Icom IC-M504 User Manual

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INSTRUCTION MANUAL

iM504

VHF MARINE TRANSCEIVER

FOREWORD

Thank you for purchasing this Icom product. The IC-M504

VHF MARINE TRANSCEIVER

is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product should provide you with years of troublefree operation.

We want to take a couple of moments of your time to thank you for making the IC-M504 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-M504.

FEATURES

❍ Simple operation with large keys

❍ Easy to hear speaker

❍ Built-in DSC meets ITU Class D requirement

❍ Rugged waterproof construction

❍ Optional COMMANDMIC (HM-162/HM-157) are

available

IMPORTANT

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-M504.

EXPLICIT DEFINITIONS

WORD DEFINITION

R WARNING!

CAUTION

NOTE

Personal injury, ﬁre hazard or electric shock may occur.

Equipment damage may occur.

Recommended for optimum use. No risk of personal injury, ﬁre or electric shock.

CLEAN THE TRANSCEIVER AND MICROPHONE THOROUGHLY WITH FRESH WATER after exposure to water

including salt, otherwise, the keys and switch may become inoperable due to salt crystallization.

Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries. COMMANDMIC II and COMMANDMIC III is a trademark of Icom Incorporated (Japan) in the United States.

IN CASE OF EMERGENCY

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.

NOTE

A WARNING STICKER is supplied with the transceiver. To comply with FCC regulations, this sticker must be afﬁxed in such a location as to be readily seen from the operating controls of the radio as in the diagram below. Make sure the chosen location is clean and dry before applying the sticker.

EXAMPLE

WARNING STICKER

USING DIGITAL SELECTIVE CALLING (Ch 70)

DISTRESS CALL PROCEDURE

1. 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 auto-

matically selected.

3. Push and hold [PTT], then transmit the appropriate information as listed above.

USING CHANNEL 16

DISTRESS CALL PROCEDURE

1. “MAYDAY MAYDAY MAYDAY.”

2. “THIS IS ...............” (name of vessel).

3. Say your call sign or other indication of the vessel (AND 9-digit DSC ID if you have one).

4. “LOCATED AT ...............” (your position).

5. State the nature of the distress and assistance required.

6. Give any other information which might facilitate the rescue.

iii

RADIO OPERATOR WARNING

Icom requires the radio operator to meet the FCC Requirements for Radio Frequency Exposure. 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 requirements. 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.

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 distance from the antenna axis that person should maintain in order to avoid RF exposure higher than the allowable MPE level set by FCC.

WARNING

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 EXPOSURE 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) RADIUS 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 MAXIMUM GAIN OF 9dBi ARE USED FOR A SHIP MOUNTED SYSTEM.

FOREWORD …………………………………………………………… i IMPORTANT …………………………………………………………… i EXPLICIT DEFINITIONS ……………………………………………… i IN CASE OF EMERGENCY…………………………………………… ii NOTE …………………………………………………………………… ii RADIO OPERATOR WARNING ……………………………………… iii TABLE OF CONTENTS ……………………………………………… iv PRECAUTIONS ………………………………………………………… v

