Icom iM422 User's Manual
Contents
1. Beep tone OFF M I bore lt Beep tone ON default 8 SsETMODE LCD backlight The LCD backlight brightness can be adjusted from OFF 1 dark to 7 bright LCD backlight is also adjustable via SCAN TAG key p 9 While pushing SCAN TAG e FHCKLIGHT scrolls at the channel comment indicator lt PACH IG or LCD backlight level 7 default LCD backlight OFF LCD contrast The LCD contrast can be adjustable in 4 levels 1 is the low est contrast and 4 is the highest contrast e CONTRAST scrolls at the channel comment indicator 4H i Scrolls s LCD contrast level 3 default Automatic acknowledgement This item sets the automatic acknowledgement function ON or OFF When Position Request Position Report or Polling Request call is received transceiver automatically transmits the reply call respectively e AUTO ALK scrolls at the channel comment indicator E E Auto acknowledgement Auto acknowledgement OFF default ON Scrolls Radio power Available only when optional HM 157 is connected This item Ee the Radio Power function ON or OFF PWR scrolls at the channel comment indicator ON The iansceiwer s power is controlled by the HM 157 When the HM 157 is turned OFF the transceiver will also be turned OFF automatically OF2. 3 BASIC OPERATION U S A international and Canadian channels The IC M422 is pre programmed with 57 U S A 57 interna tional and 61 Canadian channels These channel groups may be specified for the operating area D Push CH WX DUAL to select a regular channel If a weather channel appears push CH WX DUAL again Push both A and V on the transceiver to change the channel group if necessary U S A International and Canadian channel groups can be se lected in sequence 3 Push A or V to select a channel DUP appears for duplex channels appears when a simplex channel is selected Push ru mx gt lt lt P lt gt um Weather channels The 422 has 10 weather channels These are used for monitoring broadcasts from NOAA National Oceanographic and Atmospheric Administration The transceiver can detect a weather alert tone on the se lected weather channel while receiving the channel during standby on a regular channel or while scanning p 33 Push CH WX DUAL once or twice to select a weather channel WX appears when a weather channel is selected WX ALT appears when the Weather Alert function is in use p 33 DUAL Push CH WX once or twice II ICE to UM 2 Scrolls D Appears 0000 71717 5 Sa ALT
3. 15 E Receiving and transmitting 45 RADIO OPERATOR WARNING iii Distress call 16 W Call channel programming 46 TABLE OF CONTENTS iv E Transmitting DSC calls 17 Lock functions 46 PRECAUTIONS V E Receiving DSC calls 26 W Display backlight 47 1 OPERATING RULES 1 7 OTHER FUNCTIONS 30 31 W Monitor function 47 2 PANEL DESCRIPTION 2 4 W Intercom operation 30 pe Dial WU THANGIOH GPOTHIDI ed Front panel 2 W Public Address PA function 31 Setting TAG channels ez d Microphone 3 RX Speaker function 31 Bano decanus ee it a 48 Function display 4 8 SET 32 34 M Set mode programming 3 BASIC OPERATION 5 9 E Set mode programming 32 AE oap O li Channel selection sss 5 Set mode items 32 B S 2 function i Receiving and transmitting 7 9 CONNECTIONS AND 22 51 Call channel programming Ee rcf 8 MAINTENANCE 35 37 HM iid Accessoi SM 1 Channel comments
4. 9 Connections 35 m TOR SUPR IOC ACCOSSONOS ra 3 Microphone Lock function 9 W Supplied accessories 36 13 21 B Display backlight 9 W Antenna ee IRR 4 SCAN OPERATION 10 11 Fuse 36 14 TEMPLATE 55 Scan 10 W Mounting the transceiver 36 E Setting TAG channels 11 E Optional MB 69 installation 37 Starting a SCAN 11 10 TROUBLESHOOTING 38 5 DUALWATCH TRI WATCH 12 11 SPECIFICATIONS AND B Description 12 OPTIONS eem 39 Operation 12 E Specifications 39 Bl Options 39 PRECAUTIONS Z WARNING 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 NEVER connect the transceiver to a power source of more than 16 V DC or use reverse polarity This will ruin the trans ceiver NEVER cut the DC power cable between the DC plug at the back of the transceiver and fuse holder If
5. CHANNEL DUALWATCH TRI WATCH KEY CH WXe Push to select and toggle the regular channels and weather channels p 44 While pushing H L push to select one of three chan nel groups in sequence p 44 U S A International and Canadian channels are available w Push for 1 sec to start Dualwatch or Tri watch p 47 Push to stop Dualwatch or Tri watch when either is acti vated p 47 CHANNEL 16 CALL CHANNEL KEY 16 9 Push to select Channel 16 p 44 Push for 1 sec to select call channel p 44 CALL appears when call channel is selected Push for sec to enter call channel programming con dition when call channel is selected p 46 COMMANDMIC II 157 12 e While pushing CH WX U I C push to enter the channel comment programming condition p 51 While turning power ON push to enter Set mode p 49 CHANNEL UP DOWN KEYS AV V Push to select the operating channel Set mode set tings etc pgs 44 49 Push and hold A to move upward through the operat ing channels continuously Push and hold V to move downward through the op erating channels continuously Push A or V to adjust audio level or noise squelch level after pushing VOL PA RX or SQL mu respectively p 45 Push A or V to adjust the brightness of the LCD and key backlight after pushing VOL PA RX 441 for 1 sec p 47 Checks TAG channe
6. blinks and audio is INT emitted gi Any key cancels the Monitor function L MM COMMANDMIC II HM 157 12 B Dualwatch Tri watch operation D Select Dualwatch or Tri watch in Set mode P 33 Push A or V to select the desired channel e While pushing H L push CH WXe U I C several times to select the channel group USA INT if desired Push CH WXe py U I C for 1 sec to start Dualwatch or Tri watch e Ini or Th blinks at the chan nel comment indicator during Dualwatch or Tri watch respec tively beep tone sounds when a sig nal is received on Channel 16 Tri watch becomes Dualwatch when receiving a signal on the call channel 4 To cancel Dualwatch or Tri watch push CH WX again INT Blinks when the dualwatch function is in use 47 12 COMMANDMIC II HM 157 Setting TAG channels D While pushing H L push CH WX several times to select the desired channel group USA INT or CAN 2 Push A or V to select the desired channel to be set as a TAG channel 3 Push SCAN for 1 sec to set the displayed channel as a TAG channel e appears in the display 4 To cancel the TAG channel setting repeat step 3 disappears V Clearing or setting all tagged channels While pushing H L push SCAN for 3 sec until a long
7. 6 DSC OPERATION B 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 GY NEVER USE THE DISTRESS CALL WHEN YOUR SHIP OR A PERSON IS NOT IN AN EMERGENCY A DISTRESS CALL CAN BE USED ONLY WHEN IMMEDIATE HELP IS NEEDED WAS D Confirm no Distress call is being received While lifting up the key cover push DISTRESS for 5 sec to transmit the Distress call Emergency channel Ch 70 is automatically selected and the Distress call is transmitted While pushing DISTRESS the key backlighting is blinking 3 After transmitting the Distress call the transceiver waits for an acknowledgment call on Ch70 The Distress call is automatically transmitted every 3 5 to 4 5 minutes e JSC REPEAT scrolls at the channel comment indicator INT D GPS lt After receiving the acknowledgment reply using the mi crophone e Channel 16 is automatically selected TISTRESS ACK scrolls at the channel comment indicator SEP Hi 1 Scrolls ID A distress alert contains Kinds of distress Undesignated distress e Position data Latest GPS position data held for 23 5 hrs or until the power is turned OFF The Distress call is repeated every 3 5 4 5 min until re ceiving an acknowledgement Push DISTRESS to transmit a renewed
8. 2 Push and hold PTT to talk D TALK appears at the channel gi comment indicator 3 Release PTT to listen 4 575 appears at the channel comment indicator when the trans ceiver is in talking mode Push LO DXe SCR to cancel the Intercom function e Pushing 1699 also cancels the Intercom function For your reference In case the Intercom mode is selected with the transceiver while the microphone power is OFF the microphone power is automatically turned ON and the Intercom mode is selected 9 Intercom beep function Push and hold LO DXe SCR for more than 1 sec Emits the Intercom beep while holding B Public Address function D While pushing H L push VOL PA RX 41 to enter the i m Public Address mode bt 2 Push and hold PTT to talk B TALK appears at the channel comment indicator 3 Release PTT to listen 1 STN appears at the channel comment indicator when the transceiver is in talking mode e adjust the audio output level push A or V 4 To cancel the Public Address mode repeat step D e Pushing 1699 also cancels the Intercom function While in the Public Address mode the transceiver func tions transmit and receive are interrupted If the trans ceiver is in transmit condition the Public Address function ZZ is not available MAY RX Speaker function D Push VOL PA RX 41 for 1 sec to enter t
