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  4. LTR-Net 002-9803-601
  5. Operating Manual

E.F. Johnson Company LTR-Net 002-9803-601 Operating Manual

Manual is about: Trunked Mobile Radio

Summary of LTR-Net 002-9803-601

  • Page 1

    Ltr-net™ operating manual 9800 series trunked mobile radio 98x3/98x6 ltr-net™ mobile.

  • Page 3

    Land mobile product warranty - the manufacturer’s warranty statement for this product is available from your product supplier or from efjohnson, 299 johnson avenue, box 1249, waseca, mn 56093-0514. Phone (507) 835-6222. Copyright© 1999 by the e.F. Johnson company e.F. Johnson company, which was foun...

  • Page 4: Safety Information

    Safety information 4 safety information the fcc has adopted a safety standard for human exposure to rf energy. Proper operation of this radio under normal condi- tions results in user exposure to rf energy below the occupa- tional safety and health act and federal communication commission limits. Wa...

  • Page 5: Fcc Exposure Limits

    Safety information 5 fcc exposure limits this mobile radio transceiver was tested by the manufacturer with an appropriate antenna in order to verify compliance with maximum permissible exposure (mpe) limits set under section 2.1091 of the fcc rules and regulations. The guidelines used in the evaluat...

  • Page 6

    Safety information 6 figure 2 lists the antenna whips and bases recommended for use in each frequency range. Each model of this radio was tested with the appropriate antenna listed. The antenna was mounted in the center of the roof of a domestic manufactured 4-door passenger sedan. The radio manufac...

  • Page 7: Table Of Contents

    Table of contents 7 table of contents safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 quick reference guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 8

    Table of contents 8 placing telephone calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 receiving a telephone call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 landside-originate telephone calls . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 9: Quick Reference Guide

    Quick reference guide 9 quick reference guide power on/off - press on-off /volume control. Set volume level - rotate on-off/volume control. Change system or group - press select switch to enable system or group select mode (indicated by ←/→ or __). Then rotate select switch to select desired system ...

  • Page 10: Features

    Features 10 features general features • up to approximately 99 systems with up to 99 groups each • ltr-net™, ltr®, and conventional operation • unique 8-character system and group identification tags • system and group scan • user programmable system and group scan lists • menu mode to control vario...

  • Page 11: Controls And Display

    Controls and display 11 controls and display front panel controls on-off volume - pressing this knob turns power on and off. The vehicle ignition switch may also control power as described in “power turn-off delay” on page 24. Rotating this knob sets the speaker volume (see page 15). Select switch -...

  • Page 12

    Controls and display 12 a/d - scan list add/delete (see page 38) bank - bank select (see page 20) emer - emergency switch (see page 21) encpt - encryption select (see page 21) fcn - function select (see following description) home - select home system/group (see page 22) (menu) - menu mode select (s...

  • Page 13

    Controls and display 13 rear panel jacks and connectors antenna jack - miniature uhf jack for connecting the 50-ohm antenna. Power jack - connection point for the power cable which attaches to the vehicle battery. A nominal 12-volt dc, negative ground power source is required. Speaker jack - connect...

  • Page 14

    Controls and display 14 display description 16-character message area - indicates the selected system and group (see page 16) and also error conditions and status information. - indicates that the displayed system is in the scan list and scanned normally (see page 38). - indicates that the displayed...

  • Page 15: General Operation

    General operation 15 - indicates that an option controlled by the aux switch or option menu parameter is enabled (see page 24). - indicates that a call has been received on a group programmed for a call indicator (see page 21). To turn this indication off, press any key. - indicates that the monitor...

  • Page 16

    General operation 16 backlight operation the display and keypad backlight can be controlled by the backlgt menu parameter (see page 33). The three states that can be selected are bright, dim, and off. If this menu parameter is not select- able, the backlight is fixed in one of these states by progra...

  • Page 17

    General operation 17 selecting the system and group the front panel select switch is used to change the system and group. Pressing this switch toggles between the system and group select modes, and rotating it increases or decreases the system or group. In the numeric display mode (see preceding des...

  • Page 18

    General operation 18 the current mode remains selected until the menu mode is selected or transceiver power is cycled. The programmed default mode is then selected if applicable. Setting squelch control note: this sets the squelch level used for conventional calls. The squelch level for ltr-net and ...

  • Page 19

    General operation 19 ning (see page 35) or enable conventional channel monitoring (see page 44). Ltr-net, ltr, and conventional operation introduction each selectable system can be programmed for ltr-net, ltr, or conventional operation. The type of operation that is programmed is determined by the r...

  • Page 20: General Features

    General features 20 conventional operation in the conventional mode, selecting a system selects a specific radio channel, and selecting a group selects the special call guard squelch coding (if used) and other unique channel parameters such as call indicator operation. The call guard coding determin...

