Icom IC-M503 Bedienungsanleitung

Icom Empfänger IC-M503

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INSTRUCTION MANUAL

iM503

VHF MARINE TRANSCEIVER

If your vessel requires assistance, contact other vessels and

the Coast Guard by sending a distress call on Channel 16.

Or, transmit your distress call using digital selective calling on

Channel 70 (the optional DS-100 (#02) must be installed).

USING DIGITAL SELECTIVE CALLING (Ch 70)

(DS-100 (#02) DSC CONTROLLER is required)

DISTRESS CALL PROCEDURE

1. Push and hold [DISTRESS] on the DS-100

for 5 sec. until you hear 5 short beeps

change to one long beep.

2. Wait for an acknowledgment from a coast

station.

•Channel 16 is automatically selected.

3. Push and hold [PTT], then transmit the

appropriate information as at left.

USING CHANNEL 16

DISTRESS CALL PROCEDURE

1. “MAYDAY MAYDAY MAYDAY.”

2. “THIS IS ...............” (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.

IN CASE OF EMERGENCY

Versions of the IC-M503 which display the “CE” symbol on

the serial number seal, comply with the essential requirements of the

European Radio and Telecommunication Terminal Directive

1999/5/EC.

This warning symbol indicates that this equipment operates in

non-harmonised frequency bands and/or may be subject to licensing

conditions in the country of use. Be sure to check that you have the

correct version of this radio or the correct programming of this radio,

to comply with national licensing requirements.

TABLE OF CONTENTS

IN CASE OF EMERGENCY........................i

TABLE OF CONTENTS ..............................ii

IMPORTANT ..............................................iii

CAUTIONS.................................................iii

1 OPERATING RULES .......................... 1

2 PANEL DESCRIPTION .................. 2 – 5

■ Panel description ............................. 2

■ Function display ............................... 4

■ Microphone ...................................... 5

3 BASIC OPERATION .................... 6 – 10

■ Channel selection ............................ 6

■ Receiving and transmitting .............. 8

■ Call channel programming ............... 9

■ Channel names ................................ 9

■

Optional voice scrambler operation

.. 10

4 DUALWATCH/TRI-WATCH ............... 11

■ Description ..................................... 11

■ Operation ....................................... 11

5 SCAN OPERATIONS ................. 12 – 13

■ Scan types ..................................... 12

■ Setting tag channels ...................... 13

■ Starting a scan ............................... 13

6 SET MODE ................................. 14 – 16

■ Set mode programming ................. 14

■ Set mode items .............................. 15

7 INTERCOM OPERATION ................. 17

■ Intercom operation ......................... 17

8 CONNECTIONS AND

MAINTENANCE ......................... 18 – 24

■ Unpacking ...................................... 18

■ Antenna ......................................... 18

■ Fuse replacement .......................... 18

■ Cleaning ......................................... 18

■ Connections ................................... 19

■ Microphone hanger ........................ 20

■ Mounting the transceiver ............... 21

■ Optional unit installation ................. 23

■ Dimensions ..................................... 24

9 TROUBLESHOOTING ...................... 25

10 CHANNEL LIST ................................ 26

11 SPECIFICATIONS AND OPTIONS ... 27

■ Speciﬁcations ................................. 27

■ Options .......................................... 27

12 HM-134 REMOTE-CONTROL

MICROPHONE ........................... 28-38

■ Panel description ........................... 28

■ Function display ............................. 30

■ Channel selection .......................... 32

■ Receiving and transmitting ............ 33

■ Lock functions ................................ 34

■ Display backlighting ....................... 34

■ Monitor function ............................. 34

■ Call channel programming ............. 35

■ Optional voice scrambler

operation......................................... 35

■ Starting a scan ............................... 36

■ Setting tag channels ...................... 36

■ Dualwatch/Tri-watch operation ...... 36

■ Set mode programming ................. 37

■ Intercom operation ......................... 38

■ Channel names .............................. 38

13 HM-134 CONNECTIONS AND

INSTALLATION ........................... 39-41

■ HM-134 supplied accessories .........39

■ Installation .......................................39

MB-75 TEMPLATE

INSTALLATION NOTES

iii

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-M503.

