- DL manuals
- Icom
- Transceiver
- IC-M21
- Instruction Manual
Icom IC-M21 Instruction Manual
Summary of IC-M21
Page 1
Instruction manual im21 vhf marine transceiver.
Page 2
I in case of emergency if your vessel requires assistance, contact other vessels and the coast guard by sending a distress call on channel 16. ❍ using channel 16 distress call procedure 1. “mayday mayday mayday.” 2. “this is ...........................” (name of vessel) 3. Your call sign or other in...
Page 3
Ii foreword thank you for purchasing this icom product. The ic-m21 vhf marine transceiver is designed and built with icom’s su- perior technology and craftsmanship. With proper care this product should provide you with years of trouble-free operation. Important read all instructions carefully and co...
Page 4
Cautions rwarning! Never connect the transceiver to an ac outlet. This may pose a fire hazard or result in an electric shock. Rwarning! Never hold the transceiver so that the antenna is very close to, or touching exposed parts of the body, especially the face or eyes, while transmitting. The transce...
Page 5
Iv in case of emergency ................................................ I recommendation ........................................................... I foreword ....................................................................... Ii important .........................................................
Page 6: Operating Rules
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 calls are prohibited under la...
Page 7: Panel Description
2 2 panel description q dial/channel group switch [dial] • selects and changes the regular channels. (p. 6) • selects one of 2 regular channels in se- quence when pushed for 1 sec. (p. 6) - international and u.S.A. (u.K. Version only) channels* are available for regular channels. *germany version is...
Page 8
3 2 panel description caution!: when attaching or releasing a battery pack, make sure the rubber seal is set in the groove of the battery pack/case correctly. If the seal is not neatly in the groove it may be damaged when attaching the battery pack/case. If the seal is damaged, water resistant is no...
Page 9: ■ Function Display
4 2 panel description ■ 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 tag channel indicator (p. 12) appears when a tag channel is selected. R scan indicator (p. 12) blinks while scanning. ...
Page 10
5 2 panel description o sub channel readout • indicates channel 16 during priority scan. • indicates channel 16 during dualwatch or tri-watch. (p. 10) • indicates the set mode item while in set mode !0 battery indicator indicates remaining battery power. !1 squelch level indicator (p. 7) shows squel...
Page 11: Basic Operation
6 3 basic operation d international and u.S.A. Channels there are 57 international and 57 u.S.A. Channels. These channel groups may be specified for the operating area. Q push [dial] to select a regular channel. W push [y]/[z] switches to select a channel. - “dup” appears for duplex channels. E to c...
Page 12: ■ Lock Function
7 3 basic operation ■ lock function this function electronically locks all keys, except [ptt], [sql• moni ] and [h/l• lock ] to prevent accidental channel changes and function access. • push [h/l• lock ] for 1 sec. To turn the lock function on and off. - only [ptt], [h/l• lock ] and [sql• moni ] are...
Page 13
8 3 basic operation q rotate [off/vol] clockwise to turn power on. - use the squelch function to mute any audio noise if necessary. Refer to the previous page for details. W push* [sql• moni ] for 1 sec., and rotate volume to set audio output level. *according to monitor action selection in set mode...
Page 14: ■ Automatic Backlighting
9 3 basic operation ■ call channel programming the call channel switch is used to select channel 9 by de- fault, however, you can program your most often-used chan- nels in each channel group for quick recall. Q push [dial] for 1 sec. To select the desired channel group (int, usa) to be programmed. ...
Page 15: Dualwatch/tri-Watch
10 4 dualwatch/tri-watch ■ description dualwatch monitors channel 16 while you are receiving an- other channel; tri-watch monitors channel 16 and the call channel while receiving another channel. Dualwatch/tri-watch simulation • if a signal is received on channel 16, dualwatch/tri-watch pauses on ch...
Page 16: Scan Operation
11 5 scan operation ■ scan types scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has a priority scan and a normal scan. Set the tag channels (channels to be scanned) before scan- ning. Clear the tag channels which inconveniently stop scan- ning, su...
Page 17: ■ Setting Tag Channels
12 5 scan operation ■ setting tag channels for more efficient scanning, add desired channels as tag channels or clear tag channels for unwanted channels. Chan- nels set as non-tag channels will be skipped during scanning. Tag channels can be assigned to each channel group (int, usa) independently. Q...
