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3M C960 Service Information

Manual is about: Headset Intercom System

Summary of C960

  • Page 1

    Model c960 headset intercom system service information food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. Copyright e 3m ipc. All rights reserved. 78-6912-0673-0 rev c.

  • Page 2: Revision History

    Model c960 headset intercom system revision history e 3m 2000 may a this manual was published in september, 1997 at revision level a. Some portions of this manual are also published separately. The publishing dates for the front matter, individual sections, and separately-published documents are as ...

  • Page 3: Revision History

    Model c960 headset intercom system revision history b e 3m 2000 may (blank page).

  • Page 4: Table Of Contents

    Model c960 headset intercom system table of contents i e 3m 2000 may section 1. Operation and diagrams introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System components 1-1 . . . . . . . . . . . . ...

  • Page 5: Table Of Contents

    Model c960 headset intercom system table of contents ii e 3m 2000 may base station configuration jumpers and switches 1-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Base station and external components diagram 1-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 6: Table Of Contents

    Model c960 headset intercom system table of contents iii e 3m 2000 may section 5. Operating and installation instructions model a121 noise reduction module, 78-6912-0699-- 5 model a125 noise reduction module, 78-- 6912-- 0723-- 3 models a200 and a201 loop detector , 78-- 6912-- 0712-- 6 model a300 a...

  • Page 7: Table Of Contents

    Model c960 headset intercom system table of contents iv e 3m 2000 may (blank page).

  • Page 8: Operationanddiagrams

    Model c960 headset intercom system operationanddiagrams 1-1 e 3m 2000 may introduction the 3m model c960 headset intercom system is a wireless intercom system designedfor highreliability, compactness, and ease of service. It is designed to provide two-way, radio-frequency audio communication in quic...

  • Page 9: Operation And Diagrams

    Model c960 headset intercom system operation and diagrams 1-2 e 3m 2000 may single-lane standard communication system this system provides standard communication (talk/listen) for facilities that have one menu sign. It consists of one base station and one or more headsets and battery chargers. Dual-...

  • Page 10: Operationanddiagrams

    Model c960 headset intercom system operationanddiagrams 1-3 e 3m 2000 may the headset receives microphone audio signals from the base station on frequency b and transmits both audio signals and control tones on frequency a. The control tones are above the audible range, and function to turn the base...

  • Page 11: Operation And Diagrams

    Model c960 headset intercom system operation and diagrams 1-4 e 3m 2000 may menu sign to headset when the customer at the menu sign speaks, audio is detected by a microphone and sent through wire tothe transmitter and the monitor amplifier in the base station. The transmitter transmits the microphon...

  • Page 12: Operationanddiagrams

    Model c960 headset intercom system operationanddiagrams 1-5 e 3m 2000 may s rechargeable battery s headband s microphone boom assembly s speaker assembly rechargeable battery the nickel metal hydride battery provides dc power for the headset circuitry. Headband the headband consists oftwo interlocki...

  • Page 13: Operation And Diagrams

    Model c960 headset intercom system operation and diagrams 1-6 e 3m 2000 may base station n note receiver/transmitter and logic circuitry contained in the c960 headset intercom base station is both proprietary and non-field repairable. For this reason, the accompanying base station diagram provides n...

  • Page 14: Operationanddiagrams

    Model c960 headset intercom system operationanddiagrams 1-7 e 3m 2000 may n note the vehicle detect pulse/presence jumper j4 must be set appropriately and its setting programmed into the base station logic for correct vehicle detection and alert tones to occur.For further explanation of vehicle dete...

  • Page 15: Operation And Diagrams

    Model c960 headset intercom system operation and diagrams 1-8 e 3m 2000 may changed, you must press the base station reset switch to program the new jumper setting into the base station microprocessor. N note when jumper j5 is changed, you must also reprogram the system headsets. Refer to the c960 i...

  • Page 16

    Model c 960 h eadset intercom system operation and d iagram s 1- 9 e 3m 2000 may base station and external components diagram.

  • Page 17

    Model c 960 headset intercom system operation and d iagram s 1- 10 e 3m 2000 may (blank page).

  • Page 18: Operationanddiagrams

    Model c960 headset intercom system operationanddiagrams 1-11 e 3m 2000 may interconnect module an interconnect module is needed when a c960 headset intercom system includes an auxiliary intercom to providecontinued communicationswhen the primary intercom needs service. The auxiliary intercom may be ...

  • Page 19: Operation And Diagrams

    Model c960 headset intercom system operation and diagrams 1-12 e 3m 2000 may (blank page).

  • Page 20

    Model c 960 h eadset intercom system operation and d iagram s 1- 13 e 3m 2000 may inter connect module d iagram.

  • Page 21

    Model c 960 h eadset intercom system operation and d iagram s 1- 14 e 3m 2000 may (blank page).

  • Page 22: Headset Intercom Systems

    Headset intercom systems model c960/c860 installation instructions.