RWARNING! NEVER connect the transceiver to an AC

outlet. This may pose a fire hazard or result in an electric

shock.

NEVER connect the transceiver to a power source of more

than 15.6 V DC or using reverse polarity. This will ruin the

transceiver.

NEVER cut the DC power cable between the DC plug and

fuse holder. If an incorrect connection is made after cutting,

the transceiver may be damaged.

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 1 m away from the ship’s nav-

igation compass.

DO NOT use or place the transceiver in areas with temper-

atures below –20°C or above +60°C or, in areas subject to di-

rect sunlight, such as the cockpit.

AVOID the use of chemical agents such as benzine or al-

cohol when cleaning, as they may damage the transceiver

surfaces.

BE CAREFUL! The transceiver rear panel will become

hot when operating continuously for long periods.

BE CAREFUL! The optional HM-134 remote-control mi-

crophone’s rear panel will become hot when monitoring con-

tinuously for long periods.

Place the transceiver in a secure place to avoid inadvertent

use by children.

After exposure to salt water, clean the transceiver thoroughly

with fresh water to avoid corrosion.

CAUTIONS

IMPORTANT

OPERATING RULES

ïPRIORITIES

•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 or fraudulent distress signals are prohibited and pun-

ishable by law.

ïPRIVACY

•Information overheard but not intended for you cannot law-

fully be used in any way.

•Indecent or profane language is prohibited.

ïRADIO 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

ship’s identiﬁcation for radio purposes.

(2) OPERATOR’S LICENSE

A Restricted Radiotelephone Operator Permit is the license

most often held by small ship 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.

PANEL DESCRIPTION

■Panel description

CALLDUAL SCAN

WAT ER RESIST ANT

TAG DIAL

DIMMER

HI/LO

POWER

VOL

iM503

VHF MARINE

SQL

Speaker

Function

display

w e r t y u

io!0!1

qPOWER SWITCH [POWER]

Push to toggle the transceiver power ON and OFF.

wVOLUME CONTROL [VOL]

Adjusts the audio level. (p. 8)

eSQUELCH CONTROL [SQL]

Sets the squelch threshold level. (p. 8)

rTRANSMIT POWER SWITCH [HI/LO]

➥Push to Toggle high and low power . (p. 8)

•Some channels are set to low power only.

➥While pushing and holding this switch, other switches

perform secondary functions.

tCHANNEL SELECTOR [CHANNEL]

Rotate [CHANNEL] to select the operating channels, set

mode contents, etc. (p. 8)

yDIMMER SWITCH [DIMMER]

➥Push to select one of 8 backlighting (LCD and switches)

levels.

➥Push and hold for 1 sec. to turn the intercom mode ON.

uCALL CHANNEL SWITCH [CALL]

➥Push to select the call channel. (p. 6)

➥Push and hold for 3 sec. to enter call channel program-

ming condition. (p. 9)

➥While pushing and holding [HI/LO], enters memory

name programming condition. (p. 9)

iCHANNEL 16 SWITCH [16]

➥Push to select Channel 16. (p. 6)

➥While turning power ON, push to enter initial set mode.

(p. 14)

oDIAL SWITCH [DIAL]

➥Push to exit from Channel 16 or call channel.

(p. 6)

➥While pushing and holding [HI/LO], push to select chan-

nel group. (pgs. 6, 7)

•The “ ” EUR version has International channels only and this

function is not available.

!0 SCAN SWITCH [SCAN/TAG] (p. 13)

➥When tag channels are programmed, starts and stops

normal or priority scan.

➥Push and hold [SCAN/TAG] for 1 sec. to set the dis-

played channel as a tag (scanned) channel.

➥While pushing and holding [HI/LO], push and hold for 3

sec. to clear all tag channels.