Page 18: Set Mode
13 6 set mode ■ set mode programming set mode is used to change the conditions of 11 transceiver functions: beep tone, scan type, scan resure timer, auto scan, monitor action, automatic backlighting, lcd contrast, auto power save, self check, battery voltage and s/rf meter. Q turn power off. W while...
Page 19
D scan resume timer “st” the scan resume timer can be selected as a pause (off) or timer scan (on). When off is selected, the scan pauses until a received signal disappears. When on is selected, the scan pauses for 5 sec. After receiving a signal and then re- sumes even if the signal is still being ...
Page 20
D self check function “sc” the self check function checks transceiver conditions by it- self, and informs you in case a problem is found. The follow- ing items are checked after the power is turned on, then it switches to operation mode. • temperature (outside of –15°c to +55°c) • connected battery ...
Page 21
16 6 set mode d battery voltage indicator “bt” this function contains display or non-display settings of the voltage of the connected battery pack when the power is on. • the voltage of the connected battery pack is displayed for 2 sec. After power is turned on. D s-meter/rf meter indicator “sr” thi...
Page 22: Battery Charging
17 7 battery charging ■ battery charging prior to using the transceiver for the first time, the ni-cd bat- teries must be fully charged for optimum life and operation. • recommended temperature range for charging: +10°c to +40°c (+50°f to +104°f) • use the supplied charger (bc-150) only. Never use a...
Page 23: Battery Case
18 7 battery charging ■ installing batteries in the battery case (not supplied with some versions) when using a battery case attached to the transceiver, install 6 × aa(r6) size alkaline batteries as illustrated below. Q remove the battery case from the transceiver. W install 6 × aa(r6) size alkalin...
Page 24
19 7 battery charging d rapid charging with the bc-121n+ad-103 the optional bc-121n allows up to 6 battery packs to be charged simultaneously. The following are additionally re- quired. • six ad-103. • an ac adapter (bc-124) or the dc power cable (opc-656). Ac adapter (purchased separately) ad-103 c...
Page 25
20 8 supplied accessories and attachments d supplied accessories the following accessories are supplied: qty. Q flexible antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 w swivel belt clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 e handstrap . . . . ...
Page 26
D swivel belt clip to attach: q slide the stopper into the plastic loop on the back of the transceiver. W clip the belt clip to a part of your belt. 21 8 supplied accessories and attachments e insert the stopper to the back of the belt clip. Once the transceiver is locked in place, it will swivel 36...
Page 27
22 8 supplied accessories and attachments to remove: q turn the transceiver upside down, and then lift to release the transceiver from the belt clip. W release the belt clip. E push the top of the stopper towards the transceiver and out at the same time, then push it downwards and free of the plasti...
Page 28: Troubleshooting
23 9 troubleshooting problem possible cause solution. Ref. No sound comes from the speaker. • squelch level is too deep. • volume level is too low. • speaker has been exposed to water. P. 7 p. 8 — • set squelch to the threshold point. • set [off/vol] to a suitable level. • drain water from the speak...
Page 29: Channel List
24 10 channel list international channels ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) ch frequency (mhz) transmit receive transmit receive transmit receive transmit receive transmit receive transmit receive 01 156.050 160.650 11 156.550 156.550 21 1...
Page 30: Specifications And Options
25 11 specifications and options ■ specifications • general frequency coverage : transmit 156.000–161.450 mhz receive 156.000–163.425 mhz mode : fm (16k0g3e) channel spacing : 25 khz current drain (at 7.5 v dc) : tx high (5 w) 1.5 a typical (1 w) 0.7 a typical max. Audio 200 ma typical power save 20...
Page 31: Declaration
Declaration of conformity we icom inc. Japan 1-1-32 kamiminami, hirano-ku, osaka 547-0003 japan kind of equipment: vhf marine transceiver this compliance is based on conformity with the following harmonised standards, specifications or documents: i) en 301 178-2 v1.1.1 (2000-08) ii) en 60945 1997 ii...
Page 32
Count on us! 1-1-32 kamiminami, hirano-ku, osaka 547-0002 japan a-6117h-1eu printed in japan © 2001 icom inc. Ger bel swe fra aut lux den sui ned gre irl por ita gbr esp fin.