  • Page 24: Table of Contents

    I table of contents typical single lane installation............................................................................................................ 1 battery charger ............................................................................................................................

  • Page 25

    Ii illustrations figure 1. Typical installation............................................................................................................... 1 figure 2. Battery chargers (3–slot and 6–slot versions)....................................................................... 2 figure 3. ...

  • Page 26: Important

    1 typical single lane installation figure 1. Typical installation material required (not supplied) • 3/4–inch conduit (metal or plastic) – 2 pieces 4–5 feet in length • conduit clamps • assortment of sheet metal screws • two sets of 18–gauge, twisted–pair (two wires each set) audio cable, sufficient...

  • Page 27: Battery Charger

    2 battery charger install the battery charger and begin charging the batteries before you install any other components. Install the battery charger in a clean, dry environment. An office location is best. The battery charger may be placed on a flat surface such as a table, desk, etc., or it can be f...

  • Page 28: Base Station

    3 speaker and microphone assemblies standard systems for standard systems, install the deluxe 5–inch speaker and microphone assembly, part number 78–6911– 1545–1. Refer to the installation instructions packaged with the assembly. Duplex systems for duplex systems, install the 3.5–inch duplex microph...

  • Page 29

    4 interconnect module (optional) 1. Install the interconnect module in an “out of the way” location, near the wiring for the auxiliary intercom, vehicle detector, etc. (under a counter is desirable.) 2. To fasten the interconnect module in position: a. Remove the backing from the adhesive hook and l...

  • Page 30: Important

    5 connecting the base station directly to components if an interconnect module is not used, connect the components (vehicle detector, speaker/microphone and optional monitor speaker) directly to the base station as shown in figure 5. Use 18–20 gauge twisted pair audio wire for all connections except...

  • Page 31: Module

    6 connecting the base station to components using the optional interconnect module connect the base station to the interconnect module as shown in figure 6. Note that the connections are made to the “to control module” terminals on the interconnect module. Figure 6. Base station – interconnect modul...

  • Page 32

    7 brown yellow figure 7. Connecting components to the interconnect module.

  • Page 33

    8 connecting the auxiliary intercom (optional) *note the base station must be turned off to enable operation/use of the auxiliary intercom. 1. Connect the auxiliary intercom to the “to auxiliary intercom” terminals on the interconnect module as shown in figure 8 through figure 10 (depending on the m...

  • Page 34: Important

    9 ! Important if you use a d–30 as the auxiliary intercom, a separate monitor speaker must be provided for the model c960/c860. (both the model c960/c860 and d– 30 intercoms require separate monitor speakers.) figure 10. D–30 connections dual lane system installation a dual lane system consists of t...

  • Page 35

    10 4. Turn on both base stations and press the reset switch on each of the base station circuit boards to “read” the jumper setting into the microprocessor. 5. Select a channel for each of the base stations. (see page 14 for the channel selection procedure.) after you select the channel, press the r...

  • Page 36: Installation

    11 installation notes: both base stations must be set to the same channel number and different lane numbers. Both base stations must be at least 12 feet apart. Wiring the system figure 11. Cross-lane wiring diagram programming the headsets for cross-lane operation follow the steps below to program t...

  • Page 37: Operation

    12 2. Program the headsets for cross-lane operation • with the headset off, press and hold t1 and t2 while pressing on for 5 seconds. You will hear an acknowledging beep. • verify that the headsets are properly programmed for cross-lane operation: - press t1 and verify that the talk led lights on th...

  • Page 38

    13 2. Listening and paging in a cross lane system with the audio in and audio out wires disconnected, the t1 and t2 buttons control which menu sign to talk or listen to. They also control which headsets to page to. Disconnecting the audio in and audio out wires presents some issues if a cook or cash...

  • Page 39: Important

    14 system configurations and function jumper settings ! Important whenever a jumper setting is changed, the reset switch on the base station circuit board must be pressed to program the new jumper setting into the microprocessor. Also, each of the headsets in the system must be reprogrammed when a j...

  • Page 40

    15 duplex operation – single lane system (one base station) function jumper settings menu sign with separate speaker and microphone jumper pins 2 and 3 on jumpers j1 and j2. Lane 1 system jumper pins 1 and 2 of jumper j3. Air switch (pulse) detector jumper pins 1 and 2 of jumper j4. Or or loop/sodar...

  • Page 41: Channel Selection

    16 channel selection the model c960/c860 headset intercom system can operate on any one of eight different channels.* select a channel that neither receives or causes interference and then program the headsets to that channel using the following procedure: 1. Pull slightly outward on the lower right...

  • Page 42: Channel Selection (Cont.)

    17 channel selection (cont.) figure 13. Base station circuit board 3. With the headset/belt pack turned off, plug one end of the programming cable into the headset programming jack. 4. Plug the other end of the programming cable into the base station modular jack. 5. Turn on the headset/belt pack. (...