!1 DUALWATCH/TRI-WATCH SWITCH [DUAL] (p. 11)

➥Push to start dualwatch or tri-watch.

➥When dualwatch/tri-watch is activated, push to stop

them.

PANEL DESCRIPTION

■Function display

qBUSY/TRANSMIT INDICATOR (p. 8)

➥“ ”BUSY appears when receiving a signal or when the

squelch opens.

➥“ ”TX appears while transmitting.

wPOWER INDICATOR (p. 8)

➥“ ”25W appears when high power is selected.

➥“ ”1W appears when low power is selected.

eTAG CHANNEL INDICATOR (p. 13)

Appears when a tag channel is selected.

rCHANNEL NAME INDICATOR

➥Channel comment appears if programmed. (p. 9)

➥“ ”Low Battery appears when the battery voltage drops

to approx. 10 V DC or below.

➥“ ” “ ”DUAL appears during dualwatch; TRI appears dur-

ing tri-watch. (p. 11)

➥“WAIT” appears in the IC-M503 display while transmit-

ting via the HM-134 remote-control microphone.

•In the above case, the connected HM-134 has priority.

➥“ ”LSTN appears in the IC-M503 display when pushing

the PTT switch on the HM-134, while the intercom func-

tion is activated.

tSCRAMBLER INDICATOR (p. 10)

Appears when the optional voice scrambler is activated.

yDUPLEX INDICATOR

Appears when a duplex channel is selected.

uCHANNEL NUMBER READOUT

➥Indicates the selected operating channel number. “ ”A

appears when a simplex channel is selected. (p. 6)

➥In set mode, indicates the selected condition. (pgs.

15,16)

iCHANNEL GROUP INDICATOR (p. 6)

Indicates whether an International, U.S.A., Holland, DSC

or ATIS channel is selected.

•Available channel groups depend on version.

oCALL CHANNEL INDICATOR (pgs. 6, 9)

Appears when a call channel is selected.

INT

INTINT

CALL

CALLCALL

BUSY

BUSYBUSY

25W

25W25W

TAG

TAGTAG SC

SCSC DUP

DUP

DUPDUP

CALLING

CALLINGCALLING

t y

PANEL DESCRIPTION

■Microphone

qPTT SWITCH [PTT]

Push and hold to transmit; release to receive. (p. 8)

wCHANNEL UP/DOWN SWITCHES [Y

Y]/[Z

Push either switch to change the operating memory chan-

nel, set mode contents, etc. (p. 8)

eTRANSMIT POWER SWITCH [HI/LO]

➥Same as the [HI/LO] switch on the front panel.

➥When pushed at power ON, toggles the [Y Z]/[ ] and

[HI/LO] switch functions ON and OFF.

Speaker

Microphone

3BASIC OPERATION

■Channel selection

ïChannel 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 monitor

Channel 16.

➥Push [16] to select Channel 16.

• “ ”Output power turns to 25W automatically, whenever Channel

16 is selected. For example, when selecting Channel 16 via the

dial, a scan stops at Channel 16 or [16 C] on the HM-134 is•

pushed, etc.

➥Push [DIAL] to return to the condition before selecting Chan-

nel 16, or rotate [CHANNEL] to select operating channel.

•Output power returns to the previous output power automatically.

ïCall 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. 9) and are used to store

your most often used channels in each channel group for

quick recall.

➥Push [CALL] to select the call channel of the selected

channel group.

• “CALL and call channel number appear. ”

➥Push [DIAL] to return to the condition before selecting call

channel, or rotate [CHANNEL] to select operating channel.

ïInternational channels

There are 57 International channels for the IC-M503.

qPush [DIAL] to select a regular channel.

wWhile pushing and holding [HI/LO], push [DIAL]to change

the channel group, if necessary.

• “INT appears when International channels are selected.”

eRotate the channel selector to select a channel.

• “DUP appears for duplex channels.”