1 OPERATING RULES ……………………………………………… 1 2 PANEL DESCRIPTION ………………………………………… 2–5

■ Front panel ……………………………………………………… 2

■ Function display ………………………………………………… 4

■ Microphone ……………………………………………………… 5

3 BASIC OPERATION…………………………………………… 6–11

■ Channel selection ……………………………………………… 6

■ Receiving and transmitting……………………………………… 8

■ Call channel programming ……………………………………… 9

■ Channel comments …………………………………………… 10

■ Microphone Lock function …………………………………… 10

■ Display backlight ……………………………………………… 10

■ Optional voice scrambler operation ………………………… 11

4 SCAN OPERATION ………………………………………… 12–13

■ Scan types ……………………………………………………… 12

■ Setting TAG channels ………………………………………… 13

■ Starting a scan ………………………………………………… 13

5 DUALWATCH/TRI-WATCH ……………………………………… 14

■ Description ……………………………………………………… 14

■ Operation ……………………………………………………… 14

6 DSC OPERATION …………………………………………… 15–49

■ MMSI code programming……………………………………… 15

■ MMSI code check ……………………………………………… 16

■ DSC address ID………………………………………………… 17

■ Position and time programming ……………………………… 21

■ Position and time indication …………………………………… 22

■ GPS information indication …………………………………… 22

■ Distress call …………………………………………………… 23

■ Transmitting DSC calls ………………………………………… 26

■ Receiving DSC calls …………………………………………… 41

■ Received messages …………………………………………… 45

■ DSC Set mode ………………………………………………… 47

7 OTHER FUNCTIONS………………………………………… 50–54

■ Intercom operation …………………………………………… 50

■ RX Speaker function …………………………………………… 51

■ Hailer operation ………………………………………………… 52

■ Automatic foghorn function …………………………………… 53

8 SET MODE …………………………………………………… 55–57

■ Set mode programming ……………………………………… 55

■ Set mode items ………………………………………………… 55

9 CONNECTIONS AND MAINTENANCE …………………… 58–64

■ Connections …………………………………………………… 58

■ Supplied accessories ………………………………………… 59

■ Antenna ………………………………………………………… 59

■ Fuse replacement ……………………………………………… 59

■ Mounting the transceiver ……………………………………… 60

■ MB-75 installation ……………………………………………… 61

■ UT-112/UT-98 installation……………………………………… 62

■ HM-162/HM-157 installation ………………………………… 63

10 TROUBLESHOOTING …………………………………………… 67 11 SPECIFICATIONS AND OPTIONS …………………………… 68

■ Speciﬁcations …………………………………………………… 68

■ Options ………………………………………………………… 69

12 CHANNEL LIST ………………………………………………… 70

TEMPLATE

TABLE OF CONTENTS

1 2 3 4 5 6 7 8 9 10 11 12

PRECAUTIONS

RWARNING! 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 transceiver.

NEVER cut the DC power cable between the DC plug at the

back of the transceiver 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 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°C) 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 the optional HM-162

COMMANDMIC III

™/HM-157

COMMANDMIC II

™ employ waterproof construction, which corresponds to IPX8 of the international standard IEC 60529 (2001). 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.

OPERATING RULES

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 or fraudulent distress signals are prohibited and punishable by law.

PRIVACY

• Information overheard but not intended for you cannot lawfully 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.

(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 operator 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 voyages, having an HF single sideband radiotelephone or marine satellite terminal, 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.

PANEL DESCRIPTION

■ Front panel

q DISTRESS KEY [DISTRESS]

Push for 5 sec. to transmit a Distress call. (p. 23)

w DSC MENU KEY [MENU]

Push to toggle the DSC menu appear or disappear. (p. 15)

e CLEAR KEY [CLR]

Push to cancel the entered function, exit Set mode. (p. 55)

r HAIL/RX SPEAKER KEY [HAIL•RX ]

➥ Push to turn the hailer mode ON or OFF. (p. 52) ➥ Push and hold for 1 sec. to turn the RX Speaker mode

ON or OFF. (p. 51)

➥ While pushing and holding [H/L], push to turn the auto

foghorn function ON. (p. 54)

t ATTENUATOR/INTERCOM KEY [LO/DX•IC•SCRM]

➥ Push to turn the Attenuator function ON or OFF. (p. 8)

•“

LLOOCC

” appears when the Attenuator function is turned ON.

➥ Push and hold for 1 sec. to activate an optional Inter-

com function. (p. 50)

➥ Push and hold to call the optional command micro-

phone while in Intercom mode. (p. 50)

➥ While pushing and holding [H/L], push to turn the voice

scrambler function ON or OFF. (p. 11)

y CHANNEL 16/CALL CHANNEL KEY [16•9]

➥ Push to select Channel 16. (p. 6) ➥ Push and hold for 1 sec. to select Call channel. (p. 6)

•“

CCAALLLL

” appears when Call channel is selected.

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

ming condition when Call channel is selected. (p. 9)

➥ While pushing and holding [H/L], push to enter the

channel comment programming condition. (p. 10)

➥ Advance the cursor while in the channel comment pro-

gramming condition. (p. 10)

➥ While turning power ON, push to enter Set mode.

(p. 55)

Function display (p. 4)Speaker

uio!0!1

Depends on version

PANEL DESCRIPTION

u CHANNEL SELECTOR [DIAL•ENTER]

➥ Rotate to select the operating channels, Set mode set-

tings, etc. (pgs. 6–8, 55)

➥ While pushing and holding [H/L], rotate to adjust the

brightness of the LCD and key backlight. (p. 10)

➥ Push to enter the input channel comment, selected

item, etc. (pgs. 10, 55)

➥ Rotate to check TAG channels, changes scanning di-

rection or resumes the scan manually during scan. (p. 13)

➥ While pushing and holding [HAIL•RX ], rotate to ad-

just the audio level in RX Speaker mode. (p. 51)

➥ Push and hold for 1 sec. to display the GPS information

when a GPS receiver is connected. (p. 22)

i CHANNEL/WEATHER CHANNEL KEY

[CH/WX•DUAL•U/I/C]

➥ Selects and toggles the regular channel and Weather

channel when pushed momentarily. (p. 7)

➥ Push and hold for 1 sec. to start Dualwatch or Tri-watch.