9. 4 50 d mm 13140 24 to 27 d mm 6 to 1146 23 d mm 2952 Nd Gasket Cap 1 3 CHANNEL LIST Channel number Frequency MHz Channel number Frequency MHz Channel number Frequency MHz Channel number Frequency MHz USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive 01 01 156 050 160 650 19 19 156 950 156 950 64 64 156 225 156 225 83A 83A 157 175 157 175 01A 156 050 156 050 20 20 207 157 000 161 600 65 156 275 160 875 83b Rx only 161 775 02 02 156 100 160 700 20A 157 000 157 000 65A 65A 65A 156 275 156 275 84 84 84 157 225 161 825 03 03 156 150 160 750 21 21 157 050 161 650 66 156 325 160 925 84A 157 225 157 225 03A 156 150 156 150 21A 21 157 050 157 050 66A 66A 66 1 156 325 156 325 85 85 85 157 275 161 875 04 156 200 160 800 21b Rx only 161 650 67 67 67 156 375 156 375 85A 157 275 157 275 04A 156 200 156 200 22 157 100 161 700 68 68 68 156 425 156 425 86 86 86 157 325 161 925 05 156 250 160 850 22A 22A 157 100 157 100 69 69 69 156 475 156 475 86A 157 325 157 325 05A 05A 156 250 156 250 23 23
10. When Weather alert is ON Push A or V to select a channel Receiving and transmitting Y CAUTION Transmitting without an antenna may dam 2 age the transceiver D Push VOL for 2 sec to turn power ON 2 Set the audio and squelch levels Rotate SQL fully counterclockwise in advance Rotate VOL to adjust the audio output level Rotate SQL clockwise until the noise disappears 3 To change the channel group push both A and V on the transceiver p 6 Push A or V to select the desired channel pgs 5 6 e When receiving a signal appears and audio is emitted from the speaker Further adjustment of VOL may be necessary 5 Push LO DX IC to turn the receive Attenuator function ON or OFF if necessary LOC appears when the receive Attenuator function is in use 6 Push HI LO to select the output power if necessary LOW appears when low power is selected Choose low power for short range communications choose high power for longer distance communications Some channels are for low power only 7 Push and hold PTT to transmit then speak into the mi crophone 873 appears Channel 70 cannot be used for transmission other than DSC Release PTT to receive BASIC OPERATION 3 Simplex channels 3 21 23 61 64 81 82 and 83 CAN NOT be lawfully used by the general public in U S A wa 2 ters GY IMPORTANT To maximize t
11. Indicates whether an U S A USA International INT or Canadian CAN channel is selected 12 COMMANDMIC II HM 157 B Channel selection Channel 16 U S A International and Canadian channels D Push 16 9 to select Channel TAG D Push CH WX to select a regular channel 16 e Push CH WX B U I C again if weather channel appears am f 2 While pushing H L push CH WX to select channel group pas U S A International and Canadian channels can be selected in Push CH WX to return to the iwr condition before selecting Chan nel 16 or push A or V to se 9 r 1 lect an operating channel sequence 9 3 Push A or V to select a channel Push DUP appears for duplex channels Call channel B appears when a simplex channel is selected D Push 1699 for 1 sec to select TAS CALL call channel USA D n E n Fri LL LLU U S A channels 9 Push for 1 sec While pushing wn PU C push emn CAN DUP 04 41 channels channels 2 Push CH WX to return to the condition before selecting call channel or push A or V to select an operating channel 1 Weather channels 1 Push CH WX once or twice to select the weather channel group Push A or W to select a weather channel Push CH WX to return to the
12. dab When the acknowledgement Able to comply is received the specified channel in step is selected with beeps automatically Or when the acknowledgement Unable to comply is received the display returns to the operated channel before entering the DSC menu with beeps Wy ARLE ACK or ROW UNABLE ACH scrolls at the channel comment indicator SEPA p El lt Scrolls a T D D ge Lut a Scrolls Unable to comply is received Push any key to stop the beep then push and hold PTT to communicate your message to the responding ship 9 Transmitting an Individual acknowledgement When receiving an Individual call you can transmit an ac knowledgement Able to comply or Unable to comply by using the on screen prompts see page 26 for details Alter natively you can send an acknowledgement through the menu system as follows D Push DSC POS to enter the DSC menu Push A or V to select INI ACH push DSC POS ACK item appears after an Individual call is received INI ACK item disappears if another call is received after the Individual call The Individual acknowledgement can be transmitted to the last received Individual call only INT J GPS lt 3 Push A or V to select the acknowledgement AFLE or
13. The beeps sound for 2 minutes Push any key to stop the beeps Er 1 111 r1 ye PAS L scrolls INT IL GPS DSC Push DSC POS to reply to the call push any other key to ignore the call scrolls at the chan Receiving a Polling Request call While monitoring Channel 70 and a Polling Request call is re ceived e DSC appears and FLV POLLING REGU channel comment indicator The beeps sound for 2 minutes Push any key to stop the beeps scrolls at the INT D 1 GPS DSC Scrolls Push DSC POS to reply to the call push any other key to ignore the call Receiving a Position Request Reply call While monitoring Channel 70 and a Position Request Reply call is received DSC and POS REPLY appear in the display The Latitude and Longitude from the called station is displayed and scrolled at the channel comment indicator in order of Lati tude co ordinates and then Longitude co ordinates POSITION scrolls when no GPS is connected The beeps sound for 2 minutes Push any key to stop the beeps INT GPS DSC POS REPLY DSCOPERATION 6 Receiving a Position Report Reply call While monitoring Channel 70 and a Position Report Reply call is received DSC and POS REPLY appear in the display The Latitude and Longitude you have sent is displayed and scrolled at the channel comment
14. When is selected the reason Reason Given will be transmitted L ro ri lt ABLE is selected A Push DSC POS to enter selected Individual call acknowl edgement e FEAT appears at the channel comment indicator lt die 5 Push DSC POS to transmit the acknowledgement call to the selected station Transmitting DSCOPERATION 6 6 After the Individual acknowledgement call has been trans mitted the specified channel specified by the calling sta tion is selected automatically when ARLE is selected or returns to the previous condition before entering the DSC menu when is selected in step 3 i TAI INT D IL 6 DSC OPERATION Transmitting a Group call The Group call function allows you to transmit a DSC signal to a specific group only D Push DSC POS to enter the DSC menu 2 Push A or V to select GROUP push DSC POS INT I GPS ER lt Push A or VW to select the desired pre programmed Group address push DSC POS The ID code must be set in advance p 13 CO Push A V to select the desired intership channel and push DSC POS e Intership channels are already preset into the transceiver in pre ferred order After pushing DSC ePOS Channel 70 is selected and
15. default Scan timer ON Weather alert A NOAA broadcast station transmits a weather alert tone be fore important weather information When the Weather Alert function is turned ON the transceiver detects the alert then the WX ALT indicator blinks until the transceiver is operated The previously selected used weather channel is checked any time during standby or while scanning WX ALT appears instead of WX indication when the function is set ON gt Weather alert OFF default Weather alert ON 9 Dual Tri watch This item can be selected as Dualwatch or Tri watch p 12 Rd L A NI Dualwatch default Tri watch sETMODE 8 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 watch pauses until the signal disappears Z4 This function may not be available for some channel 2 groups depending on dealer setting WHILH scrolls at the channel comment indicator LI DSC watch OFF default Scrolls lt DSC watch ON Beep tone You can select the silent operation by turning beep tones OFF or you can have confirmation beeps sound at the push of a key by turning beep tones ON
16. 157 150 161 750 70 3 70 3 703 156 525 156 525 87 87 87 157 375 161 975 06 06 06 156 300 156 300 23A 157 150 157 150 71 71 71 156 575 156 575 87A 157 375 157 375 07 156 350 160 950 24 24 24 157 200 161 800 72 72 72 156 625 156 625 88 88 88 157 425 162 025 07A 07A 156 350 156 350 25 25 25 157 250 161 850 73 73 73 156 675 156 675 88 157 425 157 425 08 08 08 156 400 156 400 25b Rx only 161 850 74 74 74 156 725 156 725 09 09 09 156 450 156 450 26 26 26 157 300 161 900 771 77 771 156 875 156 875 M Frequency MHz 10 10 10 156 500 156 500 27 27 27 157 350 161 950 78 156 925 161 525 Transmit Receive 11 11 11 156 550 156 550 28 28 28 157 400 162 000 78 78 156 925 156 925 1 RX only 162 550 12 12 12 156 600 156 600 28b Rx only 162 000 79 156 975 161 575 2 RX only 162 400 13 13 137 156 650 156 650 60 60 156 025 160 625 79A 79A 156 975 156 975 3 RX only 162 475 14 14 14 156 700 156 700 61 156 075 160 675 80 157 025 161 625 4 RX only 162 425 15 15 15 156 750 156 750 61A 61A 156 075 156 075 80A 80A 157 025 157 025 5 RX only 162 450 16 16 16 156 800 156 800 62 156 125 160 725 81 157 075 161 675 6 RX only 162 500 171 17 171 156 850 156 850 62A 156 125 156 125 81A 81A 157 075 157 075 7 RX only 162 525 18 156 900 161 500 63 1
