User manual ICOM IC-M45A

[. . . ] INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM45A FOREWORD Thank you for purchasing this Icom product. The IC-M45A VHF MARINE TRANSCEIVER is designed and built with Icom's superior technology and craftsmanship. With proper care this product should provide you with years of trouble-free operation. FEATURES  Durable, water-resistant construction  Dual watch and tri-watch functions Built tough to withstand the punishing marine environment, the IC-M45A offers reliability you can count on. IMPORTANT READ ALL INSTRUCTIONS pletely before using the transceiver. carefully and com- Convenient functions which allow you to monitor the distress channel (ch 16) while receiving a channel of your choice--dual watch; or monitor the distress channel and another channel while receiving a channel of your choice--tri-watch. [. . . ] 7) u POWER/VOLUME CONTROL [PWR/VOL] Turns power ON and OFF and adjusts the audio output level. q CHANNEL UP/DOWN SWITCHES [Y]/[Z] Select an operating channel in the selected channel group. · These switches can be used instead of the transceiver's [UP]/[DN] switches. w HIGH/LOW POWER SWITCH [HI/LO] The same function as the transceiver's [H/L] switch--toggles between high and low output powers. · Pushing this key at power ON turns the microphone keys ON/OFF. 3 2 PANEL DESCRIPTION I Function display q w e r t y T X BUSY !2 !1 LOW CALL CANUSA INT WX ALT !0 o TAG DUALTRI SCAN DUP u i q TRANSMIT INDICATOR Appears while transmitting. 8) w BUSY INDICATOR Appears when receiving a signal or when [SQUELCH] is rotated too far clockwise. 5, 6) r TAG CHANNEL INDICATOR Appears when the selected channel is set as a tag channel. 9) t DUALWATCH INDICATOR Appears and flashes during dualwatch operation. 7) y TRI-WATCH INDICATOR Appears and flashes during tri-watch operation. 9) 4 i DUPLEX INDICATOR Appears when the selected channel is a duplex channel. 6) o CALL CHANNEL INDICATOR Appears when the call channel is selected. 5) !0 WEATHER ALERT INDICATOR "ALT" appears when a weather alert function is turned ON. 8) BASIC OPERATION I Power ON Rotate [PWR/VOL] clockwise to turn power ON. T X BUSY 3 I Channel selection D Channel 16 Channel 16 is the distress channel. It is used for establishing initial contact with another station and for emergency communications. While standing by you are required to monitor channel 16. Push 16 LOW CALL CANUSA INT WX ALT TAG DUALTRI SCAN SCRM DUP ACK RCV All display indications appear briefly. USA USA Channel 16 is automatically selected. or hang the microphone on the microphone hanger. Operate the transceiver as indicated in the following sections. D Call channel The call channel is used to store your most often-used channel for quick recall. The default setting for the call channel is channel 9 which is for leisure boat use. A separate call channel can be set for each channel group (USA, CAN and INT). 9 D Low voltage indicator When "b" appears and flashes as shown at right, there is a DC power source problem. In this case, check your vessel's battery and DC power cable. USA Push for 1 sec. 16 CALL USA "CALL" indicates that the call channel is selected. 5 3 BASIC OPERATION D Weather channels There are 10 weather channels. These are used for monitoring NOAA (National Oceanographic and Atmospheric Administration) weather broadcasts. Push CH WX WX D USA, Canadian and international channels There are 57 USA, 57 Canadian and 57 international channels. Depending on your preference, select dual watch or tri-watch in advance in SET mode (p. Dual watch is the default setting. Checking channel 16 and the call channel every 2 sec. When receiving a signal on the call channel, the call channel is monitored while checking ch 16 in 2 sec. intervals. When receiving a signal on channel 16, channel 16 has priority. BUSY TRI USA Push any switch to cancel dual/tri-watch and return to normal operation. 7 3 BASIC OPERATION I Transmitting Before transmitting, read the call procedures at right. CALL PROCEDURES You must identify yourself when you transmit and you must respect time limits. 1) Give your call sign each time you call another vessel or a coast station. If you have no call sign, identify the station by giving the vessel name and the name of the license. 2) Give your call sign at the end of each transmission that lasts more than 3 minutes. [. . . ] 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, rated one. Fuse rating: 10 A I Cleaning If the transceiver becomes dusty or dirty, wipe it clean with a dry, soft cloth. AVOID the use of solvents such as benzene or alcohol, as they may damage transceiver surfaces. 13 5 CONNECTIONS AND MAINTENANCE I Connections r w e q q DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V DC power source. w ANTENNA CONNECTOR Connects a marine VHF antenna with a PL-259 connector to the transceiver.  CAUTION: Transmitting without an antenna will damage the transceiver. e EXTERNAL SPEAKER JACK Connects to an external speaker. [. . . ]