INT

INTINT

25W

25W25W

DUP

DUPDUP

TAG

TAGTAG

INTL

INTLINTL

Push CALL

INT

INTINT

25W

25W25W CALL

CALL

CALLCALL

TAG

TAGTAG

CALLING

CALLINGCALLING

INT

INTINT

25W

25W25W

TAG

TAGTAG

CALLING

CALLINGCALLING

Push 16

BASIC OPERATION

ïU.S.A. channels (U.K. version only)

For the U.K. versions, there are 58 U.S.A. channels in addi-

tion to 57 International channels.

q Push [DIAL] to select a regular channel.

w While pushing and holding [HI/LO], push [DIAL] to change

the channel group.

• International and U.S.A. channels can be selected in sequence.

e Rotate the channel selector to select a channel.

• Channels are memorized separately for each channel group.

ïHolland channels (Holland version only)

For Holland versions, there are 59 Holland channels in addi-

tion to 57 International channels.

q Push [DIAL] to select a regular channel.

w While pushing and holding [HI/LO], push [DIAL] to change

the channel group.

• International and Holland channels can be selected in sequence.

e Rotate the channel selector to select a channel.

• Channels are memorized separately for each channel group.

ïATIS and DSC channels (FRG version only)

For the FRG versions, there are 57 ATIS and 57 DSC chan-

nels in addition to 57 International channels.

q Push [DIAL] to select a regular channel.

w While pushing and holding [HI/LO], push [DIAL] to change

the channel group.

• International, ATIS and DSC channels can be selected in se-

quence.

e Rotate the channel selector to select a channel.

• Channels are memorized separately for each channel group.

ATIS

ATISATIS

25W

25W25W

DUP

DUPDUP

TAG

TAGTAG

INTL

INTLINTL

HOLLAND

HOLLANDHOLLAND

1W1W

DUP

DUPDUP

INTL

INTLINTL

USA

USAUSA

25W

25W25W

TAG

TAGTAG

CCG

CCGCCG

■ Receiving and transmitting

CAUTION: Transmitting without an antenna may dam-

age the transceiver.

q Push [POWER] to turn power ON.

w 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.

e While pushing and holding [HI/LO], push [DIAL] to change

the channel group. (p. 6)

• The European version has International channels only.

r Rotate the channel selector or push [Y Z]/[ ] on the micro-

phone to select the desired channel.

• “ ”When receiving a signal, BUSY appears and audio is emitted

from the speaker.

• Further adjustment of [VOL] may be necessary at this point.

• Use the optional voice scrambler function for privacy. (p. 10)

t Push [HI/LO] to select the output power if necessary.

• “25W 1W” or “ ” appears when high or low power is selected, re-

spectively.

• Choose low power to conserve power, choose high power for

longer distance communications.

• Some channels are for low power only.

y Push and hold [PTT] to transmit, then speak into the mi-

crophone.

• “TX appears.”

• Channel 70 cannot be used for transmission (for GMDSS use).

u Release [PTT] to receive.

IMPORTANT: To maximize the readability of your trans-

mitted signal, pause a few sec. after pushing [PTT], hold

the microphone 2 to 5 cm from your mouth and speak at a

normal voice level.

CALLDUAL SCAN

WATER RESISTANT

TAG DIAL

DIMMER

HI/LO

POWER

VOL

iM503

VHF MARINE

SQL

r r t

t y u

BASIC OPERATION

■ Call channel programming

The call channel switch can be programmed to your most

often-used channels in each channel group for quick recall.

q While pushing and holding [HI/LO], push [DIAL] one or

more times to select the desired channel group (Interna-

tional, U.S.A., Holland, ATIS, DSC) to be programmed.

w Push and hold [CALL] for 3 sec. to enter the call channel

programming condition.

• Channel number starts ashing.

e Rotate the channel selector to select the desired channel.

r Push [CALL] to program the displayed channel as the call

channel.

• Push [DIAL] to cancel the programming.

• The channel number stops ashing.

■ Channel names

Memory channels can be tagged with alphanumeric names

of up to 10 characters each.