(p. 14)

➥ Push to stop Dualwatch or Tri-watch when either is acti-

vated. (p. 14)

➥ Move the cursor backward while in the channel com-

ment programming condition. (p. 10)

➥ While pushing and holding [H/L], push to select one of

three channel groups in sequence. (p. 7)

• U.S.A., International and Canadian channels are available.

o SQUELCH CONTROL [SQL]

Rotate to set the squelch threshold level. (p. 8)

!0 SCAN/TAG KEY [SCAN•TAG] (p. 13)

➥ Push to start and stop Normal or Priority scan. ➥ Push and hold for 1 sec. to set or clear the displayed

channel as a TAG (scanned) channel.

➥ While pushing and holding [H/L], push for 3 sec. to

clear or set all TAG channels in the selected channel group.

!1 VOLUME CONTROL [VOL] (p. 8)

Rotate to adjust the audio level.

!2 TRANSMIT POWER KEY [H/L]

➥ Push to toggle the power high or low. (p. 8)

• Some channels are set to low power only.

➥ While pushing this key, some keys perform secondary

functions.

!3 POWER KEY [POWER] (p. 8)

➥ Push to turn power ON. ➥ Push and hold for 1 sec. to turn power OFF.

2 PANEL DESCRIPTION

■ Function display

q RX SPEAKER INDICATOR (p. 51)

Appears during the RX Speaker mode.

w POWER INDICATOR (p. 8)

➥ “

2255WW

” appears when high power is selected.

➥ “

11WW

” appears when low power is selected.

e TAG CHANNEL INDICATOR (p. 13)

Appears when a TAG channel is selected.

r DUPLEX INDICATOR (p. 7)

Appears when a duplex channel is selected.

t CHANNEL GROUP INDICATOR (p. 7)

Indicates whether an U.S.A. “

UUSSAA

,” International “

IINNTT

,”

Canadian “

CCAANN

” or weather “

WWXX

” channel is in use.

y CALL CHANNEL INDICATOR (pgs. 6, 9)

Appears when the call channel is selected.

u LOW BATTERY INDICATOR

Blinks when the battery voltage drops to approx. 10 V DC or below.

i CHANNEL NUMBER READOUT

Indicates the selected operating channel number.

o CHANNEL COMMENT INDICATOR

Channel comment appears if programmed. (p. 10)

!0 TIME ZONE INDICATOR

➥ Shows the current time data when a GPS receiver is

connected.

•“

????

” may blink every 2 sec. instead of current time data when

the GPS current time data is invalid.

•“

????

” may blink every 2 sec. instead of current time data 4 hours after the time data is input manually, up until 23.5 hours have past.

➥ “

LLooccaall

” appears when the offset time data is set.

(p. 47)

➥ “

NNoo TTiimmee

” appears when no GPS receiver is con-

nected and no time data is input manually.

BUSY 25W INT CALL LOC RX DUP SCRAM TAG NORMAL SCAN

-34°34.506N

123°23.236W Local 1:10 CALLING

qwert y

!5 !4

PANEL DESCRIPTION

!1 POSITION INDICATOR

➥ Shows the GPS position data.

•“

????

” may blink every 2 sec. instead of position data when the GPS position data is invalid. In such a case, the last position data is held for up to 23.5 hours.

•“

????

” may blink every 2 sec. instead of position data 4 hours after the position data is input manually, up until 23.5 hours have past.

➥ “

NNoo PPoossiittiioonn

” appears when no GPS receiver is

connected and no position data is input manually.

!2 SCAN INDICATOR

➥ “

PPRRII--SSCCAANN 1166

” appears during Priority scan;

“

NNOORRMMAALL SSCCAANN

” appears during Normal scan. (p. 13)

➥ “

DDUUAALL 1166

” appears during Dualwatch; “

TTRRII 1166

” ap-

pears during Tri-watch. (p. 14)

!3 SCRAMBLER INDICATOR (p. 11)

Appears when the voice scrambler function is activated. (only when the optional scrambler unit is installed.)

!4 LOCAL INDICATOR (p. 8)

Appears when the Attenuator function is turned ON.

!5 BUSY/TRANSMIT INDICATOR (p. 8)

➥ “

BBUUSSYY

” appears when receiving a signal or when the

squelch opens.

➥ “

TTXX

” appears while transmitting.

■ Microphone

q PTT SWITCH [PTT]

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

w CHANNEL UP/DOWN KEYS [YY]/[ZZ]

➥ Push either key to change the operating memory chan-

nel, Set mode settings, etc. (pgs. 6, 7, 55)

➥ Checks TAG channels, changes scanning direction or

resumes the scan manually during scan. (p. 13)

e TRANSMIT POWER KEY [HI/LO]

➥ Toggles power high and low when pushed. (p. 8)

• Some channels are set to low power only.

➥ While pushing and holding [HI/LO], turn power ON to

toggle the Microphone Lock function ON and OFF. (p. 10)

Microphone

BASIC OPERATION

■ Channel selection

ïï

Channel 16

Channel 16 is the distress and safety channel. It is used for establishing initial contact with a station and for emergency communications. Channel 16 is monitored during both Dualwatch and Tri-watch. While standing by, you must monitor Channel 16.