  • Page 21

    General features 21 call indicator the call indicator is “ c ” in the upper part of the display (see following illustration). The purpose of this indication is to show that a call was received while you were away from the vehicle. Indi- vidual groups can be programmed for this feature and it then tu...

  • Page 22

    General features 22 parameter or option switch is not available, encryption may be fixed in the enabled mode by programming. When encryption is enabled, is indicated in the upper part of the display (see page 14). To transmit an encrypted call, encryption must be enabled as just described and the se...

  • Page 23

    General features 23 home option switch if it is programmed. The home system/group is then displayed and it becomes the selected system/group. If no home system/group or fcn or home option switch has been programmed, this function is not available. A different home system/ group can be programmed for...

  • Page 24

    General features 24 auto off/on mode ignition switch - the horn alert always turns off when the ignition switch is turned on, and always turns on when the ignition switch is turned off (if there is a turn-off delay). Power switch - the horn alert always reverts to the off condition when power is tur...

  • Page 25

    General features 25 proceed (clear-to-talk) tone this is a short tone that sounds shortly after the ptt switch is pressed to indicate that the radio system has been accessed and speaking can begin. The transceiver can be programmed so that this tone sounds on ltr-net and ltr systems but not conventi...

  • Page 26

    General features 26 stealth mode the stealth mode disables the following tones and indicators so that they do not reveal that you are transmitting or otherwise indicate your presence. The speaker audio and display remain enabled in this mode. • all tones (see “tone select” on page 26) • the front pa...

  • Page 27: Standard Group Calls

    Standard group calls 27 silent - all tones are disabled. Keys - only the select switch and key press tones are enabled. Alerts - all tones except the preceding key beep tones are enabled. All - both the key beep and alert tones are enabled. Transmitter thermal foldback if the transmitter temperature...

  • Page 28

    Standard group calls 28 4. Press (and hold) the microphone ptt (push-to-talk) switch to talk and release it to listen. Operation with ltr-net, ltr, and conven- tional calls is as follows: ltr-net and ltr operation • if the proceed tone is enabled (see page 25), it sounds shortly after the ptt switch...

  • Page 29: Telephone Calls

    Telephone calls 29 not indicate that the radio system has been successfully accessed. 5. When the call is complete, place the microphone back on-hook. Receiving a standard group call 1. Select or scan the system and group programmed for the call you want to receive (see page 35 for scan information)...

  • Page 30

    Telephone calls 30 quickly select the telephone group in the current system, press the tel option switch as described on page 41. When a group programmed for telephone calls is selected, is displayed. 2. To obtain the dial tone, briefly press the ptt switch. If the proceed tone is used (see page 25)...

  • Page 31: Ltr-Net Auxiliary Calls

    Ltr-net auxiliary calls 31 2. When “ringing” is heard, press the ptt switch and respond. The ptt switch must be pressed to talk and released to listen the same as with standard calls. 3. When the call is finished, it should be terminated as in step 6 of the preceding section. Landside-originate tele...

  • Page 32

    Ltr-net auxiliary calls 32 placing ltr-net auxiliary calls 1. Select the ltr-net system and group programmed for auxiliary calls. When a group programmed for these calls is selected, is indicated in the upper part of the display. The group alpha tag displayed on the lower line may also indicate when...

  • Page 33: Option Switches And

    Option switches and menu mode 33 selected. To receive a directed group call, the group of the call may need to be selected or scanned. A unique id call is indicated by a “ringing” tone similar to telephone calls, and a directed group call is indicated by the caller’s voice the same as with standard ...

  • Page 34

    Option switches and menu mode 34 table. Some parameters may not be displayed because they are not used or are in a fixed state or controlled by an option switch. Calls cannot be received or transmitted while the menu mode is selected. Menu mode and option switch functions function menu items option ...

  • Page 35: System and Group Scanning

    System and group scanning 35 using menu mode 1. To select the menu mode, press the menu switch or fcn fcn (the fcn switch twice). The top line of the display indicates the func- tion being edited, and the bottom line indicates the current status of that function (see following illustration). 2. To d...

  • Page 36

    System and group scanning 36 message is received. Shortly after the message is complete, scanning resumes (unless it has been disabled). Scanning is sequential through the programmed systems and groups. System and group scanning operate as follows: system scanning - detects calls on all systems that...

  • Page 37

    System and group scanning 37 scan types the type of scanning selected is determined by the menu mode scn type parameter (see page 33). If it is not selectable, the type of scanning is fixed by programming. The available scan types are as follows. Systems - both system and group groups - group scanni...

  • Page 38

    System and group scanning 38 ltr and conventional mode scanning when an ltr or conventional system is selected with system scanning enabled and roaming disabled, scanning is sequential through only the ltr and conventional systems in the scan list (ltr-net systems are not scanned). If roaming is ena...

