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Icom IC-M31 Instruction Manual
Summary of IC-M31
Page 1
Instruction manual im31 vhf marine transceiver new2001 ic-m31.Qxd 03.10.20 9:18 am page 1 (1,1).
Page 2
I new2001 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 ...
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Ii new2001 foreword thank you for purchasing this icom product. The ic-m31 vhf marine transceiver is designed and built with icom’s state of the art technology and craftsmanship. With proper care this product should provide you with years of trouble-free operation. Important read all instructions ca...
Page 4
Precaution 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 trans...
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Iv new2001 in case of emergency ................................................ I recommendation ........................................................... I foreword ....................................................................... Ii important .................................................
Page 6: Operating Rules
1 operating rules new2001 1 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 c...
Page 7: ■ Supplied Accessories
2 2 supplied accessories and attachments 1 2 ■ supplied accessories the following accessories are supplied: qty. • flexible antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 • handstrap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 • belt clip (m...
Page 8
3 2 supplied accessories and attachments new2001 ï battery pack to remove the battery pack: turn the screw counterclockwise, then pull the battery pack in the direction of the arrow as shown below. To attach the battery pack: insert the battery pack in the ic-m31 completely, then turn the screw cloc...
Page 9: Panel Description
4 3 panel description 2 3 ■ front, top and side panels q power switch [pwr] push and hold to turn power on and off. W antenna connector (p. 2) connects the supplied antenna. E scan/dual key [scn• dual ] • starts and stops normal or priority scan. (p. 14) • enters watch mode when pushed for 1 sec. (p...
Page 10: ■ Function Display
5 3 panel description new2001 ■ front, top and side panels (continued) u channel up/down keys [y y]/[z z]• [tag] • selects an operating channel. (pgs. 7, 8) • selects the set mode condition of the item. (p. 16) • checks tag channels or changes scanning direction dur- ing scan. (p. 14) • sets or clea...
Page 11
6 3 panel description new2001 t lock indicator (p. 12) appears while the lock function is activated. Y battery indicator indicates remaining battery power. U scan indicator (p. 14) blinks while scanning. I dualwatch/tri-watch indicators (p. 15) “dual” appears during dualwatch; “tri” appears during t...
Page 12: Basic Operation
7 basic operation new2001 new2001 4 ■ channel selection important!: prior to using the transceiver for the first time, the battery pack must be fully charged for optimum life and operation. To avoid damage to the transceiver, turn the power off while charging. D channel 16 channel 16 (distress chann...
Page 13
New2001 8 4 basic operation d international, u.S.A.* 1 and atis* 2 channels there are 57 (58)* 1 international, 58 u.S.A.* 1 and 57 atis* 2 channels. These channel groups may be specified for the op- erating area. Q push [dial] to select a regular channel. W push [y]/[z] to select a channel. • “dup”...
Page 14
9 4 basic operation new2001 ■ adjusting the volume level the volume level can be adjusted with [+]/[–]. ➥ push [+]/[–] to adjust the volume level. • “vol” indicator starts blinking. • there are 32 volume levels to choose. • when no key is pushed for 5 sec., the transceiver returns to nor- mal condit...
Page 15
10 4 basic operation new2001 ■ receiving and transmitting q push and hold [pwr] to turn power on. W set the volume and squelch levels. ➥ push [sql• moni ], and push [–] to open the squelch. ➥ push [sql• moni ] to stop “sql” indicator blinking, then push [+]/[–] to set the volume level. ➥ push [sql• ...
Page 16
11 4 basic operation new2001 ■ call channel programming the call channel key is used to select the default channel, however, you can program your most often-used channel in each channel group for quick recall. Q push [dial] for 1 sec. Several times to select the desired chan- nel group (int, usa, at...
Page 17: ■ Lock Function
12 4 basic operation new2001 ■ lock function this function electronically locks all keys (except for [+]/[–], [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. ■ automatic backlighting t...
Page 18: Scan Operation
13 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. In addition, an auto scan function is available for standby convenience. Set the tag channels (scanned channel) before scann...
Page 19: ■ Setting Tag Channels
14 5 scan operation new2001 ■ setting tag channels for more efficient scanning, add desired channels as tag channels or clear the tag for unwanted channels. Non-tag channels will be skipped during scanning. Tag channels can be assigned to each channel group (int, usa, atis) independently. (depending...
Page 20: Dualwatch/tri-Watch
15 dualwatch/tri-watch new2001 new2001 6 ■ 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 the desired operating channel. W push [scn •dual ] for 1 sec. To star...