➥ Push [16•9] momentarily to select Channel 16. ➥ Push [CH/WX•DUAL•U/I/C] to return to the condition before

selecting Channel 16, or rotate [DIAL] to select an operating channel.

ïï

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. 9) 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.

•“

CCAALLLL

” and call channel number appear.

• Each channel group may have an independent call channel after programming a call channel. (p. 9)

➥ Push [CH/WX•DUAL•U/I/C] to return to the condition be-

fore selecting call channel, or rotate [DIAL] to select an operating channel.

25W25W INTINT CALLCALL

TAGTAG

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 CALLINGCALLING

Push

for 1 sec.

25W INT

TAG

34°34.506N

123°23.236W

UTC 12:00 CALLING

Push

BASIC OPERATION

ïï

U.S.A., international and Canadian channels

The IC-M504 is pre-programmed with 57 U.S.A., 57 international and 61 Canadian channels. These channel groups may be speciﬁed for the operating area.

q Push [CH/WX•DUAL•U/I/C] to select a regular channel.

• If a weather channel appears, push [CH/WX•DUAL•U/I/C] again.

w While pushing and holding [H/L], push [CH/WX•DUAL•

U/I/C] to change the channel group, if necessary.

• U.S.A., International and Canadian channel groups can be selected in sequence.

e Rotate [DIAL] to select a channel.

•“

DDUUPP

” appears for duplex channels.

ïï

Weather channels

The IC-M504 has 10 pre-programmed weather channels. These are used for monitoring broadcasts from NOAA (National Oceanographic and Atmospheric Administration.)

The transceiver can automatically detect a weather alert tone on the selected weather channel while receiving the channel, during standby on a regular channel or while scanning. (p. 56)

q Push [CH/WX•DUAL•U/I/C] once or twice to select a

weather channel.

•“

WWXX

” appears when a weather channel is selected.

• “

WWXX AALLEERRTT

” appears when the Weather Alert function is in

use. (p. 56)

w Rotate [DIAL] to select a channel.

WXWX ALERTALERT

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00163163.275MHz.275MHz

WXWX

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00163163.275MHz.275MHz

Push once or twice

When weather alert is OFF. When weather alert is ON.

25W25W USAUSA

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 PORTPORT OPROPR

25W25W INTINT

DUPDUP

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 TELEPHONETELEPHONE

25W25W CANCAN

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 CCGCCG

Push +

3 BASIC OPERATION

■ 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 [H/L], push [CH/WX•DUAL•

U/I/C] to change the channel group. (p. 7)

r Rotate [DIAL] to select the desired channel. (pgs. 6, 7)

• When receiving a signal, “

BBUUSSYY

” appears and audio is emitted

from the speaker.

• Further adjustment of [VOL] may be necessary.

t Push [LO/DX•IC•SCRM] to turn the receive Attenuator

function ON or OFF, if necessary.

•“

LLOOCC

” appears when the receive Attenuator function is in use.

y Push [H/L] to select the output power if necessary.

•“

2255WW

” or “

11WW

” appears when high or low power is selected, re-

spectively.

• Choose low power for short range communications, choose high power for longer distance communications.

• Some channels are for low power only.

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

crophone.

•“

TTXX

” appears.

• Channel 70 cannot be used for transmission other than DSC.

i Release [PTT] to receive.

Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN- NOT be lawfully used by the general public in U.S.A. waters.

IMPORTANT: To maximize the readability of your transmitted signal, pause a few sec. after pushing [PTT], hold the microphone 2 to 4 inches (5 to 10 cm) from your mouth and speak into the microphone at a normal voice level.

Microphone

reww

rey

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.

q While pushing and holding

[H/L], push [CH/WX•DUAL• U/I/C] one or more times to

select the desired channel group (U.S.A., International or Canada) to be programmed.

w Push [16•9] for 1 sec. to se-

lect the call channel of the selected channel group.

•“

CCAALLLL

” and call channel

number appear.

e Push [16•9] again for 3 sec.

(until a long beep changes to 2 short beeps) to enter call channel programming.

• Channel number starts blinking.

r Rotate [DIAL] to select the

desired channel.

t Push [16•9] to program the

displayed channel as the call channel.

• Push [CLR] to cancel.

• The channel number stops blinking.

25W25W INTINT

DUPDUP

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 INTLINTL

25W25W INTINT CALLCALL

TAGTAG

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 CALLINGCALLING

25W25W INTINT CALLCALL

TAGTAG

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 CALLINGCALLING

25W25W INTINT CALLCALL

DUDUP

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 INTLINTL

25W25W INTINT CALLCALL

DUPDUP

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 INTLINTL

3 BASIC OPERATION

■ Channel comments

Memory channels can be labelled with a unique alphanumeric ID of up to 10 characters.