  • Page 43

    18 duplex systems only the following procedure sets system audio levels for duplex systems so that headset/belt pack volume controls have enough “range” to allow operators to adjust headset volume to their preference. *note the microphone at the menu sign must be located within four feet of the vehi...

  • Page 44

    19 3. Adjust the headset alert level control to provide a comfortable alert tone level in the headset (clockwise to increase; counterclockwise to decrease). Monitor speaker volume levels the monitor speaker volume levels are the levels for the various functions heard through the optional monitor spe...

  • Page 45

    20 menu sign talk volume level the menu sign talk volume level is the volume of the headset/belt pack audio heard at the menu sign. To set the menu sign talk volume level: 1. Move the day/night switch on the base station to the day position. 2. Press and hold the headset/belt pack talkswitch and spe...

  • Page 46

    21 circuit board jumpers, adjustment controls, indicators and switches figure 14. Base station circuit board jumpers j1 and j2 set for the type of menu sign in the system. Jumper pins 1 and 2 on both jumpers for menu signs having a speaker only. Jumper pins 2 and 3 on both jumpers for menu signs hav...

  • Page 47: Important

    22 ! Important after changing any jumper setting(s), be sure to press the reset switch on the base station circuit board to “read” the change into the microprocessor. Adjustment controls menu mic sens controls the volume of the menu sign audio heard in the headset. Headset alert level controls the v...

  • Page 48: Finishing Up

    23 finishing up 1. Secure any loose wires. 2. Replace the cover on the base station module. 3. Check the operation of the system. 4. Check the operation of the auxiliary intercom. 5. Perform operator training, including the following functions: • normal use and care of the system. • use and care of ...

  • Page 49

    3 food services trade department 3m center st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 1999 may 78-6912-0672-2 rev. F.

  • Page 50

    Model c960 headset intercom system replacement parts and service 3-1 e 3m 2000 may ordering replacement parts the following pages show replacement parts for the model c960aa headset intercom. Order parts by the model number, part number, part name, and quantity required. Replacement parts and their ...

  • Page 51

    Model c960 headset intercom system replacement parts and service 3-2 e 3m 2000 may section 1 - base station assembly and interconnect module.

  • Page 52

    Model c960 headset intercom system replacement parts and service 3-3 e 3m 2000 may item no. Part number description qty. 0 78-9236-6330-2 base station assembly, model c921aa (w/o power supply) 1 . . . . . . . . . . . . . . . . . . . . . . . 1 78-8095-0500-7 cabinet, base station 1 . . . . . . . . . ...

  • Page 53

    Model c960 headset intercom system replacement parts and service 3-4 e 3m 2000 may section 2 - headset assembly.

  • Page 54

    Model c960 headset intercom system replacement parts and service 3-5 e 3m 2000 may item no. Part number description qty. 0 78-6911-4492-3 headset assembly, model c920ac 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 78-8095-0525-4 outer case (with logo)...

  • Page 55

    Model c960 headset intercom system replacement parts and service 3-6 e 3m 2000 may section 3 - 3-slot battery charger assembly item no. Part number description qty. 1 78-8095-0580-9 3-slot battery charger assembly, model c923aa 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 78-8028-9283...

  • Page 56

    Model c960 headset intercom system replacement parts and service 3-7 e 3m 2000 may section 4 - 6-slot battery charger assembly item no. Part number description qty. 1 78-8095-0581-7 6-slot battery charger assembly, model c926aa 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 78-8028-9283...

  • Page 57

    Model c960 headset intercom system replacement parts and service 3-8 e 3m 2000 may replacing the headset speaker tools required: s phillips screwdriver s razor blade s small, flat-blade screwdriver (jeweler’s type) s needlenose pliers procedure: 1. Remove the ear pad as shown in figure 3-1. 2. Remov...

  • Page 58

    Model c960 headset intercom system replacement parts and service 3-9 e 3m 2000 may figure 3-2. 4. Carefully unplug the microphone and speaker connectors from the headset pwa and set the pwa aside. See figure 3-3. 5. Remove the connector terminals from the speaker connector housing as shown in figure...

  • Page 59

    Model c960 headset intercom system replacement parts and service 3-10 e 3m 2000 may figure 3-3. Figure 3-4. 6. Remove the ear cup cover from the ear cup: a. If the cover is sealed to the cup, carefully cut through the epoxy seal using a sharp razor blade. B. Carefully insert a small, flat-blade scre...

  • Page 60

    Model c960 headset intercom system replacement parts and service 3-11 e 3m 2000 may figure 3-5. Replacing the mic boom assembly tools required: s phillips screwdriver s razor blade s small, flat-blade screwdriver (jeweler’s type) s needlenose pliers procedure: 1. Remove the ear pad as shown in figur...

  • Page 61

    Model c960 headset intercom system replacement parts and service 3-12 e 3m 2000 may figure 3-6. Replacing the battery release button spring tools required: s phillips screwdriver s needlenose pliers procedure: 1. Remove the battery. See figure 3-1. 2. Remove the outer case and and the two keypads an...

