ICOM iM422 Manuel d'utilisateur Page 1

INSTRUCTION MANUALNew2001iM422VHF MARINE TRANSCEIVER!IC-M422.qxd 05.2.23 2:20 PM Page A (1,1)

42 PANEL DESCRIPTIONNew2001 Function displayq CHANNEL COMMENT INDICATOR➥ Channel comment appears and scrolls if programmed.(p. 9)➥ “” or “” blinks du

53BASIC OPERATION23 Channel selectionïïChannel 16Channel 16 is the distress and safety channel. It is used forestablishing initial contact with anoth

63 BASIC OPERATIONNew2001ïïU.S.A., international and Canadian channelsThe IC-M422 is pre-programmed with 57 U.S.A., 57 interna-tional and 61 Canadian

73BASIC OPERATIONNew20013 Receiving and transmittingCAUTION: Transmitting without an antenna may dam-age the transceiver.q Push [VOL] for 2 sec. to t

83 BASIC OPERATIONNew2001 Call channel programmingCall channel is used to select Channel 9 (default), however,you can program the call channel with y

93BASIC OPERATIONNew20013 Channel commentsMemory channels can be labeled with alphanumeric com-ments of up to 10 characters each for easy channel rec

10SCAN OPERATIONNew20014 Scan typesScanning is an efficient way to locate signals quickly over awide frequency range. The transceiver has Priority sca

114SCAN OPERATIONNew20014 Setting TAG channelsFor more efficient scanning, add the desired channels as TAGchannels or clear the TAG for unwanted chann

12DUALWATCH/TRI-WATCHNew20015 DescriptionDualwatch monitors Channel 16 while you are receiving another channel; Tri-watch monitors Channel 16 and the

136DSC OPERATION56 MMSI code programmingThe 9-digit MMSI (Maritime Mobile Service Identity: DSC selfID) code can be programmed at power ON.This funct

iNew2001FOREWORDThank you for purchasing this Icom product. The IC-M422 VHF MARINE TRANSCEIVERSare designed and builtwith Icom’s state of the art tech

146 DSC OPERATIONNew2001 DSC Address IDA total of 100 DSC address IDs (9-digit) can be programmedand named with up to 7 characters.D Programming Addr

156DSC OPERATIONNew20016D Deleting Address IDq Push [DSC•POS] to enter the DSC menu.w Push [Y] or [Z] to select “ ,” and push [DSC•POS].e Push [Y] or

166 DSC OPERATIONNew2001 Distress callA Distress call should be transmitted, if in the opinion of theMaster, the ship or a person is in distress and

176DSC OPERATIONNew20016 Transmitting DSC callsTo ensure correct operation of the DSC function, pleasemake sure you set the squelch correctly. (P. 7)

186 DSC OPERATIONNew2001y Stands by on Channel 70 until an acknowledgement is re-ceived.•“ ” scrolls at the channel comment indicator.u When the ackno

196DSC OPERATIONNew20016e Push [Y] or [Z] to select the acknowledgement “” or“ .”• When “” is selected, the reason “No Reason Given” willbe transmitte

D Transmitting a Group callThe Group call function allows you to transmit a DSC signalto a specific group only.q Push [DSC•POS] to enter the DSC menu.w

216DSC OPERATIONNew20016D Transmitting an All Ships callLarge ships use Channel 70 as their ‘listening channel.’When you want to announce a message to

226 DSC OPERATIONNew2001D Transmitting a Position Request callTransmit a Position Request call when you want to know aspecified ship’s current position

236DSC OPERATIONNew20016D Transmitting a Position Report callTransmit a Position Report call when you want to announceyour own position to a specific s

iiIN CASE OF EMERGENCYIf your vessel requires assistance, contact other vessels andthe Coast Guard by sending a Distress call on Channel 16.Or, transm

246 DSC OPERATIONNew2001D Transmitting a Polling Request callTransmit a Polling Request call when you want to know aspecific ship is in the communicati

256DSC OPERATIONNew20016D Transmitting a Position Request Reply callTransmit a Position Request Reply call when a Position Re-quest call is received.q

266 DSC OPERATIONNew2001 Receiving DSC callsD Receiving a Distress callWhile monitoring Channel 70 and a Distress call is received:➥ The emergency al

276DSC OPERATIONNew20016D Receiving a Group callWhile monitoring Channel 70 and a Group call is received:➥ The emergency alarm or beeps sound for 2 mi

286 DSC OPERATIONNew2001D Receiving a Position Request callWhile monitoring Channel 70 and a Position Request call isreceived:➥ “DSC” appears and “” s

296DSC OPERATIONNew20016D Receiving a Position Report Reply callWhile monitoring Channel 70 and a Position Report Reply callis received:➥ “DSC” and “P

30OTHER FUNCTIONSNew20017 Intercom operationThe optional Intercom function allows you to talk to the deckfrom the cabin. The optional HM-157 COMMANDM

317OTHER FUNCTIONSNew20017 Public Address (PA) functionThe IC-M422 has a Public Address function for voice amplifi-cation, making an announcement on-b

32SET MODENew20018 Set mode programmingSet mode is used to change the conditions of the trans-ceiver’s functions: Scan type, Scan resume timer, Weath

338SET MODENew20018DDWeather alertA NOAA broadcast station transmits a weather alert tone be-fore important weather information. When the Weather Aler

iiiNew2001RADIO OPERATOR WARNINGIcom requires the radio operator to meet theFCC Requirements for Radio Frequency Expo-sure. An omnidirectional antenna