Capital letters, small letters, 0 to 9, some symbols (– . /) and space can be used.

q Select the desired channel.

• Cancel Dualwatch, Tri-watch or Scan in advance.

w While pushing and holding [H/L], push [16•9] to edit the

channel comment.

• A cursor and the first character start blinking alternately.

e Select the desired charac-

ter by rotating [DIAL].

• Push [16•9] or [CH/WX• DUAL•U/I/C] to move the cursor forward or backward, respectively.

r Repeat step e to input all characters. t Push [DIAL•ENTER] to input and set the comment.

• Push [CLR] to cancel.

• The cursor and the character stop blinking.

y Repeat steps q to t to program other channel com-

ments, if desired.

■ Microphone Lock function

The Microphone Lock function electrically locks [Y]/[Z] and [HI/LO] keys on the supplied microphone. This prevents ac-

cidental channel changes and function access.

➥ While pushing and holding [HI/LO] on the microphone, turn

power ON to toggle the Lock function ON and OFF.

■ Display backlight

The function display and keys can be backlit for better visibility under low light conditions.

➥ While pushing and holding [H/L], rotate [DIAL] to adjust

the brightness of the LCD and key backlight.

• The backlight is adjustable in 7 levels and OFF.

[HI/LO]

[Y]/[Z]

25W25W INTINT

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00PLEASURE__PLEASURE__

BASIC OPERATION

■ Optional voice scrambler operation

Activating the scrambler

The optional voice scrambler provides private communications. In order to receive or send scrambled transmissions you must ﬁrst activate the scrambler function. To activate the function, an optional scrambler unit is necessary. See pgs. 57, 62 for setting the scrambler unit. Ask your dealer for details.

The scrambler function automatically turns OFF when Channel 16 or 70 is selected.

q Rotate [DIAL] to select an operating channel other than

Channel 16 and 70.

w While pushing and holding [H/L], push [LO/DX•IC•SCRM]

to turn the optional scrambler function ON.

•“

SSCCRRAAMM

” appears.

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

•“

SSCCRRAAMM

” disappears.

Programming scrambler codes

There are 32 codes (1 to 32) or 128 codes (0 to 127)* available for programming when an optional scrambler unit is installed. In order to understand one another, all transceivers in your group must have the same scramble code. This function may not be available depending on dealer setting.

*Depends on the installed scrambler unit.

q Turn power OFF. w While pushing [16•9], turn power ON to enter set mode. e After the display appears, release [16•9]. r Rotate [DIAL] to select the “

SSccrraammbblleerr CCooddee

,” push

[DIAL•ENTER].

t Rotate [DIAL] to select the desired scrambler code. y Push [DIAL•ENTER] to set and exit the scrambler code

item.

u Push [CLR], or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER] to exit set mode.

--Set Mode-Scrambler Code ˘5

4 3 2 1

<ENT˘OK>

--Set Mode-Dual/Tri Beep Contrast Foghorn Frequency Radio Power Scrambler Type

˘Scrambler Code

--Set Mode--

˘Scan Type

Scan Timer WX Alert Dual/Tri Beep Contrast Foghorn Frequency

to enter set mode.

Push

to select code, then push.

Rotate

to select item, then push.

Rotate

Select

[Example]: Programming scrambler code 5.

SCAN OPERATION

■ Scan types

Scanning is an efﬁcient way to locate signals quickly over a wide frequency range. The transceiver has Priority scan and Normal scan.

When the Weather Alert function is turned ON, the previously selected (last used) weather channel is also checked while scanning. (p. 56)

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.)

Choose Priority or Normal scan in Set mode. (p. 55)

PRIORITY SCAN

Priority scan searches through all TAG channels in sequence while monitoring Channel 16. When a signal is detected on Channel 16, scan pauses until the signal disappears; when a signal is detected on a channel other than Channel 16, scan becomes Dualwatch until the signal disappears.

CH 06

CH 01

CH 16

CH 02

CH 05 CH 04

CH 03

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.

CH 01 CH 02

CH 06

CH 05 CH 04

CH 03

SCAN OPERATION

■ Setting TAG channels

For more efﬁcient scanning, add the desired 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.

q While pushing and holding [H/L], push [CH/WX•DUAL•U/I/C]

to select the desired channel group (USA, INT or CAN.)

w Select the desired channel to be set as a TAG channel. e Push [SCAN•TAG] for 1 sec. to set the displayed channel

as a TAG channel.

•“

TTAAGG

” appears in the display.

r To cancel the TAG channel setting, repeat step e.

•“

TTAAGG

” disappears.