Capital letters, small letters, numerals, some symbols (! " # $

% & ' ( ) ✱+ ,– . ⁄) and spaces can be used.

q Select the desired memory channel.

• Cancel dual watch, tri-watch or scan in advance.

w While pushing and holding [HI/LO], push [CALL] to edit the

memory channel name.

• A cursor appears and blinks.

e Select the desired character by rotating the channel selec-

tor or by pushing [ ] on the microphone.Y]/[Z

• Push and hold [SCAN] or [DIAL] for cursor movement.

r Push [CALL] to input and set the name.

• The cursor disappears.

t q rRepeat steps to to program another memory channel

name, if desired.

INT

INTINT

25W

25W25W

TAG

TAGTAG

ääLEASURE

LEASURE

LEASURELEASURE

INT

INTINT

25W

25W25W CALL

CALL

CALLCALL

DUP

DUPDUP

TAG

TAGTAG

INTL

INTLINTL

INT

INTINT

25W

25W25W CALL

CALL

CALLCALL

TAG

TAGTAG

CALLING

CALLINGCALLING

BASIC OPERATION

■ Optional voice scrambler operation

ïActivating the scrambler

The optional voice scrambler provides private communica-

tions. In order to receive or send scrambled transmissions

you must rst activate the scrambler function. To activate the

function, an optional UT-98 or UT-112 is necessary. See p. 16

for selecting the unit. Ask your dealer for details.

q Select an operating channel other than Channel 16 and

70.

w While pushing and holding [HI/LO], push [DIMMER] to tog-

gle an optional scrambler function ON or OFF.

• “SC appears.”

e To turn the scrambler function OFF, repeat step w.

• “SC disappears.”

ïProgramming scrambler codes

There are 128 or 32 codes (0 to 127 or 1 to 32) available for

programming. In order to understand one another, all trans-

ceivers in your group must have the same scramble code.

This function may not be available depending on dealer set-

ting.

q Turn power OFF.

w While pushing and holding [16], turn power ON to enter

set mode.

e After the display appears, release [16].

r Push [16] one or more times to select the scrambler code

item.

• “Scrambler code appears.”

t Rotate the channel selector to select the desired scram-

bler code.

y Turn power OFF, then ON again to exit set mode.

Setmode

SetmodeSetmode

Beep

BeepBeep

Setmode

SetmodeSetmode

Scrambler

ScramblerScrambler

code

codecode

Setmode

SetmodeSetmode

Scrambler

ScramblerScrambler

code

codecode

Enter set mode

POWER

Select code

Push one or

more times.

Set mode Scrambler code item

[Example]: Programming scrambler code 127.

■Description

Dualwatch monitors Channel 16 while you are receiving an-

other channel; tri-watch monitors Channel 16 and the call

channel while receiving another channel.

■Operation

q Select the desired operating channel.

w Select dualwatch or tri-watch in set mode. (p. 15)

e Push [DUAL] to start dualwatch or tri-watch.

• “DUAL TRI” appears during dualwatch; “ ” appears during tri-

watch.

• Beep tone sounds when a signal is received on Channel 16.

• Tri-watch becomes dualwatch when receiving a signal on the call

channel.

r To cancel dualwatch/tri-watch, push [DUAL] again.

[Example]: Operating tri-watch on INT Channel 25.

DUALWATCH/TRI-WATCH SIMULATION

• 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-watch

Call channel

DUALWATCH/TRI-WATCH 4

INT

INTINT

25W

25W25W

DUP

DUPDUP

16

1616

TAG

TAGTAG

TRI

TRITRI

INT

INTINT

25W

25W25W

DUP

DUPDUP

16

1616

TAG

TAGTAG

TRI

TRITRI

BUSY

BUSYBUSY INT

INT

INTINT

25W

25W25W CALL

CALL

CALLCALL

16

1616

TAG

TAGTAG

CALLING

CALLINGCALLING

BUSY

BUSYBUSY INT

INT

INTINT

25W

25W25W

DUP

DUPDUP

16

1616

TAG

TAGTAG

CALLING

CALLINGCALLING

Tri-watch starts.

