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- Instruction Manual
Icom IC-M302 Instruction Manual
Summary of IC-M302
Page 1
Instruction manual im302 vhf marine transceiver new2001 !Ic-m302-1.Qxd 03.10.27 9:06 am page 1 (1,1).
Page 2: D Features
I new2001 foreword thank you for purchasing this icom product. The ic- m302 vhf marine transceiver is designed and built with icom’s state of the art technology and craftsman- ship. With proper care, this product should provide you with years of trouble-free operation. We want to take a couple of mo...
Page 3
Ii in case of emergency if your vessel requires assistance, contact other vessels and the coast guard by sending a distress call on channel 16. Or, transmit your distress call using digital selective calling on channel 70. Note a warning sticker is supplied with the transceiver. To comply with fcc r...
Page 4
Iii new2001 radio operator warning icom requires the radio operator to meet the fcc requirements for radio frequency expo- sure.An omnidirectional antenna with gain not greater than 9 dbi must be mounted a minimum of 5 meters (measured from the lowest point of the antenna) vertically above the main ...
Page 5
Iv new2001 foreword ………………………… i important ………………………… i explicit definitions …………… i in case of emergency ……… ii note ………………………………… ii radio operator warning … iii table of contents …………… iv precaution ……………………… v 1 operating rules …………… 1 2 panel description ……… 2–5 ■ front panel …………………… 2 ■ funct...
Page 6
V new2001 precaution rwarning! Never connect the transceiver to an ac outlet. This may pose a fire hazard or result in an electric shock. Caution: changes or modifications to this device, not ex- pressly approved by icom inc., could void your authority to operate this device under fcc regulations. N...
Page 7: Operating Rules
1 1 operating rules 1 d d priorities • read all rules and regulations pertaining to priorities and keep an up-to-date copy handy. Safety and distress calls take priority over all others. • you must monitor channel 16 when you are not operating on another channel. • false or fraudulent distress signa...
Page 8: Panel Description
2 panel description new2001 2 ■ front panel q channel/weather channel key [ch/wx• dual ] ➥ toggles between regular channels and weather chan- nel when pushed momentarily. (p. 7) ➥ starts dualwatch or tri-watch when pushed for 1 sec. (p. 11) ➥ stops dualwatch or tri-watch when either is activated. W ...
Page 9
3 2 panel description new2001 2 u scan key [scan• tag ] ➥ starts and stops normal or priority scan. ➥ sets or clears the displayed channel as a tag (scanned) channel when pushed for 1 sec. ➥ while pushing [hi/lo] on the microphone, push for 3 sec. To clear or set all tag channels in the selected cha...
Page 10: ■ Function Display
4 2 panel description new2001 ■ function display q transmit indicator (p. 8) “ ” appears while transmitting. W busy indicator (p. 8) “ ” appears when receiving a signal or when the squelch opens. E channel number readout ➥ indicates the selected operating channel number. • “ ” appears when a simplex...
Page 11: ■ Microphone
5 2 panel description new2001 2 ■ microphone q ptt switch [ptt] push and hold to transmit; release to receive. (p. 8) w channel up/down keys [y y]/[z z] push either key to change the operating memory channel, set mode settings, etc. (pgs. 6, 7, 28) e transmit power key [hi/lo] ➥ toggles power high a...
Page 12: Basic Operation
6 basic operation new2001 3 ■ channel selection ï ï channel 16 channel 16 is the distress and safety channel. It is used for establishing initial contact with another station and for emer- gency communications. Channel 16 is monitored during both dualwatch and tri-watch. While standing by, you must ...
Page 13
7 3 basic operation new2001 3 ï ï u.S.A.,canadian and international channels there are 57 u.S.A., 61 canadian and 57 international chan- nels. These channel groups may be specified for the operat- ing area. Q push [ch/wx• dual ] to select a regular channel. • if a weather channel appears, push [ch/w...
Page 14
8 3 basic operation new2001 ■ receiving and transmitting caution: transmitting without an antenna may dam- age the transceiver. Q rotate [vol] to turn power on. W set the audio and squelch levels. ➥ rotate [sql] fully counterclockwise in advance. ➥ rotate [vol] to adjust the audio output level. ➥ ro...
Page 15
9 3 basic operation new2001 3 ■ call channel programming call channel is used to select channel 9 (default), however, you can program the call channel with your most often-used channels in each channel group for quick recall. Q push both [y] and [z] on the transceiver one or more times to select the...
Page 16: ■ Channel Comments
10 3 basic operation new2001 ■ channel comments memory channels can be labeled with alphanumeric com- ments of up to 10 characters each. More than 6 characters comment scrolls automatically at the channel comment indicator after the channel selection. Capital letters, small letters (except f, j, p, ...