348 SET MODENew2001DDLCD backlightThe LCD backlight brightness can be adjusted from OFF, 1(dark) to 7 (bright.)LCD backlight is also adjustable via [S

359CONNECTIONS AND MAINTENANCE89 Connectionsq DC POWER CONNECTORConnects the supplied DC power cable from this connectorto an external 12 V battery.w

369 CONNECTIONS AND MAINTENANCENew2001 Supplied accessories AntennaA key element in the performance of any communication sys-tem is the antenna. Ask

379CONNECTIONS AND MAINTENANCENew20019 Optional MB-69 installationAn optional MB-69 FLUSH MOUNTis available for mounting thetransceiver to a flat surf

38TROUBLESHOOTINGNew2001New200110PROBLEM POSSIBLE CAUSE SOLUTION REF.No sound from speaker. • Squelch level is too high.• Volume level is too low.• Sp

New20013911SPECIFICATIONS AND OPTIONS SpecificationsDDGeneral• Frequency coverage : Tx 156.025–157.425 MHzRx 156.050–163.275 MHz• Mode : FM (16K0G3E),

40COMMANDMIC II™ HM-157New200112 Panel descriptionThe optional HM-157 remotely controls the IC-M422 and pro-vides an optional Intercom function.DDFro

4112COMMANDMIC II™ HM-157New200112e ATTENUATOR/INTERCOM/SCRAMBLER KEY[LO/DX• SCR]➥ Push to toggle the Attenuator function ON or OFF. (p. 45)•“LOCAL” a

4212 COMMANDMIC II™ HM-157New2001DDTop keysq POWER KEY [PWR] (p. 45)Push for 2 sec. to turn the HM-157 power ON or OFFwhen the IC-M422 power is turned

4312COMMANDMIC II™ HM-157New200112y WEATHER CHANNEL INDICATOR (pgs. 33, 44)➥ “WX” appears when a weather channel is selected.➥ “WX ALT” appears when t

ivNew2001FOREWORD ……………………………… iIMPORTANT ……………………………… iEXPLICIT DEFINITIONS ………………… iIN CASE OF EMERGENCY …………… iiNOTE ……………………………………… iiRADIO OPERAT

4412 COMMANDMIC II™ HM-157New2001 Channel selectionDDChannel 16q Push [16•9] to select Channel16.w Push [CH/WX] to return to thecondition before sele

4512COMMANDMIC II™ HM-157New200112 Receiving and transmittingq Push [PWR] for 2 sec. to turn power ON.w Set the audio and squelch levels.➥ Push [SQL•

4612 COMMANDMIC II™ HM-157New2001 Call channel programmingq While pushing [H/L], push[CH/WX• U/I/C] several timesto select the desired channelgroup (

4712COMMANDMIC II™ HM-157New200112 Display backlightThe function display and keys can be backlit for better visibil-ity under low light conditions. T

4812 COMMANDMIC II™ HM-157New2001 Setting TAG channelsq While pushing [H/L], push [CH/WX• U/I/C] severaltimes to select the desired channel group (U

4912COMMANDMIC II™ HM-157New200112 Set mode programmingSet mode is used to change the condition of the transceiver’sfunctions and the microphone’s ow

5012 COMMANDMIC II™ HM-157New2001 Intercom operationqPush [LO/DX• SCR] for 1 sec.to activate the Intercom function.w Push and hold [PTT] to talk.•“

5112COMMANDMIC II™ HM-157New200112 Channel commentsq Push [YY] or [ZZ] to select a channel to program a channelcomment.• While pushing [H/L], push [C

5212 COMMANDMIC II™ HM-157New2001 InstallationThe optional HM-157 can be connected to the transceiver di-rectly, as well as via the supplied connecti

5312COMMANDMIC II™ HM-157New20011250 (d) mm; 131⁄32˝23 (d) mm; 29⁄32˝24 to 27 (d) mm (15⁄16 to 11⁄16˝)5 mm; 3⁄16˝GasketMounting baseCapNut2 mm; 3⁄32˝!

vNew2001PRECAUTIONSRWARNING! NEVER connect the transceiver to an ACoutlet. This may pose a fire hazard or result in an electricshock.CAUTION: Changes

54CHANNEL LISTNew2001New200113Channel numberUSA CANTransmitReceive01 156.050 160.65001A 156.050 156.05002 156.100 160.70003 156.150 160.75003A 156.150

New20015514TEMPLATE1314Unit: mm (inch) 164 (615⁄32)78 (31⁄16)149 (57⁄8)61.6 (27⁄16)R8 (Max.)HM-157MB-6924 to 27 (d) (15⁄16 to 11⁄16)2 (3⁄32)Cut here!I

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57MEMONew2001!IC-M422.qxd 05.2.23 2:21 PM Page 57 (1,1)

1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, JapanA-6431D-1USPrinted in Japan© 2005 Icom Inc.New2001!IC-M422.qxd 05.2.23 2:21 PM Page 58 (1,1)

11OPERATING RULESDDPRIORITIES• Read all rules and regulations pertaining to priorities andkeep an up-to-date copy handy. Safety and Distress callstake

2PANEL DESCRIPTIONNew20012 Front panelq CHANNEL 16/CALL CHANNEL KEY [16•9]➥ Push to select Channel 16. (p. 5)➥ Push for 1 sec. to select Call channel

32PANEL DESCRIPTIONNew2001i PUBLIC ADDRESS/RX SPEAKER KEY [PA•RX]➥ Push to turn the Public Address mode ON or OFF. (p. 31)➥ Push for 1 sec. to turn th