Signal is received

on call channel.

Signal received on

Channel 16 takes

priority.

Tri-watch resumes

after the signal

disappears.

■ Scan types

Scanning is an ef cient way to locate signals quickly over aﬁ

wide frequency range. The transceiver has priority scan and

normal scan.

Set the tag channels (scanned channel) before scanning.

Clear the tag channels which inconveniently stop scanning,

such as those for digital communication use.

Choose priority scan or normal scan in set mode in ad-

vance. (p. 15)

NORMAL SCAN

Normal scan, like priority scan, searches through all tag

channels in sequence. However, unlike priority scan, Chan-

nel 16 is not checked unless Channel 16 is set as a tag

channel.

CH 01 CH 02

CH 06

CH 05 CH 04

CH 03

5SCAN OPERATIONS

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.

CH 06

CH 01

CH 16

CH 02

CH 05 CH 04

CH 03

■Setting tag channels

For more efficient scanning, add desired channels as tag

channels or clear tag channels that are unwanted channels.

Channels set as non-tag channels will be skipped during

scanning. Tag channels can be assigned to each channel

group (International, U.S.A., Holland, DSC, ATIS) indepen-

dently.

qWhile pushing and holding [HI/LO], push [DIAL] one or

more times to select the desired channel group, if desired.

wSelect the desired channel to set as a tag channel.

ePush and hold [SCAN/TAG] for 1 sec. to set the displayed

channel as a tag channel.

• “TAG” appears in the function display.

rTo cancel the tag channel setting, repeat e.

• “TAG” disappears.

•Clearing all tag channels in the selected channel group

➥While pushing and holding [HI/LO], push and hold [DIAL]

for 3 sec. to clear all tag channels in the channel group.

■Starting a scan

Set scan type (priority or normal scan) and scan resume timer

in advance using set mode. (p. 15)

qSet tag channels as described at left.

wWhile pushing and holding [HI/LO], push [DIAL] one or

more times to select the desired channel group, if desired.

ePush [SCAN] to start priority or normal scan.

• “Pri scan 16 or Normal scan appears in the function display.” “ ”

•When a signal is detected, scan pauses until the signal disap-

pears or resumes after pausing 5 sec. according to set mode set-

ting. (Channel 16 is still monitored during priority scan.)

•Rotate the channel selector to check the scanning tag channels,

to change the scanning direction or resume the scan manually.

• “16” ﬂ ashes and a beep tone sounds when a signal is received

on Channel 16 during priority scan.

rTo stop the scan, push [SCAN].

• “Pri scan or Normal scan disappears.” “ ”

SCAN OPERATION

INT

INTINT

25W

25W25W

DUP

DUPDUP

TAG

TAGTAG

INTL

INTLINTL

INT

INTINT

25W

25W25W

DUP

DUPDUP

TAG

TAGTAG

Normalscan

NormalscanNormalscan

BUSY

BUSYBUSY INT

INT

INTINT

25W

25W25W

DUP

DUPDUP

TAG

TAGTAG

Normalscan

NormalscanNormalscan

SCAN

TAG

Push

Scan starts. When a signal is received

[Example]: Starting a normal scan.

6SET MODE

Push 16

Beep tone

Beep

BeepBeep

ATIS check

ATIS checkATIS check

Scan mode

Scan modeScan mode

Scan resume timer

Scan timer

Scan timerScan timer

Dual/tri watch

DUAL/TRI

DUAL/TRIDUAL/TRI

LCD contrast

LCD

LCDLCD

contrast

contrastcontrast

Internal speaker

Internal

InternalInternal

speaker

speakerspeaker

Scrambler code

Scrambler

ScramblerScrambler

code

codecode

Scrambler type

Scrambler

ScramblerScrambler

type

typetype

■Set mode programming

Set mode is used to change the conditions of the trans-

ceiver’s functions: scan mode (normal or priority), scan re-

sume timer, dualwatch/tri-watch selection, beep tone function

(transceiver or HM-134), internal speaker (transceiver or HM-

134), LCD contrast (transceiver or HM-134), scrambler code,

scrambler type and ATIS check.