17. Squelch level is too high Set SQL to the threshold point p 7 Volume level is too low Set VOL to a suitable level p 7 Speaker has been exposed to water Drain water from the speaker Sensitivity is low The Attenuator is activated e Push LO DXeIC to turn the function OFF 7 Transmitting is impossi Some channels are for low power or re Change channels pgs 5 ble or high power can ceive only 6 54 not be selected The output power is set to low Push HI LO on the microphone to select 7 high power Scan does not start TAG channel is not programmed Set the desired channels as TAG channels 11 No beeps Beep tones are turned OFF Turn the beep tone ON in Set mode p 33 The squelch is open Set SQL to the threshold point p 7 Distress call cannot be MMSI DSC self ID code is not Program the MMSI DSC self ID code p 13 transmitted grammed SPECIFICATIONS AND OPTIONS 1 1 Specifications General Frequency coverage Tx 156 025 157 425 MHz Rx 156 050 163 275 MHz Mode FM 16KOG3E DSC 16K0G2B Channel spacing 25 kHz Current drain at 13 8 V TX high 5 5 Max audio 1 5 A max Power supply requirement 13 8 V DC Frequency stability 10 ppm 20 C to 60 4 F to 140 F 164 W x 78 H x 139 3 D mm 6 1 42 W x 3 x 5 1952 0 in Approx 1070 g 2 4 Ib Dimensions Pro
18. address lead cover the connector and leads with an adhesive tape as shown below to prevent water seeping into the trans ceiver Rubber vulcanizing tape Q CONNECTIONS AND MAINTENANCE Supplied accessories a Mounting bracket For mounting bracket Knob bolts Flat washers M5 afe h 25 Screws 5 20 Spring washers 5 1 1 1 1 1 Microphone hanger DC power cable and screws 3x16 891 9 ey WY MA B Antenna A key element in the performance of any communication sys tem is the antenna Ask your dealer about antennas and the best place to mount them Fuse replacement One fuse is installed in the supplied DC power cable If a fuse blows or the transceiver stops functioning track down the source of the problem if possible and replace the damaged fuse with a new one of the proper rating Mounting the transceiver 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 b x 20 to a surface which is more than 10 mm thick and can support more than 5 kg Mount the transceiver so that the face of the transceiver is at 90 to your line of sight when operating it CAUTION KEEP the transceiver and microphone at least 1 meter away from your vessel s magnetic navigation com
19. an incorrect con nection is made after cutting the transceiver may be dam aged NEVER place the transceiver where normal operation of the vessel may be hindered or where it could cause bodily injury KEEP the transceiver at least 3 3 ft 1 m away from the ship s navigation compass DO NOT use or place the transceiver in areas with temper atures below 4 F 20 or above 140 F 60 C or in areas subject to direct sunlight such as the dashboard AVOID the use of chemical agents such as benzine or al cohol when cleaning as they may damage the transceiver surfaces If the transceiver becomes dusty or dirty wipe it clean with a soft dry cloth BE CAREFUL The transceiver rear panel will become hot when operating continuously for long periods Place the transceiver in a secure place to avoid inadvertent use by children BE CAREFUL The transceiver and optional HM 157 COMMANDMIC 17 employ waterproof construction which cor responds to IPX waterproof specification Grade 7 1 m 30 min However once the transceiver or microphone has been dropped waterproofing cannot be guaranteed due to the fact that the case may be cracked or the waterproof seal damaged etc 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
20. indicator in order of Latitude co ordinates and then Longitude co ordinates e NG POSITI Oe TT TAN L4 1 tui scrolls when no GPS is connected The beeps sound for 2 minutes Push any key to stop the uu m REE INT ii GPS DSC VS POS REPLY Receiving a Polling Request Reply call While monitoring Channel 70 and a Polling Request reply call is received DSC appears and FE PULLING ACK channel comment indicator w The beeps sound for 2 minutes Push any key to stop the beeps scrolls at the I lt 11 paw IL I LIL INT i GPS DSC Scrolls Push DSC POS to reply to the call push any other key to ignore the call OTHER FUNCTIONS Intercom operation The optional Intercom function allows you to talk to the deck from the cabin The optional 157 117 is T i iEn required for Intercom operation f T GPS Connect an optional HM 157 as described on pgs 35 52 LSIN e Transmitting is impossible during Intercom operation IC M422 caller HM 157 listener The received signal is muted during Intercom operation 4 After releasing PTT you can hear the response through D Push LO DX IC for 1 sec to enter Intercom mode the speaker 157 power is automatically turned ON even if the power 8 To return to the normal operat
21. pass NOTE Check the installation angle the function display 2 may not be easy to read at some angles EXAMPLE S Flat washer i 31 1 Spring washer 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 ZZ CAUTION KEEP the transceiver and microphone at least 2 1 meter away from your vessel s magnetic navigation com WY D Using the template p 55 carefully cut a hole into the instrument panel or wherever you plan to mount the trans ceiver 2 Slide the transceiver through the hole as shown below CONNECTIONS AND MAINTENANCE 9 3 Attach the clamps on either side of the transceiver with 2 supplied bolts 5 x 8 mm Make sure that the clamps align parallel to the transceiver body 4 Tighten the end bolts on the clamps rotate clockwise so that the clamps press firmly against the inside of the in strument control panel 5 Tighten the locking nuts rotate counterclockwise so that the transceiver is securely mounted in position as below 6 Connect the antenna and power cable then return the in strument control panel to its original place 1 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF The transceiver does Bad connection to the power supply Check the connection to the transceiver 35 not turn ON No sound from speaker
22. 56 175 160 775 82 157 125 161 725 8 RX only 161 650 18A 18A 156 900 156 900 63A 156 175 156 175 82A 82A 157 125 157 125 9 RX only 161 775 19 156 950 161 550 64 64 156 225 160 825 83 83 157 175 161 775 10 RX only 163 275 Low power only Momentary high power DSC operation only NOTE Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in U S A waters TEMPLATE 1 4 164 61542 MEN usc aa Se 1 149 574 HM 157 oN 24to27 d _ 2 154 to 1146 78 3 6 Unit mm inch Cut here MEMO Count on us A 6431D 1US Printed in Japan Icom Inc 2005 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan
23. D Push DSC POS to enter the DSC menu 2 Push A or V to select 205 FEGUEST push DSC Pos EA 1 BERI FL RID L scrolls 3 Push A or V to select the desired pre programmed In dividual address The ID code must be set in advance p 13 Push DSC POS to enter the standby condition for Posi tion Request call e Channel 70 is selected and FERT appears at the channel comment indicator INT Ul GPS 5 Push DSC POS to transmit the Position Request call ut INT H GPS Transmitting 6 After the Position Request call has been transmitted the following indication is displayed WHii ALK scrolls at the channel comment indicator HP uuu l pH AE L scrolls INT GPS 7 Push any key to exit the condition and return to the previ ous indication before entering the DSC menu Transmitting a 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 D Push DSC POS to enter the DSC menu Push A or V to select P25 REPORT push DSCePOS P UU j j I Ja lt a E 3 Push A or V to select the desired pre programmed In dividual address The ID code must be set in advance p 13 DSC OPERATION 6 Push DSC POS to enter the
24. Distress call if desired Push 16 9 to cancel the Call repeat mode Transmitting DSC calls ensure correct operation of the DSC function please make sure you set the squelch correctly P 7 Transmitting an Individual call The Individual call function allows you to transmit a DSC sig nal to a specific ship only D Push DSC POS to enter the DSC menu Push A or V to select INFIV ITUAL push DSCePos INT I GPS ER Push A or V to select the desired pre programmed In dividual address push DSC POS The ID code must be set in advance p 13 D D lt gt E d DSCOPERATION 6 Push A or V to select the desired intership channel push DSC POS e Intership channels are already preset into the transceiver in pre ferred order e After pushing DSC Pos Channel 70 is selected and appears at the channel comment indicator Push INT S POS PA uaa i GPS EA 5 Push DSC POS to transmit the Individual call e If Channel 70 is busy the transceiver stands by until the channel becomes clear Routine category only is available INT GPS gt Transmitting 17 6 DSC OPERATION Stands by on Channel 70 until an acknowledgement is re ceived e WHIT ALK scrolls at the channel comment indicator
25. F The transceiver s power is not controlled by the HM 157 Even if the HM 157 is turned OFF the transceiver will continue to work RADIO PRE LE Eno Radio PWR ON default Radio PWR OFF CONNECTIONS AND MAINTENANCE B Connections DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V battery EXTERNAL SPEAKER LEAD Yellow Connects to an external speaker or hailer speaker PUBLIC ADDRESS LEAD Blue Connects to an external speaker or hailer speaker PA output power 4 5 W typical at 10 distortion with a 4 load NMEA IN LEAD Red Connects to a GPS receiver for position indication e 0183 ver 2 0 or 3 01 sentence formatters RMC GGA GNS GLL compatible GPS receiver is required Ask your dealer about suitable GPS receivers NMEA OUT LEAD White Connects to a PC or navigation equipment NMEA0183 ver 3 01 sentence formatters DSC DSE compatible for plotting position data received from other ships Q ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connector to the transceiver 2 CAUTION Transmitting without an antenna may dam Z age the transceiver EXTERNAL MICROPHONE JACK Connects to optional HM 157 COMMANDMIC 11 CAUTION After connecting the DC power cable NMEA IN OUT leads external speaker lead and public