Page 17: Dualwatch/tri-Watch
11 4 dualwatch/tri-watch 3 4 ■ description dualwatch monitors channel 16 while you are receiving another channel; tri-watch monitors channel 16 and the call channel while receiving another channel. ■ operation q select dualwatch or tri-watch in set mode. (p. 29) w select the desired operating channe...
Page 18: Scan Operation
12 scan operation new2001 5 ■ scan types scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has priority scan and normal scan. When the weather alert function is in use, the selected weather channel is checked while scanning. (p. 29) set the tag chann...
Page 19: ■ Setting Tag Channels
13 5 scan operation new2001 5 ■ setting tag channels for more efficient scanning, add desired channels as tag channels or clear the tag for unwanted channels. Channels are not tagged will be skipped during scanning. Tag channels can be assigned to each channel group (usa, int, can) independently. Q ...
Page 20: Dsc Operation
14 dsc operation new2001 6 ■ mmsi code programming the 9-digit mmsi (maritime mobile service identity: dsc self id) code can be programmed at power on. This function is not available when the mmsi code has been programmed by the dealer. This code programming can be performed only twice. Q turn power...
Page 21: ■ Dsc Individual Id
15 6 dsc operation new2001 6 ■ dsc individual id a total of 30 dsc address ids (9-digit) can be programmed and named with up to 5 characters. D programming address id/group id q push [dsc• pos ] to enter the dsc menu. W push [y] or [z] to select “ ,” and push [dsc• pos ]. E push [y] or [z] to select...
Page 22: ■ Position Indication
16 6 dsc operation new2001 d deleting address id/group id q push [dsc• pos ] to enter the dsc menu. W push [y] or [z] to select “ ” and push [dsc• pos ]. E push [y] or [z] to select “ ”, then push [dsc• pos ]. • when no address id is programmed, “ ” is displayed. R push [y] or [z] to select the desi...
Page 23: ■ Distress Call
17 6 dsc operation new2001 6 ■ distress call a distress call should be transmitted, if in the opinion of the master, the ship or a person is in distress and requires imme- diate assistance. Never use the distress call when your ship or a person is not in an emergency. A distress call can be used onl...
Page 24: ■ Transmitting Dsc Calls
18 6 dsc operation new2001 ■ transmitting dsc calls d transmitting individual call the individual call function allows you to transmit a dsc sig- nal to a specific ship only. Q push [dsc• pos ] to enter the dsc menu. • “ ” scrolls at the channel comment indicator. W push [dsc• pos ] and select the d...
Page 25
19 6 dsc operation new2001 6 t after transmitting the individual call, stands by on channel 70 until an acknowledgement is received. • “ ” scrolls at the channel comment indicator. Y when the acknowledgement (‘able to comply’) is received, the specified channel (in step e) is selected with beeps aut...
Page 26
20 6 dsc operation new2001 r push [dsc• pos ] to enter selected individual call acknowl- edgement. • “ ” appears at the channel comment indicator. T push [dsc• pos ] to transmit the acknowledgement to the station. Y after the individual acknowledgement has been transmit- ted, the display changes to ...
Page 27
21 6 dsc operation new2001 6 r push [y] or [z] to select the desired intership channel, and push [dsc• pos ]. • channel 70 is selected and “ ” appears. T push [dsc• pos ] to transmit the group call. • if channel 70 is busy, the transceiver stands by until the channel becomes clear. • routine categor...
Page 28
22 6 dsc operation new2001 d transmitting all ships call large ships use channel 70 as their ‘listening channel.’ when you want to announce a message to these ships, use the ‘all ships call’ function. Q push [dsc• pos ] to enter the dsc menu. W push [y] or [z] to select “ .” e push [dsc• pos ] to en...
Page 29
23 6 dsc operation new2001 6 d transmitting position request call transmit a position request call when you want to know a specified ship’s current position, etc. Q push [dsc• pos ] to enter the dsc menu. W push [y] or [z] to select “ ,” and push [dsc• pos ]. E push [y] or [z] to select the desired ...
Page 30
24 6 dsc operation new2001 d transmitting position report call transmit a position report call when you want to announce your own position to a specific ship and to get an answer, etc. Q push [dsc• pos ] to enter the dsc menu. W push [y] or [z] to select “ ,” and push [dsc• pos ]. E push [y] or [z] ...
Page 31: ■ Receiving Dsc Calls
25 6 dsc operation new2001 6 ■ receiving dsc calls d receiving a distress call while monitoring channel 70 and a distress call is received: ➥ the emergency alarm sounds for 2 minutes. • push any key to stop the alarm. ➥ “dsc” appears and “ ” scrolls at the chan- nel comment indicator, then channel 1...
Page 32
26 6 dsc operation new2001 d receiving a group call while monitoring channel 70 and a group call is received: ➥ the emergency alarm or beeps sound depending on the received category. ➥ “ ” scrolls at the channel comment indicator. ➥ push [dsc• pos ] to change to the channel specified by the calling ...