  • Page 62

    Model c960 headset intercom system replacement parts and service 3-13 e 3m 2000 may figure 3-7..

  • Page 63

    Model c960 headset intercom system replacement parts and service 3-14 e 3m 2000 may (blank page).

  • Page 64: Troubleshooting Guide

    Troubleshooting guide 3mt headset intercom system, model c960 system troubleshooting to use this troubleshooting guide, locate the problem in the left column and look for the problem’s possible causes and corrections in the middle and right columns. Possible causes are listed in the order in which t...

  • Page 65

    Problem solution possible cause 2. Vehicle detectoris “lockedup.” 2. Remove power to vehicle detector for a few seconds to reset the detector. 3. The base station alert tone volume is set too low. 3. Adjust alert tone volume. 6. All headsets will not go into standby (silence) when the vehicle leaves...

  • Page 66

    Problem solution possible cause 8. No talk or listen from the menu sign when using the backup wired intercom. The c960 system works ok. 1. The base station is turned on. 2. No power to the backup intercom. 3. The volume controls are set too low on the backup intercom. 4. Defective backup intercom or...

  • Page 67

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. ã3m 1999 may 78-6912-0680-5 rev. C printed on 50% recycled waste paper, including 10% post-consumer waste paper. Battery and battery charger troubleshooting problem possible cause solution 1. No lights come on when a ...

  • Page 68

    Model c960 headset intercom system troubleshooting 4-1 e 3m 1997 september analyzing batteries the battery analyzer is used in conjunction with the battery charger to test the condition of headset batteries. The analyzer performs five tests: s discharge s cycle 1 s cycle 2 s cycle 3 s cycle 4 discha...

  • Page 69

    Model c960 headset intercom system troubleshooting 4-2 e 3m 1997 september setup procedures 1. Connect the analyzer to the battery charger. See figure 4-1. Figure 4-1. 2. Turn the battery charger on. The analyzer will run a short self-diagnostic test, displaying each segment on the analyzer lcd. Whe...

  • Page 70: Headset Intercom System

    Headset intercom system model c960 operating instructions.

  • Page 72: Table of Contents

    Model c960 table of contents 3m 1999 may i intended use..................................................................................................................................... Iii fcc information ..............................................................................................

  • Page 73: Table of Contents

    Table of contents model c960 3m 1999 may ii talk lock mode (“hands free”)............................................................................................... 12 page mode .........................................................................................................................

  • Page 74: Important Information

    Model c960 important information 3m 1999 may iii intended use the 3m headset intercom system, model c960, is designed to provide 2–way radio–frequency audio communication in quick service drive–through restaurants and convenience stores. Misuse of the model c960 could result in poor performance and/...

  • Page 75: Important Information

    Important information model c960 3m 1999 may iv (blank page).

  • Page 76: System Description

    Model c960 system description 3m 2000 may 1 the 3m model c960 headset intercom system is a wireless intercom system designed for high reliability, compactness, and ease of service. The system can be programmed to operate on any one of 16 different channels to provide high–quality audio performance a...

  • Page 77: System Description

    System description model c960 3m 2000 may 2 the number of system components and the procedures necessary to operate them vary depending on the system configuration. However, three components are common to all system configurations. The base station is the interface between the customer at the menu s...

  • Page 78: Controls and Indicators

    Model c960 controls and indicators 3m 2000 may 3 the base station controls and indicators are shown below. Figure 4. Base station controls and indicators the on/off switch controls power to the base station. This indicator lights when the on/off switch is in the on position. ü note if for some reaso...

  • Page 79: Controls and Indicators

    Controls and indicators model c960 3m 2000 may 4 the headset controls are shown below. Figure 5. Headset controls press the on switch to turn on the headset. Press the off switch to turn off the headset. Press the volume up control to increase the volume in the headset earpiece. Press the volume dow...

  • Page 80: Controls and Indicators

    Model c960 controls and indicators 3m 2000 may 5 for dual–lane systems, press and hold the t2 (talk lane 2) switch to talk to the customer at the menu sign in lane 2. Release the switch to listen. For single–lane systems, t2 can also be used to talk to lane 1. Press and hold the page switch to talk ...

  • Page 81: Controls and Indicators

    Controls and indicators model c960 3m 2000 may 6 the 3–slot and 6–slot battery charger controls are shown below. (rear view) (rear view) the charging slots hold batteries during the recharging cycle. This dual–function slot holds a battery during conditioning and recharging cycles. This slot functio...

  • Page 82: Headset Preparation

    Model c960 headset preparation 3m 2000 may 7 to prepare the headset for use, you will need to check the headset for proper fit and install the cap clip (if desired). To ensure effective operation and comfort: • adjust the headband width. • adjust the headband size. • position the ear pad and microph...

  • Page 83: Headset Preparation

    Headset preparation model c960 3m 2000 may 8 adjust the size of the 2–piece headband until the ear pad rests against one ear and the headband pads rest just above each ear. • slide the headband apart to make it larger. • push the headband together to make it smaller. Figure 7. Headband size rotate t...