26. IC Ma422 INSTRUCTION MANUAL VHF MARINE TRANSCEIVER DUAL DISTRESS Ge l 077228 3 62 WW o Icom Inc FOREWORD IMPORTANT Thank you for purchasing this Icom product The 422 MARINE TRANSCEIVERS 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 We want to take a couple of moments of your time to thank you for making the IC M422 your radio of choice and hope you agree with Icom s philosophy of technology first Many hours of research and development went into the design of your IC M422 o FEATURES O Simple operation with large keys O Easy to hear speaker O Built in DSC meets RTCM SC101 requirement O Rugged waterproof construction Optional COMMANDMIC Icom Icom Inc and the logo are registered trademarks of Icom Incor porated Japan in the United States the United Kingdom Germany France Spain Russia and or other countries COMMANDMIC II is a trademark of Icom Incorporated Japan in the United states READ ALL INSTRUCTIONS carefully and completely before using the transceiver SAVE THIS INSTRUCTION MANUAL This in struction manual contains important operating instructions for the IC M422 EXPLICIT DEFINITIONS WORD DEFINITION A WARNING Personal in
27. M 157 supplied accessories Accessories included with the HM 157 Qty D Connection cable OPC 1000 6 m 20 ft 1 2 Mounting base 0 1 1 3 Microphone hanger sss 1 4 Screws x 16 tapping 5 12 COMMANDMIC II HM 157 B installation The optional HM 157 can be connected to the transceiver di rectly as well as via the supplied connection cable for longer distance remote operation The connector of the connection cable can be installed into a cabinet wall etc as a built in plug For longer distance remote operation the optional extension cable OPC 999 6 m 20 ft connecting between transceiver and the connection cable is available and up to 2 OPC 999 can be added D Insert the supplied cable into the external microphone jack and tighten the cable nut as shown below use the supplied cable as a wall socket follow the below steps 3 Using the mounting base carefully mark off the 2 spots where the cable and screws will be fastened 4 Drill holes at these marks 5 Install the mounting base using the supplied screws as shown below 2 Gasket Screw holes approx 2 d mm 352 Cap The completed installation should look like this COMMANDMIC II 157 12 2 mm 342 E t
28. NDMIC HM 157 VOLUME DIMMER PA RX SPEAKER KEY VOL PA RX 1 Push A or V to adjust the audio level after pushing VOL PA RX p 45 Push A or V to adjust the brightness of the LCD and key backlight after pushing VOL PA RX 4 for 1 sec p 47 Move the cursor backward while in the channel com ment programming condition p 51 While pushing H L push to turn the Public Address mode ON or OFF p 50 While pushing H L push for 1 sec to turn the RX Speaker mode ON or OFF p 50 SQUELCH MONITORI LOCK KEY SQL mL Push A or V to set the squelch threshold level after pushing SQL mM L p 45 Push for 1 sec to turn the monitor function ON p 47 While pushing H L push SQL mm L to toggle the microphone Key Lock function ON or OFF p 46 M appears while microphone Key Lock function is in use PWR PTT VOL SQL and H L still function when the microphone Key Lock function is turned ON Advance the cursor while in channel comment pro gramming condition p 51 ATTENUATOR INTERCOM SCRAMBLER KEY LO DXe SCR Push to toggle the Attenuator function ON or OFF p 45 LOCAL appears when the Attenuator function is turned ON Push for 1 sec to activate the Intercom function p 50 Calls the IC M422 when pushed and held while in Inter com mode p 50 NOTE Voice scrambler is not available for the IC 2 422
29. TT and speak at a normal voice level into the e TALK or WHIT appears at the channel comment indicator when is pushed or released respectively adjust the audio output level push A or V To return to normal operation push PA RX 4 16 9 and DISTRESS keys are also available While in the Public Address mode the transceiver func tions transmit and receive are interrupted If the trans ceiver is in transmit condition the Public Address function Z is not available WG OTHER FUNCTIONS 7 RX Speaker function The IC M422 has an RX Speaker function When this func tion is turned ON the received audio can be heard on the deck or tower via an external speaker or hailer Connect an external speaker or hailer as described on p 35 D Push PA RX 4 for 1 sec to enter the RX Speaker mode e RX appears To adjust the audio output level push A or W while pushing PA RX 4 F LILL LINT TAG emm 1 2 To return to normal operation push PA RX 41 for 1 sec 9 SET MODE Set mode programming Set mode is used to change the conditions of the trans ceiver s functions Scan type Scan resume timer Weather alert Dual Tri watch DSC watch Beep tone LCD backlight LCD contrast Auto acknowledgement and Radio power 72 Available functions may differ depending on dealer sett
30. WATCH Operation D Select Dualwatch or Tri watch in Set mode p 33 2 Push A or V to select the desired operating channel Push CH WX DUAL for 1 sec to start Dualwatch Tri watch e Dw blinks during Dualwatch TH blinks during Tri watch A beep tone sounds when a signal is received on Channel 16 4 To cancel Dualwatch Tri watch push CH WX DUAL again Example Operating Tri watch on INT Channel 25 _ Tri watch starts Signal is received on call channel Signal is received on Channel 16 takes priority 9 DUP GPS gt lt 1 1 Tri watch resumes after RETEGIK Tj IN the signal disappears a Dup INT GPS lt lt MMSI code programming The 9 digit MMSI Maritime Mobile Service Identity DSC self ID code can be programmed at power ON GY This function is not available when the MMSI code has ZZ been programmed by the dealer This code programming 1 can be performed only twice D Turn power OFF 2 While pushing DSC POS turn power ON to enter MMSI code programming condition 3 After the display appears release DSC POS Acursor starts blinking MM V 2 IN 4 Enter the specified MMSI code by pushing A or V Push CH WX DUAL or 16 9 to move the cursor forward or backward respectively Input 9 digit code then push DSC POS to set the cod
31. appears at the channel comment indicator Push INT i S os lt Tv Rai 5 Push DSC POS to transmit the Group call e f Channel 70 is busy the transceiver stands by until the channel becomes clear Routine category only is available 1 Transmitting 6 After the Group call has been transmitted the specified channel in step is selected automatically A lt m J TAG 1 Scrolls 7 Push and hold PTT to communicate your message to the responding ship Transmitting an All Ships call Large ships use Channel 70 as their listening channel When you want to announce a message to these ships use the Ships call function D Push DSC POS to enter the DSC menu 2 Push A or V to select ALL SHIPS Push DSC POS to enter the standby condition for All Ships call e Channel 70 is selected and appears at the channel comment indicator INT DSCOPERATION 6 4 Push DSC POS to transmit the All Ships call Routine category only is available ut Transmitting After the All Ships call has been transmitted Channel 16 is selected automatically 21 6 DSC OPERATION Transmitting a Position Request call Transmit a Position Request call when you want to know a specified ship s current position etc
32. be backlit for better visibil ity under low light conditions Display backlight is also adjustable via the Set mode p 34 While pushing SCANsTAG push A or V to adjust the brightness of the LCD and key backlight The backlight is adjustable in 7 levels and OFF 4 Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range The transceiver has Priority scan and Normal scan SCAN OPERATION When the Weather Alert function is turned ON the previously selected last used weather channel is also checked while scanning p 33 Set the TAG channels scanned channel before scanning Clear the TAG channels which inconveniently stop scanning such as those for digital communication use Refer to right page for details ZZ Choose Priority or Normal scan in Set mode p 32 PRIORITY SCAN Priority scan searches through all TAG channels in se quence while monitoring Channel 16 When a signal is de tected on Channel 16 scan pauses until the signal disap pears when a signal is detected on a channel other than Channel 16 scan becomes Dualwatch until the signal dis appears NORMAL SCAN Normal scan like Priority scan searches through all TAG channels in sequence However unlike Priority scan Channel 16 is not checked unless Channel 16 is set as a TAG channel Setting TAG channels For more efficient scanning add the desired