•Available functions may differ depending on dealer set-

ting.

• ’The optional HM-134 has it s own settings for the beep

tone, internal speaker and LCD contrast.

qTurn power OFF.

wWhile pushing and holding [16], turn power ON to enter set

mode.

eAfter the display appears, release [16].

rPush [16] to select the desired item, if necessary.

tRotate the channel selector to select the desired condition

of the item.

yTurn power OFF, then ON again to exit set mode.

•SET MODE CONSTRUCTION

SET MODE

ïInternal speaker

When an optional external speaker is connected, the speak-

ers on the transceiver and microphone can be muted.

*Internal speaker setting is selectable on IC-M503 and HM-134

independently

ïLCD contrast

This item adjusts the contrast of the LCD in 8 steps.

*LCD contrast setting is adjustable on IC-M503 and HM-134 in-

dependently

ïScrambler code

When an optional scrambler unit is connected, the scrambler

code can be set depending on dealer setting.

When the UT-98 or UT-112 is installed, 128 or 32 codes (0 to

127 or 1 to 32) can be selected, respectively.

ïScrambler type

When an optional scrambler unit is connected, the scrambler

unit can be selected in set mode depending on dealer setting.

ïATIS check

The ATIS ID code can be checked in set mode.

Setmode

SetmodeSetmode

ATIScheck

ATIScheckATIScheck

0123456789

01234567890123456789

ATIS code

Setmode

SetmodeSetmode

Scrambler

ScramblerScrambler

type

typetype

UT-98 scrambler unit UT-112 scrambler unit

Setmode

SetmodeSetmode

Scrambler

ScramblerScrambler

code

codecode

Scrambler code 0 (UT-98 default) Scrambler code 127

Setmode

SetmodeSetmode

LCD

LCDLCD

contrast

contrastcontrast

LCD contrast 4 (default)

Setmode

SetmodeSetmode

Internal

InternalInternal

speaker

speakerspeaker

Internal speaker ON (default) Internal speaker OFF

8CONNECTIONS AND MAINTENANCE

■Unpacking

The following accessories are supplied: Qty.

qMounting bracket ............................................................ 1

wDC power cable (OPC-891) ........................................... 1

eMicrophone hanger ........................................................ 1

rMicrophone hanger cable*

(OPC-1096 : Black) ........................................................ 1

tMounting bracket knobs ................................................. 2

yMicrophone hanger screws (3 ×16 mm) ......................... 2

uMounting screws (5 ×20 mm) ......................................... 2

iFlat washers (M5) ........................................................... 2

oSpring washers (M5) ...................................................... 2

*Depending on version.

■Antenna

A key element in the performance of any communication sys-

tem is an antenna. Ask your dealer about antennas and the

best places to mount them.

■Fuse replacement

Two fuses are 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 dam-

aged fuse with a new, rated one.

■Cleaning

If the transceiver becomes dusty or dirty, wipe it clean with a

soft, dry cloth.

AVOID the use of solvents such as benzene or al-

cohol, as they may damage transceiver surfaces.

w r

CONNECTIONS AND MAINTENANCE

■Connections

qDC POWER CONNECTOR

Connects the supplied DC power cable from this connector

to an external 12 V DC power source.

CAUTION: After connecting the DC power cable and

external speaker jack, cover the connector and jack as

shown below to avoid water seeping into the transceiver.

wEXTENSION JACK

Connects to the optional DS-100 (#02) DSC CONTROLLER.

eEXTERNAL MICROPHONE CONNECTOR

Connects to the optional HM-134

REMOTE

CONTROL MICRO

PHONE

•Intercom function is available.

