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Icom IC-M57 User Manual

Icom IC-M57
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VHF
MARINE
TRANSCEIVER
C—-M57
Icom
Inc.
isiz
MARINE
TRANSCEIVER
IC
-MS7
]
OFFe
.
PWR/VOL
SQUELCH

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Icom IC-M57 Specifications

General IconGeneral
TypeVHF Marine Transceiver
Frequency Range156.000 - 163.425 MHz
Waterproof RatingIPX7
Operating Temperature-20°C to +60°C
Output Power1W / 5W
Weight300 g
ModulationFM (16K0G3E)
Current Consumption1.5 A (at 5W TX)

Summary

Instruction Manual

Unpacking

Accessories Included

Lists the accessories that are included with the IC-M57 transceiver.

Operating Rules

Priorities

Details rules regarding priority transmission and monitoring Channel 16.

Privacy

Outlines rules for information privacy and prohibited language.

Radio Licenses

Explains the necessity of ship station and operator licenses for radio use.

Front Panel Controls

Power and Volume Control

Controls the power ON/OFF and adjusts the speaker volume.

Squelch Control

Eliminates audio noise and activates RF attenuator for weak signals.

Channel Selection Controls

Includes Channel 16 switch, Dial/Mode switch, WX switch, and Channel Selector.

Transmit Controls

Includes microphone and PTT switch for transmitting messages.

Display Indicators

Function Display Indicators

Explains indicators like TX, LOW, CHANNEL, DUAL WATCH, DUPLEX, and LOW BATTERY.

Rear Panel Connections

DC Power Connector

Connects the transceiver to a 12V power source.

External Speaker Jack

Provides a jack for connecting an external 4 Ohm speaker.

Antenna Connector

Connects the transceiver to a VHF antenna using a PL-259 connector.

Receiving Modes

Basic Operation

Details the basic steps to turn on the transceiver and adjust volume and squelch.

Channel 16

Explains how to access and operate on Channel 16 for emergencies.

USA Channels

Guides on selecting and operating on USA channels using the D/MODE switch.

International Channels

Guides on selecting and operating on international channels using the D/MODE switch.

Weather Channels

Selecting Weather Channels

Details how to select and tune into weather channels using the WX switch.

Dual Watch Function

Using Dual Watch

Explains how to monitor Channel 16 while using another channel.

Transmitting

Transmitter Operation

Steps for selecting channels, transmit power, and using the PTT switch.

Call Procedures

Guidelines for using call signs and managing transmission duration and frequency.

Transmitter Restrictions

Details power limits and channel restrictions for USA and International modes.

Additional Features

Dimmer Function

Explains how to turn the function display backlighting ON or OFF using the DIM switch.

Low Battery Indicator

Warns of a low battery condition by displaying a small 'b' on the function display.

Troubleshooting

Common Problems and Solutions

Lists common issues like no power, no sound, low sensitivity, and their solutions.

Fuse Replacement

Details the location and replacement procedure for the DC power cable fuses.

Maintenance and Connections

Connections Diagram

Illustrates how to connect the microphone, speaker, antenna, and power source.

Cable Routing Recommendations

Advises on avoiding long cable runs and keeping cables away from electronic instruments.

Available Options

Lists optional accessories like handset kits and external speakers for the transceiver.

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