33. beep changes to 2 short beeps to clear all TAG channels in the channel group Repeat above procedure to set all TAG channels Starting a scan Set scan type Priority or Normal scan and scan resume timer in advance using Set mode p 32 D While pushing push CH WX U I C several times to select the desired channel group USA INT or CAN 2 Set TAG channels as described at left Make sure the squelch is closed to start a scan 4 Push SCANe to start Priority or Normal scan e 50 16 or SCAN appears at the channel comment indicator during Priority or Normal scan respectively When a signal is detected scan pauses until the signal disap pears or resumes after pausing 5 sec according to the Set mode setting Channel 16 is still monitored during Priority scan Push A or V to check the scanning TAG channels to change the scanning direction or resume the scan manually I5 blinks at the channel comment indicator and a beep tone sounds when a signal is received on Channel 16 during Priority scan 5 To stop the scan repeat step 4 During normal scan Set mode programming Set mode is used to change the condition of the transceiver s functions and the microphone s own functions Transceiver s functions Scan type Scan resume timer Weather alert Dual Tri watch tone LCD backlight LCD con
34. channels as TAG channels or clear the TAG for unwanted channels Channels that are not tagged will be skipped during scanning TAG channels can be assigned to each channel group USA INT CAN independently D Push both A and V to select the desired channel group USA INT or CAN 2 Select the desired channel to be set as a TAG channel 3 Push SCAN TAG for 1 sec to set the displayed channel as a TAG channel e TAG appears in the display 18 cancel the TAG channel setting repeat step 3 disappears V Clearing or setting all tagged channels While pushing HI LO on the microphone push SCAN TAG for 3 sec until a long beep changes to 2 short beeps to clear all TAG channels in the channel group Repeat above procedure to set all TAG channels SCANOPERATION 4 Starting a scan Set scan type Priority or Normal scan and scan resume timer in advance using Set mode p 32 D Push both A and V to select the desired channel group USA INT CAN if desired 2 Set TAG channels as described at left 3 Make sure the squelch is closed to start a scan 4 Push SCAN TAG to start Priority or Normal scan CON N e SLHN ib appears at the channel comment indicator during Pri End scan 5LHN appears at the channel comment indicator during Normal scan When a signal is detected scan pauses until the signal disap pears or resumes after pausi
35. condition before selecting the weather channel group my m a Fr M 8 Push cuwx Receiving and transmitting D Push PWR for 2 sec to turn power ON 2 Set the audio and squelch levels Push SQL MAN L then push W until the noise ap pears Push VOL PA RX 1 then push A or V to ad just the audio output level Push SQL MI L then push A until the noise dis appears 3 To change the channel group push CH WX while pushing H L p 44 4 Push A or V to select the desired channel 44 When receiving a signal appears and audio is emitted from the speaker Further adjustment of the audio level may be necessary Push LO DXe SCR to turn the receive Attenuator function ON or OFF if necessary LOCAL appears when the receive Attenuator function is in use 6 Push H L to select the output power if necessary LOW appears when low power is selected Choose low power for short range communications choose high power for longer distance communications Some channels are for low power only 7 Push and hold PTT to transmit then speak into the mi crophone hy appears Channel 70 cannot be used for transmission other than DSC Release PTT to receive COMMANDMIC II 157 12 Simplex channels 3 21 23 61 64 81 82 and 83 CAN NOT be lawfully used by the general publ
36. e Returns to the normal operation DSC OPERATION 6 B MMSI code check The 9 digit MMSI DSC self ID code can be checked Push DSC POS to enter the DSC menu 2 Push A or V to select 57 and push DSC POS lt p AERA Wi T D 1 iJi gt INT GPS CE lt 3 Check the 9 digit MMSI DSC self ID code The MMSI code is displayed and scrolls at the channel comment indicator m CCT D D ICZO30D 1 aque DJ MMSI DSC self ID code scrolls 4 Push DSC POS to exit the DSC menu 6 DSC OPERATION B DSC Address ID A total of 100 DSC address IDs 9 digit can be programmed and named with up to 7 characters Programming Address ID D Push DSC POS to enter DSC menu 2 Push A or V to select 211755 push DSC POS Push A or V to select 117 push DSC Pos Push A or V to set the 9 digit Individual Group ID Push CH WX DUAL or 16 9 to move the cursor forward or backward respectively e Push LO DXeIC to cancel and exit the condition 1 ZZ 1st digit 0 is fixed for a Group ID When you input 1st digit 0 and other 8 digits the ID is automatically registered as a Group ID WY After entering the 9 digit code push DSC POS to set up to a 7 character ID name using A or V e Push CH WX DUAL or 169 to move the cursor forward or backward respectively e Pus
37. e op erating channels continuously While pushing SCAN TAG push A or V to adjust the brightness of the LCD and key backlight p 9 Push both keys to select one of three channel groups in sequence p 6 U S A International and Canadian channels are available Checks TAG channels changes scanning direction or resumes the scan manually during scan p 11 Push A or V to adjust the audio level in Public Ad dress mode p 31 While pushing PA RX 4 push A or V to adjust the audio level in RX Speaker mode p 31 PANELDESCRIPTION 2 Microphone 5 PTT SWITCH PTT Push and hold to transmit release to receive p 7 CHANNEL UP DOWN KEYS AV V Push either key to change the operating memory chan nel Set mode settings etc pgs 5 6 32 Checks TAG channels changes scanning direction or resumes the scan manually during scan p 11 TRANSMIT POWER KEY HI LO Toggles power high and low when pushed p 7 Some channels are set to low power only While pushing HI LO turn power ON to toggle the Mi crophone Lock function ON and OFF p 9 3 4 2 PANEL DESCRIPTION Function display 9 LOW Ue CHANNEL COMMENT INDICATOR Channel comment appears and scrolls if programmed p 9 Tid or Ta blinks during Dualwatch or Tri watch re spectively p 12 S HN 15 or SCAN appears durin
38. ed w The emergency alarm sounds for 2 minutes Push any key to stop the alarm DSC appears and 51 scrolls at the channel comment indicator then Channel 16 is selected automati cally Continue monitoring Channel 16 as a coast station may re quire assistance I E y INT 1 gt GPS DSC 9 Receiving a Distress Acknowledgement While monitoring Channel 70 and a Distress acknowledge ment to other ship is received The emergency alarm sounds for 2 minutes Push any key to stop the alarm DSC appears and TISTRESS ALK scrolls at the channel comment indicator then Channel 16 is selected automatically nos T iLe nid TA IT Scrolls INT GPS DSC vH T 1 Scrolls 9 Receiving a Distress Relay call While monitoring Channel 70 and a Distress Relay acknowl edgement is received The emergency alarm sounds for 2 minutes Push any key to stop the alarm DSC appears and FL RELAY scrolls at the channel com ment indicator then Channel 16 is selected automatically m on I REL TAG scrolls INT GPS DSC 9 Receiving an Individual call While monitoring Channel 70 and an Individual call is received we The emergency alarm or beeps sound for 2 minutes de pending on the received category Push any key to stop the a
39. g Priority or Normal scan respectively p 11 In Set mode indicates and scrolls the selected item p 9 WEATHER CHANNEL INDICATOR pgs 6 33 WX appears when a weather channel is selected WX ALT appears when the Weather Alert function is in use blinks when an alert tone is received RX SPEAKER INDICATOR p 31 Appears during the RX Speaker mode LOCAL INDICATOR p 7 Appears when the Attenuator function is turned ON LOW BATTERY INDICATOR Appears when the battery voltage drops to approx 10 V DC or below Q DSC INDICATOR Indicates the DSC status DSC appears when a DSC call is received pgs 25 26 POS REPLY appears when a Position Request Reply call or Position Report Reply call is received pgs 28 29 GPS INDICATOR e Appears while valid position data is received Blinks when invalid position data is received Disappears when no GPS receiver is connected DUPLEX INDICATOR p 6 Appears when a duplex channel is selected CHANNEL NUMBER READOUT Indicates the selected operating channel number appears when a simplex channel is selected 6 we In Set mode indicates the selected condition p 32 CHANNEL GROUP INDICATOR p 6 Indicates whether a U S A USA International INT or Canadian CAN channel is in use CALL CHANNEL INDICATOR p 5 Appears when the call channel is selected BUSY INDICATOR p 7 Appears when receiving a signal or when t
40. gnal or when the squelch opens TAG CHANNEL INDICATOR p 48 Appears when a TAG channel is selected O CALL CHANNEL INDICATOR p 46 Appears when call channel is selected LOW POWER INDICATOR p 45 Appears when low power is selected Q WEATHER CHANNEL INDICATOR pgs 33 44 WX appears when a weather channel is selected WX ALT appears when the Weather Alert function is in use blinks when an alert tone is received DUPLEX INDICATOR p 44 Appears when a duplex channel is selected LOCAL INDICATOR p 45 Appears when the Attenuator function is turned ON CHANNEL COMMENT INDICATOR Channel comment appears and scrolls if programmed p 51 In or TH blinks during Dualwatch or Tri watch re spectively p 47 SCAN or SCAN appears during Priority or Normal scan respectively p 48 n Set mode indicates and scrolls the selected item p 49 SQUELCH INDICATOR p 45 Appears while noise squelch level is adjusted 9 VOLUME INDICATOR 45 Appears while audio output level is adjusted CHANNEL NUMBER READOUT Indicates the selected operating channel number appears when a simplex channel is selected p 44 In Set mode indicates the selected condition p 49 COMMANDMIC II 157 12 B KEY LOCK INDICATOR p 46 Appears while the Key Lock function is in use we Blinks while the All Key Lock function is in use CHANNEL GROUP INDICATOR p 44