CAUTION: NEVER connect another microphone such

as the HM-127, etc. It may cause damage to the trans-

ceiver.

rANTENNA CONNECTOR

Connects a marine VHF antenna with a PL-259 connector

to the transceiver.

CAUTION:Transmitting without an antenna may damage

the transceiver.

tEXTERNAL SPEAKER JACK

Connects to an external speaker. See ‘ ’Options on p. 27

for available external speakers.

CONNECTIONS AND MAINTENANCE

■Microphone hanger

Rest the supplied microphone on the hanger when not in use.

Connect the OPC-1096* to the transceivers chassis and mi-

crophone hanger to use the microphone hanger function.

*Depending on version.

• Tighten the screw at xing torque 0.7 N m (6.9 kg m).ﬁ • •

• If the microphone hanger function is used, Channel 16 is se-

lected automatically when the supplied microphone is rested

on the hanger.

OPC-1096

CONNECTIONS AND MAINTENANCE

ïUsing the optional mounting bracket

An optional MB-75 FLUSH MOUNT is available for mounting

the transceiver to a at surface such as an instrument panel.ﬂ

CAUTION: KEEP the transceiver and microphone at

least 1 meter away from your ship s magnetic navigation’

compass.

qUsing the template on the last page, carefully cut a hole

into the instrument panel (or wherever you plan to mount

the controller).

wSlide the transceiver through the hole as shown below.

eAttach the 2 bolts supplied (M5 ×8 mm) on either side of

the IC-M503.

rAttach the clamps on either side of the transceiver.

• Make sure that the clamps align parallel to the transceiver body.

tTighten the end bolts on the clamps (rotate clockwise) so

that the clamps press firmly against the inside of the in-

strument control panel.

yTighten the locking nuts (rotate counterclockwise) so that

the transceiver is securely mounted in position as below.

uConnect the antenna and control cable, then return the in-

strument control panel to its original place.

CONNECTIONS AND MAINTENANCE

■Optional unit installation

CAUTION: DISCONNECT the DC power cable from the

transceiver before performing any work on the transceiver.

Otherwise, there is danger of electric shock and/or equip-

ment damage.

ïOpening the transceiver case

Follow the case opening procedure shown here when you

want to install an optional unit, etc.

qRemove the 6 screws as shown below and open the trans-

ceiver.

wRemove the 4 screws from the shielding plate, then lift up

the shielding plate.

ePlug an optional unit to the MAIN unit as shown below.

rReturn the shielding plate and assemble the units to their

original positions.

Optional unit

CONNECTIONS AND MAINTENANCE

■Dimensions

145.0 (5 23⁄ ˝32 )

165.0 (6 1⁄ ˝2)

31.4

(1 1/4˝)

53.0

(2 3/ )32˝Unit: mm (inch)

110.0 (4 11⁄ ˝32 ) 109.4 (4 5⁄ ˝16 )

TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION REF.

No power comes ON. •Bad connection to the power supply. Check the connection to the transceiver. p. 19•

No sound comes from

the speaker.

•Squelch level is too deep.

•Volume level is too low.

•Speaker has been exposed to water.

•Set squelch to the threshold point.

•Set [VOL] to a suitable level.

•Drain water from the speaker.

p. 8

—

Transmitting is impossi-

ble, or high power can er can

not be selected.

•Some channels are for low power or re-

ceive only.

•The output power is set to low.

•Change channels.

•Push [HI/LO] to select high power.

pgs.

6, 26

p. 8

Scan does not start. • “TAG” channel is not programmed. Set the desired channels as • “ ”TAG chan-

nels.

p. 13

No beep sounds. Beep tone is turned OFF. Turn the beep tone ON in SET mode. p. 15• •

Receive signal cannot

be understood.

•Optional voice scrambler is turned OFF.

•Scramble code is not set correctly.

•Turn the optional voice scrambler ON.

•Reset the scramble code.

p. 10

p. 16

Produktspezifikationen

Marke:	Icom
Kategorie:	Empfänger
Modell:	IC-M503

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