✔ Clearing (or setting) all tagged channels

While pushing and holding [H/L], push [SCAN•TAG] for 3 sec. (until a long beep changes to 2 short beeps) to clear all TAG channels setting 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. 55)

q While pushing and holding [H/L], push [CH/WX•DUAL•

U/I/C] to select the desired channel group (USA, INT,

CAN) if desired.

w Set TAG channels as described at left. e Make sure the squelch is closed to start a scan. r Push [SCAN•TAG] to start Priority or Normal scan.

•“

PPRRII--SSCCAANN 1166

” appears at the channel comment indicator

during Priority scan.

•“

NNOORRMMAALL SSCCAANN

” appears at the channel comment indicator

during Normal scan.

• When a signal is detected, scan pauses until the signal disappears or resumes after pausing 5 sec. according to Set mode setting. (Channel 16 is still monitored during Priority scan.)

• Rotate [DIAL] to check the scanning TAG channels, to change the scanning direction or resume the scan manually.

• A beep tone sounds and “

1166

” blinks at the channel comment indicator when a signal is received on Channel 16 during Priority scan.

Push

Scan starts. When a signal is received

25W25W INTINT

DUPDUP

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 INTLINTL

BUSYBUSY 25W25W INTINT

DUPDUP

NORMALNORMAL SCANSCAN

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 SAFETYSAFETY

25W25W INTINT

DUPDUP

TAGTAG

NORMALNORMAL SCANSCAN

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00

[Example]: Starting a normal scan.

DUALWATCH/TRI-WATCH

■ Description

Dualwatch monitors Channel 16 while you are receiving on another channel; Tri-watch monitors Channel 16 and the call channel while receiving another channel. Dualwatch/Triwatch is convenient for monitoring Channel 16 when you are operating on another channel.

■ Operation

q Select Dualwatch or Tri-watch in Set mode. (p. 56) w Rotate [DIAL] to select the desired operating channel. e Push [CH/WX•DUAL•U/I/C] for 1 sec. to start Dualwatch

or Tri-watch.

•“

DDUUAALL 1166

” appears during Dualwatch; “

TTRRII 1166

” appears dur-

ing Tri-watch.

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

r To cancel Dualwatch/Tri-watch, push [CH/WX•DUAL•U/I/C]

again.

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/Triwatch, push and hold [PTT].

Dualwatch Tri-watch

Call channel

[Example]: Operating Tri-watch on INT Channel 25

25W25W INTINT

DUPDUP

TRITRI 1616

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 TELEPHONETELEPHONE

BUSYBUSY 25W25W INTINT CALLCALL

TAGTAG

TRITRI 1616

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 CALLINGCALLING

Tri-watch starts. Signal is received on call

channel.

BUSYBUSY 25W25W INTINT

DUPDUP

TRITRI 1616

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 TELEPHONETELEPHONE

Signal received on Channel 16 takes priority.

25W25W INTINT

DUPDUP

TRITRI 1616

3434°34.506N34.506N

123123°23.236W23.236W

UTCUTC 1212:00:00 TELEPHONETELEPHONE

Tri-watch resumes after the signal disappears.

DSC OPERATION

5 6

■ MMSI code programming

The 9-digit MMSI (Maritime Mobile Service Identity: DSC self ID) code can be programmed at power ON.

This code programming can be performed only twice.

q Turn power OFF. w While pushing [MENU], turn power ON to enter MMSI

code programming condition.

e After the display appears, release [MENU]. r Push [MENU] again to enter the DSC menu. t Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

y Rotate [DIAL] to select “

MMMMSSII CChheecckk

,” push

[DIAL•ENTER].

u Rotate [DIAL]

to set

the speciﬁc 9-digit MMSI code.

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] to cancel and return to the set up menu.

i After entering the 9-digit code, push [DIAL•ENTER] to set

the code.

• Returns to the set up menu.

o Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC--DSC Menu--Menu--

MMSI CheckMMSI Check

__________________

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC--DSC Menu--Menu--

SetSet upup

Add:INDVAdd:INDV IDID Add:GroupAdd:Group IDID DEL:INDVDEL:INDV IDID DEL:GroupDEL:Group IDID OffsetOffset TimeTime

˘MMSIMMSI CheckCheck

--DSC--DSC Menu--Menu--

SelectSelect ItemItem

PositionPosition InputInput ReceivedReceived CallsCalls

˘SetSet upup

ExitExit

6 DSC OPERATION

■ MMSI code check

The 9-digit MMSI (DSC self ID) code can be checked.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

MMMMSSII CChheecckk

,” push

[DIAL•ENTER]

r Check the 9-digit MMSI (DSC self ID) code.

t Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC Menu--

MMSI Check

123456789

<CLR˘Exit>

--DSC Menu--

Set up

DEL:Group ID Offset Time

˘MMSI Check

Auto ACK NMEA Output Exit

--DSC Menu--

Select Item

Position Report Polling Request Received Calls Distress Setting

˘Set up

Exit

DSC OPERATION

■ DSC address ID

A total of 100 DSC address IDs can be programmed and named with up to 10 characters.