41. h LO DXeIC to cancel and exit the condition A Li 6 Push DSC POS to program and exit the DSC menu 9 Deleting Address ID D Push DSC POS to enter the DSC menu Push A or V to select 7255 and push DSC POS SUP EA nT D D gt OI Push A or V to select JEL push DSC POS e When no address ID is programmed 11 is displayed 4 Push A or V to select the desired ID name for deleting and push DSC POS e PERT appears 5 Push DSC POS to delete the address ID and exit the DSC menu DSC OPERATION 6 Position indication When a GPS receiver 0183 ver 2 0 or 3 01 is con nected the transceiver displays the current position data in seconds of accuracy 183 ver 2 0 or 3 01 sentence formatters GGA GNS GLL compatible GPS receiver is required Ask your dealer about suitable GPS receivers Push DSC POS for 1 sec to display the current position Latitude and Longitude scroll in sequence at the channel com ment indicator POSITION scrolls when no GPS is connected 1 D 12 101 A __ Scrolls OI When the connected GPS receiver is compatible with several sentence formatters the order of input prece dence is RMC GGA GNS and GLL ZZ GPS blinks when the GPS data is invalid r WA
42. he RX Speaker mode e RRSP scrolls at the channel comment indicator To adjust the audio output level push A or W while pushing VOL PA RX 411 2 To cancel the RX Speaker mode repeat step e FXSP scrolls at the channel comment indicator B Channel comments D Push A or V to select a channel to program a channel comment e While pushing H L push CH WX U C several times to select the channel group USA INT CAN if desired 2 While pushing CH WXe push 1699 cursor and the first character start blinking alternately 3 Select the desired character by pushing A or V e Push SQL or VOL PA RX 4 to move the cursor forward or backward respectively 4 Repeat step 3 to input all characters 5 Push 16 9 to input and set the comment e Push CH WX U C to cancel The cursor and the character stop blinking Repeat steps D to 5 to program other channel com ments if desired Available characters Tio NN hol Of OKO 0 gm p 0 p 0 5 9 70 E OD py N09 YW S 8 soo gt Saf ur g m 9 r m mi im ed Ru x gt ES 9 lt 5 Ry N m I DM n MN 5 I3 1 S pe 2 J 2 COMMANDMIC II HM 157 12 E H
43. he readability of your trans mitted signal pause a few sec after pushing PTT hold the microphone 2 to 4 inches 5 to 10 cm from your mouth 2 and speak into the microphone at a normal voice level WA 3 BASIC OPERATION 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 D Push both A and V on the transceiver one or more times to select the desired D Pras channel group U S A In ternational or Canada to be programmed 2 Push 16 9 for 1 sec to se INS lect the call channel of the leau li selected channel group int D CALL and call channel num lt ber appear 1 3 Push 16 9 again for 3 sec until a long beep changes ear ti fo to 2 short beeps to enter in D 21 us the call channel program ming condition Channel number starts blink ing Push A V to select the desired channel 5 Push 16 9 to program the displayed channel as the call channel e Push CH WX DUAL to can cel channel number stops blinking N A uA 0071 JAMIL CALL 1 1 p SR DUP INT GPS lt e B Chan
44. he squelch opens TRANSMIT INDICATOR 7 Appears while transmitting LOW POWER INDICATOR p 7 Appears when low power is selected TAG CHANNEL INDICATOR p 11 Appears when a TAG channel is selected B Channel selection 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 moni tor Channel 16 Push 16 9 momentarily to select Channel 16 Push CH WX DUAL to return to the condition before select ing Channel 16 or push A or V to select an operating channel INT ep 01 9 LLL LIND TAG Push IE Ini 3 BASIC OPERATION Channel 9 Call channel Each regular channel group has a separate leisure use call channel The call channel is monitored during Tri watch The call channels can be programmed p 8 and are used to store your most often used channel in each channel group for quick recall Push 16 9 for 1 sec to select the call channel of the se lected channel group CALL and call channel number appear Each channel group may have an independent call channel after programming a call channel p 8 Push CH WX DUAL to return to the condition before se lecting call channel or push A or VW to select an oper ating channel Push for 1 sec
45. ic in U S A wa ters IMPORTANT To maximize the readability of your trans mitted signal voice pause a few sec after pushing PTT hold the microphone 2 to 4 inches 5 to 10 cm from your Z mouth and speak at a normal voice level Turn power EEN e Select channel eee group 7 6 Set output power Push to 1 4 transmit E volume Release Set squelch to receive O 2 Cr attenuator 2 Set volume function and squelch 9 Oie A Microphone 4 Set channel B B Select channel group 2 12 COMMANDMIC II HM 157 Call channel programming While pushing H L push CH WX U I C several times to select the desired channel group USA INT CAN to be pro grammed 2 Push 16 9 for 1 sec to select call channel of the selected channel group CALL and call channel number ap pear 3 Push 16 9 again for 3 sec until a long beep changes to 2 short beeps to enter the call channel programming condition The channel number and channel group to be programmed blinks Push A or V to select the de sired channel 5 Push 16 9 to program the dis played channel as the call chan nel The channel number stops blinking e Push CH WX to cancel B Lock functions The Lock function electronically locks keys and switches to prevent acc
46. idental changes and function access from the mi crophone All keys switches and controllers on the transceiver are functional Activating the Lock function While pushing H L push SQL mg L to turn the Lock function ON or OFF gt 18 appears B fi PWR PTT SQL MEL VOL PA RX 41 PN UO or V and SOL prgun L A or V are functional Appears Activating the All Key Lock function While pushing H L turn the P MS D power ON by pushing PWR to turn the All Key Lock function ON lt gt 455 gi e I blinks TM Ti Only PWR and PTT are func iNi tional Blinks Bi Display backlight The function display and keys can be backlit for better visibil ity under low light conditions The backlighting condition can also be adjusted independently from the transceiver D Push VOL PA RX 4 for 1 sec to enter the backlight adjusting mode with the number of the backlight level appears in the channel comment indicator 2 Push A or V to adjust the backlight level The backlight is adjustable in 7 levels and OFF B Monitor function The monitor function releases the noise squelch mute of the microphone only An independent noise squelch system is employed Blinks NY Push SQL M L for 1 sec Ium to activate the Monitor function
47. ing D Turn power OFF 2 While pushing 16 9 turn power ON to enter Set mode e CAN appears at the channel comment indicator 3 After the display appears release 16 9 Push 16 9 to select the desired item if necessary 5 Push A or V to select the desired condition of the item 6 Turn power OFF then ON again to exit Set mode SET MODE CONSTRUCTION Radio PWR Scan type Scan resume timer RADIO gt TIMER 1 Starting item 4 Auto ACK Weather alert AUT ACR ALERT A v Contrast Dual Tri watch sep FINT Lini n v Backlight Beep tone DSC watch BACKLIGHT lt BEEP 4 Est WATCH Available only when optional HM 157 is connected Set mode items 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 FO j Normal scan default Priority scan Scan resume timer The scan resume timer can be selected as a pause OFF or timer scan ON When OFF is selected the scan pauses until the signal disappears When ON is selected the scan pauses 5 sec and resumes even if a signal has been re ceived on any other channel than Channel 16 SEP Frit iil H Li i v Scan timer OFF
48. ion push LO DX IC mo mentarily lt T 16 9 and DISTRESS keys are also available i IL 27 in the Intercom mode the transceiver functions transmit and receive are interrupted If the transceiver is in transmit condition the Intercom function is not avail IC M422 HM 157 able When a DSC call is received DSC appears and the DSC message is displayed at the channel comment indi cator after the Intercom use is finished When a WX alert is received WX ALT blinks and a beep sounds The WX alert sounds after the Intercom use is finished 2 Push LO DXeIC for 1 sec again to call up the HM 157 side The transceiver and the HM 157 emit call beeps 3 Push and hold PTT and speak at a normal voice level into the microphone e TALK or LSTN appears on the caller or listener function dis play respectively adjust the IC M422 s speaker output level rotate VOL adjust the HM 157 s speaker output level push A or V after pushing VOL PA RX 4n on the HM 157 Public Address PA function The IC M422 has a Public Address function for voice amplifi cation making an announcement on board via an external speaker or hailer Connect an external speaker or hailer as described on p 35 Transmitting is not possible during Public Address mode D Push PA RX to enter the Public Address mode rir a Cu P If 2 Push and hold P