  • Page 84: Headset Preparation

    Model c960 headset preparation 3m 2000 may 9 to install the cap clip: 1. Remove the side headband pad (from above the ear pad). Insert a dime in the slot on the headband pad housing and twist the dime to release the tab. See figure 9. Headband pad slot coin tab figure 9. 2. Extend the headband to ma...

  • Page 85: Headset Preparation

    Headset preparation model c960 3m 2000 may 10 4. Slide the cap clip onto the cap band just above the ear. Cap band cap clip figure 11. 5. Slide the cap clip over the inside half of the adjustable headband until it snaps into position over the headband pad mount. See figure 12. Figure 12..

  • Page 86: Operation

    Model c960 operation 3m 2000 may 11 system startup includes turning on the base station and each headset that will be used. To turn on the base station: 1. Slide the power on/off switch to the on position. Check to see that the power indicator lights. 2. Slide the volume switch to the desired positi...

  • Page 87: Operation

    Operation model c960 3m 2000 may 12 communication during off–peak hours during off–peak hours, the cross–lane module is turned on to enable a single operator to communicate with customers in either lane (1 or 2). 1. An alert tone sounds in the headset when the system detects a customer (vehicle) at ...

  • Page 88: Operation

    Model c960 operation 3m 2000 may 13 use this mode to talk to other operators who are wearing headsets without being heard by the customer at the menu sign. This mode is available with all system configurations. To page another operator, press and hold the page switch. Release the page switch to list...

  • Page 89: Operation

    Operation model c960 3m 2000 may 14 ...Then press on press and hold page switch... A b l t2 t1 off figure 14. Page switch and off switch to respond to a page, press p (page switch). To return to normal headset operation: 1. Turn the headset off. 2. Turn the headset on. When using the talk/listen mod...

  • Page 90: Maintenance

    Model c960 maintenance 3m 2000 may 15 when the battery voltage is too low, the headset sounds a short, low–volume tone at seven–second intervals to alert the operator to install a fully charged battery. The “battery voltage low tone” continues for two minutes after which the headset turns off automa...

  • Page 91: Maintenance

    Maintenance model c960 3m 2000 may 16 to replace the side headband pads: 1. Insert the edge of a dime into the slot on the headband pad housing. See figure 16. 2. Twist the dime to release the tab. Headband pad tab slot coin figure 16. To replace the center headband pad: 1. Insert the edge of a dime...

  • Page 92: Maintenance

    Model c960 maintenance 3m 2000 may 17 to replace the ear pad, remove the worn/damaged ear pad from the ear cup and replace it with a new pad. The battery charger should be placed on a flat surface such as a desktop or table in a clean, dry environment. If the indicators fail to light during charger ...

  • Page 93: Maintenance

    Maintenance model c960 3m 2000 may 18 to condition a battery: 1. Insert the battery in the charging/conditioning slot as shown in figure 19. 2. Press the conditioning button within 2 seconds after inserting the battery. The indicator lights yellow to indicate the battery is being conditioned. Condit...

  • Page 94: Maintenance

    Model c960 maintenance 3m 2000 may 19 • batteries perform best at moderate temperatures. Extremes of heat and cold reduce their performance. • an unused c960 battery loses five percent of its charge per week. Batteries that have not been used for several weeks should be recharged before use..

  • Page 95: Programming The

    Special instructions for system manager model c960 3m 2000 may 20 the headsets are factory programmed for single–lane operation to enable the operator to press either t1 or t2 to communicate with lane 1. For cross–lane systems, the headsets must also be programmed to enable communication with either...

  • Page 96: Enabling/disabling

    Model c960 special instructions for system manager 3m 2000 may 21 the talk lock feature provides hands free operation in duplex communication systems. With the talk lock feature enabled, the headset automatically switches from standby to talk/listen when a customer is detected at the menu sign. The ...

  • Page 97

    Special instructions for system manager model c960 3m 2000 may 22 the c960 system is capable of operating on any one of eight different channels. You can correct these types of interference by changing the base station operating channel. To do this: 1. Pull outward on the right side of the base stat...

  • Page 98: Changing The

    Model c960 special instructions for system manager 3m 2000 may 23 ü note when two systems are used in a cross–lane application, both base stations must be set to the same channel. 4. With the headset turned off, plug one end of the programming cable into the headset programming jack. See figure 22. ...

  • Page 99: Adjusting The

    Special instructions for system manager model c960 3m 2000 may 24 however, if local ordinances require quieter nighttime operation of the menu sign, move the volume day/night switch to the night position. If the system has an optional monitor speaker, adjust its volume using the following procedure:...

  • Page 100: Troubleshooting

    Model c960 troubleshooting 3m 2000 may 25 to use the following troubleshooting guide, locate the problem in the left column and look for the problem’s possible causes and corrections in the middle and right columns. Possible causes are listed in the order in which they are most likely to happen. Che...