Page 21: Set Mode
16 7 set mode new2001 ■ set mode programming set mode is used to change the condition of 11 transceiver functions: beep tone function, priority scan function, scan re- sume timer, auto scan function, dual/tri-watch function, moni- tor switch action, automatic backlighting, lcd contrast selec- tion, ...
Page 22: ■ Set Mode Items
17 7 set mode new2001 ■ set mode items d beep tone function “bp” you can select silent operation by turning the beep tones off, or you can have 2 types of confirmation beeps sound at the push of a switch. When on is selected, a fixed beep (pi) sounds, and when us is selected, the preset beeps (e.G. ...
Page 23
18 7 set mode new2001 d auto scan function “as” the auto scan function starts the desired scan automatically when no signal is received, and no operation is performed for 30 sec. D dual/tri-watch function “dt” this item selects dual or tri-watch as desired. See p. 15 for details. D monitor switch ac...
Page 24
19 7 set mode new2001 d lcd contrast selection “lc” the contrast of the lcd can be turned on (high contrast) and off (low contrast). D power save function “ps” the power save function reduces current drain by deactivat- ing the receiver circuit for preset intervals. • on : the power save function is...
Page 25
20 7 set mode new2001 d battery voltage indicator “bt” the voltage of the connected battery pack can be turned on (displayed for 2 sec.) or off (non-displayed) after power is turned on. Indication switch beep tone function function priority scan function scan resume timer auto scan function dual/tri...
Page 26: Battery Charging
21 battery charging new2001 8 ■ battery charging prior to using the transceiver for the first time, the battery pack must be fully charged for optimum life and operation. Caution: to avoid damage to the transceiver, turn the power off while charging. • recommended temperature range for charging: +10...
Page 27: ■ Optional Battery Case
22 8 battery charging new2001 8 ï charging connections q attach the bc-150 to a flat surface, such as desk or cabin, etc., if desired. W connect the ac adapter (bc-147e*) as shown below. *not supplied with some version. E insert the battery pack with/without the transceiver into the charger. • the c...
Page 28
23 8 battery charging new2001 ■ optional battery chargers ï ad-103 installation q install the ad-103 desktop charger adapter into the holder space of the bc-119n/121n. W connect the plugs of the bc-119n/121n to the ad-103 desktop charger adapter with the connector, then install the adapter into the ...
Page 29
24 8 battery charging new2001 ï rapid charging with the bc-119n+ad-103 the optional bc-119n provides rapid charging of battery packs. The following are additionally required. • ad-103 charger adapter • an ac adapter (not supplied with bc-119n depending on version) or the dc cable (opc-515l/cp-17l) ï...
Page 30: Optional Swivel Belt Clip
25 optional swivel belt clip new2001 9 ■ mb-87 contents qty. Q belt clip ……………………………………………………… 1 w base clip …………………………………………………… 1 ■ to attach q slide the base clip into the plastic loop on the back of the transceiver as illustrated below. W clip the belt clip to a part of your belt and insert the ...
Page 31: ■ To Detach
26 9 optional swivel belt clip new2001 9 ■ to detach ➥ turn the transceiver upside down in the direction of the arrow and pull out from the belt clip. R r caution! Hold the transceiver tightly, when hanging or detaching the transceiver from the belt clip. Otherwise the transceiver may not be attache...
Page 32: Troubleshooting
27 troubleshooting new2001 new2001 10 problem possible cause solution ref. No sound from speaker. • squelch level is too deep. • volume level is too low. • speaker has been exposed to water. P. 9 p. 9 — • set squelch to the threshold point. • push [+]/[–] to set a suitable level. • drain water from ...
Page 33: Channel List
New2001 28 11 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....
Page 34: Specifications And Options
29 specifications and options new2001 new2001 12 ■ specifications general • frequency coverage : transmit 156.000–161.450 mhz receive 156.000–163.425 mhz • mode : fm (16k0g3e) • channel spacing : 25 khz • power supply requirement : bp-223, bp-224 only • current drain (at 7.5 v dc) : tx at 5 w 1.5 a ...
Page 35: Doc
30 13 doc new2001 ce versions of the ic-m31 which display the “ce” symbol on the serial number seal, com- ply with the essential requirements of the eu- ropean radio and telecommunication terminal directive 1999/5/ec. This warning symbol indicates that this equipment operates in non-harmonised frequ...
Page 36
1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-6298d-1eu printed in japan © 2003 icom inc. New2001 ger aut gbr irl nor fra ned bel lux esp por ita gre swe den fin sui ic-m31.Qxd 03.10.20 9:18 am page 31 (1,1).