49. istance from the antenna axis that person should maintain in order to avoid RF exposure higher than the allow able MPE level set by FCC FAILURE TO OBSERVE THESE LIMITS MAY ALLOW THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF RADIATION ABSORPTION WHICH EXCEEDS THE FCC MAXIMUM PERMISSIBLE EXPOSURE MPE LIMIT IT IS THE RESPONSIBILITY OF THE RADIO OPERATOR TO ENSURE THAT THE MAXIMUM PERMISSIBLE EXPO SURE LIMITS ARE OBSERVED AT ALL TIMES DURING RADIO TRANSMISSION THE RADIO OPERATOR IS TO ENSURE THAT NO BYSTANDERS COME WITHIN THE RADIUS OF THE MAXIMUM PERMISSIBLE EXPOSURE LIMITS Determining MPE Radius THE MAXIMUM PERMISSIBLE EXPOSURE MPE RA DIUS HAS BEEN ESTIMATED TO BE A RADIUS OF ABOUT 3M PER OET BULLETIN 65 OF THE FCC THIS ESTIMATE IS MADE ASSUMING THE MAXIMUM POWER OF THE RADIO AND ANTENNAS WITH A MAXI MUM GAIN OF 9dBi ARE USED FOR A SHIP MOUNTED SYSTEM TABLE OF CONTENTS FOREWORD i 6 DSC OPERATION 13 29 12 COMMANDMIC HM 157 40 53 IMPORTANT i E MMSI code programming 18 W Panel description 40 EXPLICIT DEFINITIONS i B MMSI code check 18 W Function display 42 IN CASE OF EMERGENCY ii B DSC Address ID 14 W Channel selection 44 NOTE Lent wees ii W Position indication
50. it the condition and return to the previ ous indication before entering the DSC menu Transmitting a Position Request Reply call Transmit a Position Request Reply call when a Position Re quest call is received D When a Position Request call is received DSC appears and PEr POS REBUEST scrolls at the channel comment in dicator 2 Push DSC POS to reply to the Position Request call push other key to ignore the Position Request call Transmitting a Position Report Reply call Transmit a Position Report Reply call when a Position Report call is received D When a Position Report call is received DSC appears and POS REPORT scrolls at the channel comment indicator D dM 2 Push DSC POS to reply to the Position Report call push other key to ignore the Position Report call DSCOPERATION 6 Transmitting a Polling Request Reply call Transmit a Polling Request Reply call when a Polling Request call is received D When a Polling Request call is received DSC appears and fly POLLING REGUEST scrolls at the channel com ment indicator HP 71 Ui pa CUL INT i GPS DSC Sol m 5 2 Push DSC POS to reply to the Polling Request call push other key to ignore the Polling Request call 6 DSC OPERATION Receiving DSC calls 9 Receiving a Distress call While monitoring Channel 70 and a Distress call is receiv
51. ith the transceiver To comply with FCC regulations this sticker must be affixed in such a location as to be readily seen from the operating con trols of the radio as in the diagram below Make sure the cho sen location is clean and dry before applying the sticker p 36 EXAMPLE WARNING STICKER 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 deck and all possible personnel This is the minimum safe separation distance estimated to meet all RF exposure compliance re quirements This 5 meter distance is based on the FCC Safe Maximum Permissible Exposure MPE distance of 3 meters added to the height of an adult 2 meters and is appropriate for all vessels WARNING For watercraft without suitable structures the antenna must be mounted so as to maintain a minimum of 1 meter vertically between the antenna measured from the lowest point of the antenna to the heads of all persons AND all persons must stay outside of the 3 meter MPE radius Do not transmit with radio and antenna when persons are within the MPE radius of the antenna unless such persons such as driver or radio operator are shielded from antenna field by a grounded metallic barrier The MPE Radius is the minimum d
52. ition p 9 DSC POSITION KEY DSC POS Push to select the DSC menu p 13 Push for 1 sec to show the current position from a GPS receiver p 15 POWER VOLUME CONTROL VOL p 7 Push for 2 sec to turn power ON and OFF Rotate to adjust the audio level SQUELCH CONTROL SQL Rotate to set the squelch threshold level p 7 Q DISTRESS KEY DISTRESS Push for 5 sec to transmit a Distress call p 16 ATTENUATOR INTERCOM KEY LO DX IC Push to toggle the Attenuator function ON or OFF p 7 LOC appears when the Attenuator function is turned ON Push for 1 sec to activate an optional Intercom func tion p 30 Push and hold to calls the optional HM 157 COMMAND MIC while in Intercom mode p 30 PUBLIC ADDRESS RX SPEAKER KEY 1 Push to turn the Public Address mode ON or OFF p 31 Push for 1 sec to turn the RX Speaker mode ON or OFF p 31 SCAN KEY SCAN TAG p 11 Push to start and stop Normal or Priority scan Push for 1 sec to set or clear the displayed channel as a TAG scanned channel While pushing HI LO on the microphone push for 3 sec to clear or set all TAG channels in the selected channel group CHANNEL UP DOWN KEYS AY W IU C Push to select the operating channels Set mode set tings etc pgs 5 6 32 Push and hold A to move upward through the operat ing channels continuously Push and hold V to move downward through th
53. jections not included Weight Transmitter Output power 25 WA W Modulation system Variable reactance frequency modulation Max frequency deviation x5 0 kHz Spurious emissions Less than 70 dBc 9 Receiver Receive system Double conversion superheterodyne Sensitivity 12 dB SINAD 0 22 pV typical Squelch sensitivity 0 22 e intermodulation rejection ratio More than 70 dB Spurious response rejection ratio More than 70 dB Adjacent channel selectivity More than 70 dB Audio output power 4 5 W typical at 10 distortion with a 4 O load All stated specifications are subject to change without notice or obligation Dimensions 148 5 1346 139 3 5 1542 164 6 1542 Unit mm inch Options MB 69 FLUSH MOUNT KIT For mounting the transceiver to a panel HM 157 Commanomic 11 External microphone type controller Provides optional inter com operation 6 m 20 feet microphone cable and mount ing base included Black and white colors are available OPC 999 MICROPHONE EXTENSION CABLE 6 m 20 feet microphone extension cable for optional HM 157 17 Up to 2 OPC 999 can be connected 18 m 60 feet maximum E Panel description The optional HM 157 remotely controls the IC M422 and pro vides an optional Intercom function Front and side keys 1 2 COMMA
54. jury fire hazard or electric shock may occur CAUTION Equipment damage may occur NOTE Recommended for optimum use No risk of personal injury fire or electric shock CLEAN THE TRANSCEIVER AND MICROPHONE THOR OUGHLY WITH FRESH WATER after exposure to water including salt water otherwise the keys and switches may become inoperable due to salt crystallization IN CASE OF EMERGENCY NOTE If your vessel requires assistance contact other vessels and the Coast Guard by sending a Distress call on Channel 16 USING CHANNEL 16 nies CALL PROCEDURE MAYDAY MAYDAY 1515 name of vessel 3 Your call sign or other indication of the vessel AND 9 digit DSC ID if you have one 4 LOCATED AT your position 5 The nature of the distress and assistance required 6 Any other information which might facilitate the rescue transmit your Distress call using digital selective calling on Channel 70 USING DIGITAL SELECTIVE CALLING Ch 70 EN CALL PROCEDURE While lifting up the key cover push and hold DISTRESS for 5 sec until you hear 5 short beeps change to one long beep 2 Wait for an acknowledgment on Channel 70 from a coast station After the acknowledgement is received Channel 16 is automatically selected 3 Push and hold PTT then transmit the appropriate information as listed above A WARNING STICKER is supplied w
55. larm or beeps DSC appears and FE INIT scrolls at the chan nel comment indicator NT INT Ly A IN M LL 101 INT Afr GPS DSC Push DSC POS to reply the call and select the channel specified by the calling station for voice communication de pending on your replying condition See p 18 for Individual acknowledgement call procedure for details push any other key to ignore the call Scrolls Receiving a Group call While monitoring Channel 70 and a Group call is received w The emergency alarm or beeps sound for 2 minutes de pending on the received category Push any key to stop the alarm or beeps DSC appears and GROUP scrolls at the channel comment indicator P uou Bin GREG L scrolls INT i I GPS DSC gt Push DSCePOS to select the channel specified by the calling station for voice communication push any other key to ignore the call Receiving an All Ships call While monitoring Channel 70 and an All Ships call is received The emergency alarm sounds for 2 minutes when the cat egory is Distress or Urgency the beeps sound for 2 min utes for other categories Push any key to stop the alarm or beeps DSC appears and ALL SHIPS scrolls at the channel comment indicator Dr m NE L scrolls li i aem DSCOPERATION 6 P
56. ls or changes scanning direction during scan p 48 Push A or V to adjust the audio level during in Pub lic Address mode p 50 While pushing VOL PA RX 4 push A or V to adjust the audio level during in RX Speaker mode p 50 Q PTT SWITCH PTT p 45 Push and hold to transmit release to receive 41 12 COMMANDMIC II HM 157 Top keys POWER KEY PWR p 45 Push for 2 sec to turn the HM 157 power ON or OFF when the IC M422 power is turned ON SCAN KEY SCAN p 48 Push to start and stop Normal or Priority scan when TAG channels are programmed Push for 1 sec to set the displayed channel as TAG scanned channel While pushing H L push for sec to clear or set all TAG channels TRANSMIT POWER KEY H L Push to toggle high or low power p 45 Some Channels are set to low power only While pushing this key other keys perform secondary functions While turning power ON push to toggle the All key Lock function ON or OFF p 46 e 9 blinks while the All key Lock function is in use Only PWR and PTT are functional when the All key Lock function is in use Function display an eee 0 TAG CALL LOW L CAN ay WX ATO ela 8 LINT Pin 9 mM 3 1 L o gaa L LL LOCAL 90 TRANSMIT INDICATOR p 45 Appears while transmitting BUSY INDICATOR p 45 Appears when receiving a si