Programming Individual ID

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

AAdddd::IINNDDVV IIDD

,” push

[DIAL•ENTER]

r Rotate [DIAL]

to s

et the individual ID and ID name.

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] to cancel and return to the set up menu.

• “

FFuullll IIDD

” appears when 100 DSC address IDs are already

set.

• After inputting the 9-digit MMSI number, push [DIAL•ENTER] or [16•9] to enter a 10-character ID name.

t After inputting, push [DIAL•ENTER] to program. y Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC Menu-Add:Individual ID Input 9 digits

_________

Input name

_________

<CLR˘Exit / ENT˘OK>

--DSC Menu-Set up

˘Add:INDV ID

Add:Group ID DEL:INDV ID DEL:Group ID Offset Time MMSI Check

--DSC Menu-Select Item

Position Report Polling Request Received Calls Distress Setting

˘Set up

Exit

6 DSC OPERATION

Deleting Individual ID

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

DDEELL::IINNDDVV IIDD

,” push

[DIAL•ENTER]

• When no address ID is programmed, “

NNoo IIDD

” is displayed.

Push [CLR] to exit.

r Rotate [DIAL] to select the desired ID name for deleting.

t Push [DIAL•ENTER] to delete the address ID and return

to the set up menu.

y Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC Menu-Select ID

John Paul

˘George

Michael

<CLR˘Exit / ENT˘OK>

--DSC Menu-Set up

Add:INDV ID Add:Group ID

˘DEL:INDV ID

DEL:Group ID Offset Time MMSI Check

--DSC Menu-Select Item

Position Report Polling Request Received Calls Distress Setting

˘Set up

Exit

DSC OPERATION

Programming Group ID

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

AAdddd::GGrroouupp IIDD

,” push

[DIAL•ENTER]

r Rotate [DIAL]

to s

et the group ID and ID name.

• The group ID is a unique number that you create for your group. The ID name is an associated text name for that group.

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] to cancel and return to the set up menu.

• “

FFuullll IIDD

” appears when 100 DSC address IDs are already

set.

• After entering an 8-digit ID code, push [DIAL•ENTER] or [16•9] to enter a 10-character ID name.

• 1st digit ‘0’ is ﬁxed for a group ID.

t After inputting, push [DIAL•ENTER] to program. y Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC Menu-Add:Group ID Input 8 digits

0________

Input name

_________

<CLR˘Exit / ENT˘OK>

--DSC Menu-Set up

Add:INDV ID

˘Add:Group ID

DEL:INDV ID DEL:Group ID Offset Time MMSI Check

--DSC Menu-Select Item

Position Report Polling Request Received Calls Distress Setting

˘Set up

Exit

6 DSC OPERATION

Deleting Group ID

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

DDEELL::GGrroouupp IIDD

,” push

[DIAL•ENTER]

• When no address ID is programmed, “

NNoo IIDD

” is displayed.

Push [CLR] to exit.

r Rotate [DIAL] to select the desired ID name for deleting.

t Push [DIAL•ENTER] to delete the group ID and return to

the set up menu.

y Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

--DSC Menu-Select ID

Icom Group A

˘Group B

Group C

<CLR˘Exit / ENT˘OK>

--DSC Menu-Set up

Add:INDV ID Add:Group ID DEL:INDV ID

˘DEL:Group ID

Offset Time MMSI Check

--DSC Menu-Select Item

Position Report Polling Request Received Calls Distress Setting

˘Set up

Exit

DSC OPERATION

■

Position and time programming

A distress call should include the ship’s position and time data. If no GPS is connected, your position and UTC (Universal Time Coordinated) time should be input manually. They are included automatically when a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoossiittiioonn IInnppuutt

,” and push

[DIAL•ENTER].

e The position information appears. Set your position (lati-

tude and longitude) data by rotating [DIAL].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Rotate [DIAL] to edit N; North latitude or S; South latitude when the cursor is on the ‘N’ or ‘S’ position, and W; West longitude or E; East longitude when the cursor is on the ‘W’ or ‘E’ position.

• Push [CLR] for 1 sec. to clear the latitude/

longitude

data.

• Push [CLR] to cancel and return to the DSC menu.

r After setting the position data, push [DIAL•ENTER] to set

the current UTC time. Set the current UTC time by rotating [DIAL], then push [DIAL•ENTER].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the UTC time data.

• Push [CLR] to cancel and return to the DSC menu.

t Push [CLR] or rotate [DIAL] to select “

EExxiitt

,” push

[DIAL•ENTER].

• Returns to the DSC menu.

• Repeat again to return to the normal operation condition.

Manually programmed position data will be held for 23.5 hours only.