  • Page 101: Troubleshooting

    Troubleshooting model c960 3m 2000 may 26 6. All headsets will not go into standby (silence) when the vehicle leaves the menu sign. 1. This is normal when a pulse (air switch) type of vehicle detector is used. 1. Press the page switch to silence the menu microphone. 2. There is a large metal object ...

  • Page 102: Troubleshooting

    Model c960 troubleshooting 3m 2000 may 27 8. No talk or listen from the menu sign when using the backup wired intercom. The c960 system works ok. 1. The base station is turned on. 2. No power to the backup intercom. 3. The volume controls are set too low on the backup intercom. 4. Defective backup i...

  • Page 103: Troubleshooting

    Troubleshooting model c960 3m 2000 may 28 battery and battery charger troubleshooting problem possible cause solution 1. No lights come on when a battery is inserted into charger. 1. Dirty contacts on battery or charger. 1. Clean contacts on battery and charger with an alcohol moistened swab. 2. No ...

  • Page 104: Troubleshooting

    Model c960 troubleshooting 3m 2000 may 29 most, if not all, c960 system service needs can be fulfilled by your local 3m dealer. If special service assistance is needed, however, or for information on how to properly dispose of your non–functional c960 rechargeable batteries, please call 1–800–328–00...

  • Page 105

    3 food services trade department 3m center st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 1999 may 78-6912-0671-4 rev. G.

  • Page 106: Installation Instructions

    1 installation instructions noise reduction module model a121 description the 3m noise reduction module (3m part number 78-9236-6403-7) improves the inbound intelligibility of an intercom system by reducing environmental background noise from vehicles, airplanes, noisy intersections, etc. Additional...

  • Page 107: Mode Configuration

    2 mode configuration the 3m noise reduction board can be configured in several different modes by setting dip switch, sw2. Following is a brief description of each mode and a dip switch setting table. Noise reduction: with sw2 number 1 on, the inbound microphone voice signal is digitized. The noise ...

  • Page 108: Final Checkout Procedure

    3 final checkout procedure 1. Turn the on/off switch of the a121 on. The red led should blink slowly. Listen for a reduction in the background noise. 2. If the a121 is in a half-duplex system, set sw2 number 2 off and proceed to step 3. If the a121 is in a full-duplex system set sw2 number 2 off. Sp...

  • Page 109

    4 figure 2. Wiring for 3m c760/c960 base station with interconnect module.

  • Page 110

    5 menu post to vehicle detector menu spkr alt alert alert out menu spkr shield mic mic audio out 3m base station menu speaker menu mic com 12v unreg veh det menu spkr menu spkr menu spkr menu spkr shld shld mic in mic out 1 2 3 4 5 5 4 3 2 1 mic out mic in menu intercom com mic in veh det mic in shl...

  • Page 111

    6 c921aa base station i n t e r c o m s p k r c o m i n t e r c o m m i c i n t e r c o m m i c m e n u s p k r i n t e r c o m s p k r 9 10 8 7 6 5 4 3 2 1 c o m m e n u m i c m e n u m i c m e n u s p k r v e h d e t + c o m m u s i c c o m _ _ _ _ _ t a l k a u d i o o u t 3 4 5 6 7 2 1 8 9 10 11...

  • Page 112

    7 panasonic wx-c510/wx-c1010 base station c com gnd ac ac h h c gnd h h c mic sp/mic sp det 12vac a121 noise reduction module menu spkr menu spkr menu spkr menu spkr shld shld mic in mic out 1 2 3 4 5 5 4 3 2 1 mic out mic in menu intercom menu post menu mic menu spkr figure 6. Wiring for panasonic ...

  • Page 113

    8 hme sys2500d/ds/dsl base station menu post 3m a121 noise reduction module intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer tri...

  • Page 114

    9 hme sys2500d/ds/dsl base station 3m a121 noise reduction module gnd ext play cancel 20 19 menu mic base spkr conn gnd (shield) base mic conn veh det in veh det out 15 14 13 12 11 16 17 10 9 8 7 6 menu mic gnd (shield) menu spkr menu spkr base mic conn white green hme mr100a message repeater menu s...

  • Page 115

    3 food services trade department 3m center, building 551-1e-02 st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 2000 may 78-6912-0699-5 rev. C.

  • Page 116: Installation Instructions

    1 installation instructions noise reduction module model a125 description the 3m a125 noise reduction board (3m part number 78-9236-6453-2) improves the inbound intelligibility of an intercom system by reducing environmental background noise from vehicles, airplanes, noisy intersections, wind, etc. ...

  • Page 117: System Configuration

    2 system configuration the a125 noise reduction board is configured by two jumper switches, (jmp1 and jmp2), shown in table 1. Jumper position position a position b jmp1 * separate microphone & speaker at menu sign/post osm (speaker used as both a speaker and a microphone at the menu sign/post) jmp2...