Page 33
27 6 dsc operation new2001 6 d receiving a position request call while monitoring channel 70 and a position request call is received: ➥ “ ” scrolls at the channel comment indi- cator. ➥ push [dsc• pos ] to reply to the position request call; push any other key to ignore the position request call. D ...
Page 34: Set Mode
28 set mode new2001 7 ■ set mode programming set mode is used to change the conditions of the trans- ceiver’s functions: scan type (normal or priority,) scan re- sume timer, weather alert, dual/tri-watch, dsc watch, trans- ceiver’s beep tone and auto ack. Available functions may differ depending on ...
Page 35: ■ Set Mode Items
29 7 set mode new2001 7 ■ set mode items d scan type the transceiver has 2 scan types: normal scan and priority scan. Normal scan searches all tag channels in the selected channel group. Priority scan searches all tag channels in se- quence while monitoring channel 16. D d scan resume timer the scan...
Page 36
30 7 set mode new2001 d d dsc watch dsc watch monitors channel 70 while you are receiving an- other channel. If a distress signal is received on channel 70, the transceiver monitors channel 16 and 70 alternately until the distress sig- nal disappears. If a signal is received on another channel, dsc ...
Page 37: Connections And Maintenance
31 8 connections and maintenance 7 8 ■ supplied accessories the following accessories are supplied: qty. Q mounting bracket ………………………………………… 1 w dc power cable (opc-891) ……………………………… 1 e microphone hanger ……………………………………… 1 r knob bolts for mounting bracket ………………………… 2 t mounting screws (5 × 20) ………...
Page 38: ■ Connections
32 8 connections and maintenance new2001 ■ connections q gps receiver lead connects to a gps receiver for position indication. • an nmea0183 ver. 2.0 or 3.01 (sentence formatters rmc, gga, gns, gll) compatible gps receiver is required. Ask your dealer about suitable gps receivers. W external speaker...
Page 39
33 8 connections and maintenance new2001 8 ■ mounting the transceiver ï ï using the supplied mounting bracket the universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting. • mount the transceiver securely with the 2 supplied screws (5 × 20) to a surface which i...
Page 40
34 8 connections and maintenance new2001 ■ optional mb-69 installation an optional mb-69 flush mount is available for mounting the transceiver to a flat surface such as an instrument panel. Caution: keep the transceiver and microphone at least 1 meter away from your vessel’s magnetic navigation com-...
Page 41: Troubleshooting
35 9 troubleshooting 8 9 problem possible cause solution ref. No sound from speaker. • squelch level is too high. • volume level is too low. • speaker has been exposed to water. P. 8 p. 8 — • set squelch to the threshold point. • set [vol] to a suitable level. • drain water from the speaker. The tra...
Page 42: Channel List
36 channel list new2001 10 channel number usa can transmit receive 01 156.050 160.650 01a 156.050 156.050 02 156.100 160.700 03 156.150 160.750 03a 156.150 156.150 156.200 160.800 04a 156.200 156.200 156.250 160.850 05a 05a 156.250 156.250 06 06 156.300 156.300 156.350 160.950 07a 07a 156.350 156.35...
Page 43: Specifications
37 11 specifications 10 11 ■ specifications ï ï general • frequency coverage : transmit 156.025–157.425 mhz receive 156.050–163.275 mhz • mode : fm (16k0g3e) dsc(16k0g2b) • channel spacing : 25 khz • current drain (at 13.8 v) : tx high 5.5 a max. Max. Audio 1.5 a max. • power supply requirement : 13...
Page 44: ■ Dimensions
38 11 specifications new2001 ■ dimensions 51 (2) unit: mm (inch) 137 (5 13 32 ) 132 (5 3 16 ) 153 (6 1 32 ) 67 (2 5 8 ) 30.7 (1 7 32 ) 86.3 (3 13 32 ) !Ic-m302-1.Qxd 03.10.27 9:07 am page 38 (1,1).
Page 45: Mb-69 Template
39 12 mb-69 template 11 12 unit: mm (inch) 153 (6 1 32 ) 139 (5 15 32 ) 67 (2 5 8 ) 53 (2 3 32 ) cut here !Ic-m302-1.Qxd 03.10.27 9:07 am page 39 (1,1).
Page 46
40 new2001 !Ic-m302-1.Qxd 03.10.27 9:07 am page 40 (1,1).
Page 47: Options
41 13 options 13 • mb-69 flush mount for mounting the transceiver to a panel. • mb-92 dust cover for attaching the front panel of the transceiver to protect it when not in use. !Ic-m302-1.Qxd 03.10.27 9:07 am page 41 (1,1).
Page 48
1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-6308d-1us-q printed in japan © 2003 icom inc. New2001 !Ic-m302-1.Qxd 03.10.27 9:07 am page 42 (1,1).