  • Page 39

    System and group scanning 39 saving scan list if the menu mode scn save parameter is available, you can select if scan list changes are saved. If “on” is selected, changes are saved as they are made and the scan list is the same when power is turned on. Conversely, if “off” is selected, they are not...

  • Page 40: Ltr-Net And Ltr Features

    Ltr-net and ltr features 40 last selected - transmissions always occur on the system/group that was last selected by the select switch. Therefore, the display may not indicate the system/group on which a response occurs. To respond to a call not on the selected system/group, first select the system/...

  • Page 41

    Ltr-net and ltr features 41 again. However, you may want to wait a few seconds before making another attempt because a timer must time out before another attempt will be successful. A similar transmit disable on busy feature is available on conventional systems (see page 46). Calls on priority id co...

  • Page 42: Ltr-Net Features

    Ltr-net features 42 ltr-net features note: other ltr-net features are described starting on page 40. Ltr-net standard and special calls the ltr-net special and auxiliary calls are shown below. Refer to the descriptions which follow for more information. Standard group calls - standard group calls ar...

  • Page 43

    Ltr-net features 43 roaming ltr-net radio localities (sites) can be linked together to provide wide area coverage. Then as you travel from locality to locality with roaming enabled, calls are automatically routed to your current location. Both standard group and special calls may be routed to other ...

  • Page 44: Ltr Features

    Ltr features 44 ltr features note: other ltr features are described starting on page 40. Standard group calls standard group calls are between two mobiles or between a mobile and a control station. To place these calls in the ltr or ltr- net mode, simply select the desired group and press the ptt sw...

  • Page 45

    Conventional features 45 busy indicator if the group is not automatically monitored as just described, it must be monitored manually. The simplest way to do this may be to note if a busy condition is indicated by the front panel multi-function indicator (see page 11). With scanning disabled and the ...

  • Page 46

    Conventional features 46 a conventional system must be selected to enable monitoring. If the microphone is taken off-hook with an ltr-net or ltr system selected, scanning halts (unless off-hook detection is disabled) but monitoring is not selected. Transmit disable on busy the transmit disable on bu...

  • Page 47: Miscellaneous

    Miscellaneous 47 talk-around is then automatically selected when one of these groups is selected. There is no special talk-around option switch or indicator. However, the group alpha tag on the lower line of the display may be used to indicate groups programmed for this feature. Talk-around is not a...

  • Page 48

    Miscellaneous 48 intercept tone this is a siren-like tone (alternating high and low tones) which indicates the following no access and error conditions: • no access - if this tone sounds shortly after pressing the ptt switch and “no acces” is displayed, the radio system could not be accessed, perhap...

  • Page 49

    Miscellaneous 49 error tone -this is a two-pitch tone that indicates that an error condi- tion has occurred. Ltr-net special call tones the following tones are generated by the ltr-net equipment and are heard when making a telephone, unique id, or directed group special call on an ltr-net system. Co...

  • Page 50

    Miscellaneous 50 conversation time-out tone - calls are limited to a certain length by the system. Thirty seconds before this time is reached, a “tick” begins sounding each second. When the 30-second time expires, the call is automatically terminated by the system. Turn-around tone - this is a singl...

  • Page 51

    Miscellaneous 51 power is turned on. This number indicates such things as frequency band, power output, and tier of the transceiver. The eighth digit is reserved and always “0”. No acces - indicates that the radio system could not be accessed, perhaps because of an out-of-range condition. Refer to “...

  • Page 52

    Miscellaneous 52 timeout - indicates that the transmitter has been disabled by the time-out timer (see page 26). Tx disbl - indicates that the transmitter has been disabled because the selected group is receive-only (see page 25). Tx inhib - indicates that the transmitter has been disabled by the tr...

  • Page 53

    Miscellaneous 53 scn save - scan list save • on = save, off = not saved scn type - selects type of scanning • system - both system and group • groups - group scanning only • off - all scanning disabled s/g displ - system/group display mode • alpha • numeric stealth - stealth mode select • on or off ...

  • Page 54

    Miscellaneous 54 speak and released as soon as the message is complete. If the proceed tone is used, wait for that tone to sound before speaking (see description on page 25). Operation at extended range when approaching the limits of radio range, the other party may not be able to hear your transmis...

  • Page 55

    Miscellaneous 55 transceiver service if your transceiver is not operating properly, “out-lock”, “prog err”, “sleeping”, or “call svc” may be displayed. It may be possible to clear either of the first two conditions by turning off and then on again to reset the control logic. Also make sure that the ...

  • Page 56

    Miscellaneous 56 part no. 002-9803-601 11-99hph printed in u.S.A..