  • Page 118: Status Indication

    3 status indication the condition of the red led on the 3m c960 base station indicates the current status of the unit. The led can be off, blink at defined intervals, or be constantly lit. Table 3 illustrates the status indicated by the leds. Status led power off led off normal mode led blinks once ...

  • Page 119

    3 food services trade department 3m center, building 551-1e-02 st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 2000 may 78-6912-0723-3 rev. A.

  • Page 120: Installation Instructions

    1 installation instructions loop detector models a200 and a201 figure 1. A200 3m stock number figure 2. A201 3m stock number 78-9236-6456-5 78-9236-6498-7 introduction these instructions explain how to install and configure the 3m models a200 and a201 loop detectors as part of a drive-thru vehicle d...

  • Page 121: Installation

    2 installation mounting hardware for a200 (not supplied) 2 each, #6 or #8 screws 2 each, wall anchors mounting the a200 to avoid possible damage caused by moisture, mount the a200 inside the building, not in the menu sign. Choose a location near the intercom base unit and within 5 feet of a 120 vac,...

  • Page 122

    3 sensitivity and operating modes the sensitivity and operating modes are set with dip switch s1 located on the circuit board. Four levels of sensitivity can be set with s1-1 and s1-2. The delay time is set with s1-3. The operating mode is set with s1-4. Presence mode is when the relay contacts are ...

  • Page 123: Installation Diagram

    4 installation diagram outside connections inside connections 3/4" underground conduit driveway curb menu sign outside speaker/mic wireless or wired intercom 120vac 60 hz electrical outlet a200 loop detector important! Solder & insulate loop connections electrical box magnetic loop floor figure 4. T...

  • Page 124: Wiring Diagram

    3 food services trade department 3m center, building 551-1e-02 st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 2000 may 78-6912-0712-6 rev. B wiring diagram wiring the a200 connect the loop wires to terminals 1 and 2 and the ...

  • Page 125: Installation Instructions

    1 installation instructions audio greeter model a300 package contents quantity description 1 model a300 audio greeter, part no. 78-9236-6457-3 1 power supply; +12 vdc @ 800 ma, plug-in, part no. 78-8095-0976-9 1 microphone; high sensitivity electret condenser, 3.5 mm stereo plug, part no. 78-8095-09...

  • Page 126: Installation

    2 installation determining the best location for the a300 audio greeter the a300 should be mounted on a vertical wall about 60 inches high. If the user must bend over a countertop to reach the a300, then lower it to 50 inches so the user can speak directly into the on-board microphone. A quiet locat...

  • Page 127: Configuration

    3 configuration the operating modes and message delay times of the a300 are set with jumper jmp1 and dip switches sw2 and sw3 located on the circuit board. Tables 1 and 2 list the switch settings. Vehicle detect configuration jmp1 position a - position a is the default selection for most installatio...

  • Page 128

    4 menu microphone mute when sw2 number 8 is on, the inbound audio from the menu microphone will be muted while the a300 plays message(s) to the menu speaker. The message(s) can only be heard if the a300 audio out line is connected to the c760/c960 audio in line (use audio out potentiometer on a300 t...

  • Page 129

    5 additional features ______ talk - this terminal is an active low input, used to cancel the current playing message. When connected to the ______ talk output terminal on the c921ba base station, it allows the operator to remotely cancel the playing message by pressing and holding the headset or int...

  • Page 130: Installation Diagrams

    6 installation diagrams model 478da "d-15" menu post intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig menu spkr menu mic com * ve...

  • Page 131

    7 intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com ** music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig ** music add jumper wire * veh det sig j9 j10 3m a300 audio greeter 3...

  • Page 132

    8 c762aa/ba/c921aa base station menu post intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com ** music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig ** music mon spkr com audio o...

  • Page 133

    9 c921ba base station menu post intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com ** music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig ** music mon spkr com audio out alt ale...

  • Page 134

    10 intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com ** music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig ** music * veh det gnd red black shld j9 j10 3m a300 audio greeter h...

  • Page 135

    11 intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com menu mic menu mic menu spkr veh det+ com ** music com _____ talk audio out 3 4 5 6 7 2 1 8 9 10 11 12 veh det- msg4 trig com timer trig ** music det com * det h red black shld j9 j10 3m a300 audio greeter...

  • Page 136

    12 below is an example of the a300 connected to a typical intercom using an outside speaker/microphone (osm): use the appropriate vehicle detector connections to complete the installation. Intercom menu post intercom spkr com intercom mic intercom mic menu spkr intercom spkr 9 10 8 7 6 5 4 3 2 1 com...

  • Page 137

    13 714aa sodar a300 audio greeter veh det+ 8 9 veh det- j9 presence 4 3 grd note: if 714aa contains optional relay, use terminals 8 and 9. Note: if 714ba contains optional relay, use terminals 9 and 10. 714ba sodar a300 audio greeter veh det+ 8 9 veh det- j9 hi 6 5 gnd figure 9. Installing the a300 ...