57. nel comments Memory channels can be labeled with com ments of up to 10 characters each for easy channel recogni tion Comments more than 7 characters long automatically scroll at the channel comment indicator after the channel selection Capital letters small letters except f j k p s v x z O to 9 some symbols and space can be used D Select the desired channel Cancel Dualwatch Tri watch or Scan in advance While pushing CH WXe SPERI DUAL push 16 9 to edit the channel comment s i cursor and the first char acter start blinking alter nately 3 Select the desired character by pushing A or V Push CH WX DUAL or 16 9 to move the cursor forward or backward respectively 4 Repeat step 3 to input all characters 5 Push DSC POS to input and set the comment e Push LO DX IC to cancel The cursor and the character stop blinking Repeat steps 1 to to program other channel com ments if desired BASIC OPERATION 3 Microphone Lock function The Microphone Lock function electrically locks AT W and HI LO keys on the supplied microphone This prevents ac cidental channel changes and function access While pushing HI LO on the microphone turn power ON to toggle the Lock function ON and OFF 8 1 AVIV e C HI LO Display backlight The function display and keys can
58. ng 5 sec according to Set mode setting Channel 16 is still monitored during Priority scan Push A or W to check the scanning TAG channels to change the scanning direction or resume the scan manually A tone sounds and blinks at the channel comment in dicator when a signal is received on Channel 16 during Priority scan 5 To stop the scan repeat step 4 Example Starting a Normal scan Scan starts 4A 71 7 Push Dup SCAN INT GPS INT gt lt Blinks Blinks When a signal is i NY Z eae NYZ Tro Ahi IL HN Y fib Be N O73 DUP ore Li 11 5 E Description Dualwatch monitors Channel 16 while you are receiving another channel Tri watch monitors Channel 16 and the call channel while receiving another channel Dualwatch Tri watch is convenient for monitoring Channel 16 when you are oper ating on another channel DUALWATCH TRI WATCH SIMULATION Call channel n nm ILI 117 T T nn LILI Dualwatch Tri watch If a signal is received on Channel 16 Dualwatch Tri watch pauses on Channel 16 until the signal disappears If a signal is received on the call channel during Tri watch Tri watch becomes Dualwatch until the signal disappears To transmit on the selected channel during Dualwatch Tri watch push and hold PTT DUALWATCH TRI
59. or fraudulent distress signals are prohibited and pun ishable by law PRIVACY Information overheard but not intended for you cannot law fully be used in any way Indecent or profane language is prohibited RADIO LICENSES 1 SHIP STATION LICENSE You must have a current radio station license before using the transceiver It is unlawful to operate a ship station which is not licensed Inquire through your dealer or the appropriate government agency for a Ship Radiotelephone license application This government issued license states the call sign which is your craft s identification for radio purposes OPERATING RULES 2 OPERATOR S LICENSE A Restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is not required for safety purposes The Restricted Radiotelephone Operator Permit must be posted or kept with the operator Only a licensed radio opera tor may operate a transceiver However non licensed individuals may talk over a transceiver if a licensed operator starts supervises ends the call and makes the necessary log entries Keep a copy of the current government rules and regulations handy Radio license for boaters U S A only The Telecommunications Act of 1996 permits recreational boaters to have and use a VHF marine radio EPIRB and marine radar without having an FCC ship station license Boaters traveling on international voyage
60. s having an HF single sideband radiotelephone or marine satellite termi nal or required to carry a marine radio under any other regulation must still carry an FCC ship station license For further information see the FCC Ship Radio Stations Fact Sheet 1 N 2 E Front panel PANEL DESCRIPTION Function display p 4 PWR PUSH ON epic 9 Speaker VHF NARINE DISTRESS Er CHANNEL 16 CALL CHANNEL KEY 16 9 Push to select Channel 16 p 5 Push for 1 sec to select Call channel p 5 CALL appears when Call channel is selected Push for sec to enter Call channel programming con dition when Call channel is selected p 8 While pushing CH WX DUAL push to enter the chan nel comment programming condition p 9 Move the cursor backward while the channel com ment programming condition p 9 While turning power ON push to enter Set mode p 32 CHANNEL WEATHER CHANNEL KEY CH WX DUAL Selects and toggles the regular channel and Weather channel when pushed momentarily p 6 Push for 1 sec to start Dualwatch or Tri watch p 12 w Push to stop Dualwatch or Tri watch when either is acti vated p 12 Advance the cursor while in the channel comment pro gramming cond
61. standby condition for Posi tion Report call e Channel 70 is selected and FERAJ appears at the channel comment indicator 5 Push DSC POS to transmit the Position Report call INT i GPS lt Transmitting 6 After the Position Report call has been transmitted the fol lowing indication is displayed WHIi Scrolls at the channel comment indicator SAT FL L Scrolls INT T GPS lt 7 Push any key to exit the condition and return to the previ ous indication before entering the DSC menu 6 DSC OPERATION Transmitting a Polling Request call Transmit a Polling Request call when you want to know a specific ship is in the communication area etc Push DSC POS to enter the DSC menu 2 Push A V to select POLL REGUEST push DSC Pos 3 Push A or V to select the desired pre programmed In dividual address The ID code must be set in advance p 13 Push DSC POS to enter the standby condition for Polling Request call e Channel 70 is selected and FERAJ appears at the channel comment indicator INT D GPS D GPS lt Transmitting 6 After the Polling Request call has been transmitted the fol lowing indication is displayed e WHIT scrolls at the channel comment indicator 7 Push any key to ex
62. trast and Radio PWR Microphone s own functions Beep tone LCD backlight and LCD contrast For transceiver setting 2 For microphone setting In this section instructions are for the microphone s own func tions only Refer to pgs 32 to 34 for the setting of the other functions Some functions cannot be selected from the HM 157 Entering Set mode D Turn power OFF 2 While pushing 16 91 turn power ON After a beep emission a Set mode item appears at the channel comment indicator 3 After the display appears release 169 4 Push 16 9 to select the desired item if necessary 5 Push A or V to select the desired condition of the item 6 Turn power OFF then ON again to exit Set mode COMMANDMIC II 157 12 Beep tone You can select the silent operation by turning beep tones OFF or you can have confirmation beeps sound at the push of a key by turn ing beep tones ON LCD backlight The LCD backlight brightness can be adjusted from OFF 1 dark to 7 bright e FACKL IGHT scrolls at the channel comment indicator LCD contrast The LCD contrast can be ad justable in 4 levels 1 is the lowest contrast and 4 is the highest con trast e CONTRAST scrolls at the channel comment indicator i Scrolls 12 COMMANDMIC II HM 157 Intercom operation D Push LO DXe MA SCR for 1 sec to activate the Intercom function
63. ush DSC POS to monitor Channel 16 for an announce ment from the calling vessel push any other key to ignore the call Receiving a Geographical Area call While monitoring Channel 70 and a Geographical Area call for the area you are in is received The emergency alarm or beeps sound for 2 minutes de pending on the received category Push any key to stop the alarm or beeps DSC appears and FPL BEDGRRPHILRL scrolls at the channel comment indicator INT i GPS DSC Push DSC POS to select the channel specified by the calling station for voice communication push any other key to ignore the call Monitor the selected channel for an announcement from the calling station Y When no GPS receiver is connected or if there is a prob lem with the connected receiver all Geographical Area calls are received regardless of your position 27 6 DSC OPERATION 9 Receiving a Position Request call While monitoring Channel 70 and a Position Request call is received DSC appears and FE POS REGLEST scrolls at the chan nel comment indicator w The beeps sound for 2 minutes Push any key to stop the beeps Push DSC POS to reply to the call push any other key to ignore the call 9 Receiving a Position Report call While monitoring Channel 70 and a Position Report call is re ceived e DSC appears and RC POS nel comment indicator
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