INSTRUCTION MANUALiM502VHF MARINE TRANSCEIVERThis device complies with Part 15 of the FCC rules. Operation is sub-ject to the following two conditions: (1) This device may not causeharmful interference, and (2) this device must accept any interferencereceived, including interference that may cause undesired operation.

Icom IC-M502 Instruction Manual

IC-M502

OPERATING RULES

Panel description

Function display

PANEL DESCRIPTION .......... 2

Channel selection

Microphone lock function

Receiving and transmitting

Call channel programming

BASIC OPERATION ............ 6

DUALWATCH/TRI-WATCH

Scan types

Setting tag channels

MMSI code programming

Position indication

Distress call

Transmitting DSC calls

dsc operation

Setting the distress information

DSC individual ID

Receiving DSC calls

DSC set mode

Receive messages

INTERCOM OPERATION

Set mode programming

Set mode items

Supplied accessories

Connections

Mounting the transceiver

Optional unit installation

Dimensions

TROUBLESHOOTING

CHANNEL LIST

Speciﬁcations

Options

HM-127 supplied accessories

Installation

RF attenuator function

Lock functions

Optional voice scrambler operation

Starting a scan

Channel names

HM-127 (OPTIONAL UNIT)

LOGIC unit

MAIN unit

TRANSMITTER CIRCUITS

PLL CIRCUIT

DSC CIRCUIT

PREPARATION

PLL ADJUSTMENTS

TRANSMITTER ADJUSTMENTS

RECEIVER ADJUSTMENTS

logic unit

VOL UNIT]

MAIN UNIT]

main unit

LOGIC UNIT]

PWR-CORD UNIT

instruction manual

in case of emergency

PANEL DESCRIPTION

I Function display

BASIC OPERATION

I Microphone lock function

I Receiving and transmitting

I Call channel programming

SCAN OPERATIONS

DSC OPERATION

I Position indication

I Distress call

I Transmitting DSC calls

I Setting the distress information

I DSC individual ID

I Receiving DSC calls

dsc set mode

SET MODE

I Set mode items

MAINTENANCE

I Connections

I Mounting the transceiver

I Optional unit installation

OPTIONS

MICROPHONE

I HM-127 supplied accessories

I Installation

I Channel selection

I Lock functions

I Starting a scan

I Set mode programming