  • Page 138

    3 food services trade department 3m center, building 551-1e-02 st. Paul, mn 55144-1000 printed on 50% recycled waste paper, including 10% post-consumer waste paper. Printed in u.S.A. 3m 2000 may 78-6912-0717-5 rev. C.

  • Page 139: Installation Instructions

    1 installation instructions cross-lane module 78-6911-4396-6 description: the cross-lane module allows two base stations in a dual-lane configuration to be operated by a single headset, using the dual-lane remote switch. A headset with a dual-lane remote switch can communicate with either base stati...

  • Page 140

    2 5. Connect the cables from the module to the base stations as shown in figure 1. Figure 1.

  • Page 141

    3 6. With the base stations turned off, check jumper j3 on each base station (see figure 2). One base station must be jumpered (pins 1 and 2) for lane 1 operation; the other base station must be jumpered (pins 2 and 3) for lane 2 operation. If jumper j3 is changed, turn on the base station(s) and pr...

  • Page 142

    A. Turn on the headset. (audible tones will be heard in the headset indicating that the programming is complete.) b. To identify which lane a headset is assigned to, attach the applicable lane number decal (included with each headset) as shown in figure 3. Be sure to reprogram all the headsets in th...

  • Page 143: Installation Instructions

    3m food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1995 march 78-6912-0508-8 rev. A printed on 50% recycled waste paper, including 10% post-consumer waste paper. Installation instructions headset storage rack kit 78-6911-4409-7 introduction: the headset storag...

  • Page 144: Installation Instructions

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1995 march 78-6912-0509-6 rev. A printed on 50% recycled waste paper, including 10% post-consumer waste paper. Installation instructions duplex menu cable 78-8095-0180-8 introduction: the duplex menu cable can be...

  • Page 145: Installation Instructions

    1 installation instructions 3m communications bar 78-6911-4451-9 purpose the 3m communications bar provides audio communication between the customer and store personnel in standard intercom applications and in wireless intercom face-to-face installations. The communication bar can be mounted in one ...

  • Page 146

    2 2. Determine the mounting location (speaker post or face-to-face window). 3. Position the housing, and mark the mounting holes: d for speaker post mounting, position the housing with the microphone as near to the top of the post as possible. See figure 2. D for face-to-face window mounting, positi...

  • Page 147

    3 figure 3. Face-to-face window 4. Mark the wiring hole equidistant from each mounting hole. 5. Drill the wiring and mounting holes. 6. Install the appropriate mounting anchors. 7. Route the speaker and mic cables through the wiring hole. Note the wire exit hole in the housing is sized to accept a 1...

  • Page 148

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1996 july 78-6912-0581-5 rev. B printed on 50% recycled waste paper, including 10% post-consumer waste paper. 10. Using wire nuts, connect the attenuators to the microphone line at the base station end of the mic...

  • Page 149: Installation Instructions

    1 installation instructions five-inch speaker and mic assembly 78-6911-1545-1 introduction the speaker and mic assembly consists of a five-inch, water-resistant, eight-ohm cone speaker, a special weather-resistant dynamic microphone and a mounting bracket for easy mounting in menu signs, speaker pos...

  • Page 150

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1996 april 78-8050-8497-3 rev. D printed on 50% recycled waste paper, including 10% post-consumer waste paper. Mounting procedure 1. Mount the speaker and microphone assembly inside the menu sign, communication p...

  • Page 151: Installation Instructions

    1 installation instructions model c760aa/c960aa headset intercom system 3.5-inch duplex microphone (78-6911-4476-6) microphone installation instructions 1. Determine the type of speaker post and cut the microphone shield to the required size. Determine the microphone shield dimensions for the type o...

  • Page 152

    2 5. Connect the attenuators to the microphone line. Using wire nuts, connect the attenuators to the microphone line at the base station end of the mic cable. See figure 2. 6. Check the system for correct operation. Determine the type of intercom system, and ad- just the speaker and microphone accor...

  • Page 153

    3 figure 2. Attenuator connections.

  • Page 154

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1996 june 78-6912-0596-3 rev. C printed on 50% recycled waste paper, including 10% post-consumer waste paper..

  • Page 155: Installation Instructions

    1 installation instructions 5-inch duplex speaker assembly 78-6911-4411-3 introduction: these instructions describe the installation of a 5-inch duplex speaker assembly in an existing menu sign or speaker post. Please review these instructions before you begin the installation. The instructions prov...

  • Page 156

    2 figure 1. Typical installation on a speaker post.

  • Page 157

    3 figure 2. Speaker mounting template.

  • Page 158

    Food services trade department 3m center st. Paul, mn 55144-1000 printed in u.S.A. E 3m 1999 april 78-6912-0530-2/rev . C printed on 50% recycled waste paper, including 10% post-consumer waste paper. Align speaker to top edge of bevel centered under microphone grille figure 3. Typical installation o...