--DSC Menu--

Input UTC Time

__:__ Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu-Input Position Latitude

__°__.___N Null

Longitude

__°__.___W Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu-Select Item

˘Position Input

Individual Call Group Call All Ships Call Position Request Position Report

■ Position and time indication

When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected, the transceiver displays the current position and time. When no GPS receiver is connected, the transceiver displays the manually entered position and time.

A GPS receiver appropriate for the IC-M504 is not supplied by Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01 format is required for position and time indication. Ask your dealer about suitable GPS receivers.

➥ When the connecting GPS receiver is compatible with

several sentence formatters, the order of input precedence is ‘RMC,’ ‘GGA,’ ‘GNS’ and ‘GLL.’

➥ When sentence formatter ‘RMC’ is received, time indi-

cation includes a date. Thus, the ‘UTC’ or ‘Local’ indication is not displayed.

➥ “

????

” may blink instead of position and time indications when the GPS data is invalid, or has not been manually updated after 4 hours.

■ GPS information indication

When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected, the transceiver displays the GPS information after pushing and holding [DIAL•ENTER] for 1 sec.

When connecting GPS receiver is compatible with several sentence formatters, the order of input precedence is ‘RMC,’ ‘GGA,’ ‘GNS’, ‘GLL’ and ‘VTG.’

--GPS Info--

DATE : JAN/16/2006 UTC : 12:00 POS : 34°34.506N

123°23.236W COURSE: 261°M SPEED : 18.5kt

Push for 1 sec.

25W INT

TAG

34°34.506N

123°23.236W

UTC 12:00 CALLING

6 DSC OPERATION

DSC OPERATION

■ 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 immediate assistance.

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.

Simple call

q Conﬁrm no distress call is being received. w While lifting up the key cover, push [DISTRESS] for

5 sec. to transmit the distress call.

• Emergency channel (Channel 70) is automatically selected and the distress call is transmitted.

• When no GPS is connected, input your position and UTC time, if possible.

• While pushing [DISTRESS], the key backlighting blinks.

e After transmitting the distress call, the transceiver waits for

an acknowledgment call on Channel 70.

• The distress call is automatically transmitted every 3.5 to 4.5 minutes.

• After 2 sec., the transceiver is set to Channel 16 automatically.

r After receiving the acknowledgment, reply using the mi-

crophone.

25W INT

TAG Received DistressACK <Osaka Bay

<CLR

Beep Off> CALLING

Distress Call

TX Complete

Now Waiting for ACK

<CLR<CLR˘CancelCancel ACK>ACK>

After 2 sec.

25W INT

TAG

Wait ACK

<CLR

Cancel ACK> CALLING

Distress Call

Push for 5 sec.

6 DSC OPERATION

➥ A distress alert contains (default);

• Nature of distress : Undesignated distress

• Position data : GPS or manual input 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 [CLR] to cancel the ‘Call repeat’ mode. ➥ “??” may blink instead of position and time indications

when the GPS data is invalid, or has not been manually updated after 4 hours.

Regular call

The nature of the distress call should be included in the distress call.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

DDiissttrreessss SSeettttiinngg

,” and

push [DIAL•ENTER].

e Rotate [DIAL] to select the nature of the distress, push

[DIAL•ENTER].

•‘

UUnnddeessiiggnnaatteedd

,’ ‘

EExxpplloossiioonn

,’ ‘

FFllooooddiinngg

,’ ‘

CCoollllii--

ssiioonn

,’ ‘

GGrroouunnddiinngg

,’ ‘

CCaappssiizziinngg

,’ ‘

SSiinnkkiinngg

,’

‘

AAddrriifftt

(Disable adrift),’ ‘

AAbbaannddoonniinngg

(Abandoning ship),’

‘

PPiirraaccyy

(Piracy attack)’ and ‘

MMOOBB

(Man overboard)’ are avail-

able.

• The selected nature of the distress is stored for 10 minutes.

--DSC Menu--

Select Nature

Undesignated

˘Explosion

Flooding Collision

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Select Item

All Ships Call Position Request Position Report Polling Request Received Calls

˘Distress Setting

DSC OPERATION

When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected,

steps r and t (

Current position/time program-

ming) do not appear. Go to step y.

r The position information appears. Set your position (lati-

tude and longitude) data by rotating [DIAL].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the latitude/

longitude

data.

• Push [CLR] to cancel and return to the DSC menu.

t After setting the position data, push [DIAL•ENTER] to set

the current UTC time. Set the current UTC time by rotating [DIAL], then push [DIAL•ENTER].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the UTC time data.

• Push [CLR] to cancel and return to the DSC menu.

y Push [DISTRESS] for 5 sec. to transmit the distress call.

• While pushing [DISTRESS], the key backlighting blinks.

u After transmitting the distress call, the transceiver waits for

an acknowledgment call on Channel 70.

• The distress call is automatically transmitted every 3.5 to 4.5 min.

• After 2 sec., the transceiver is set to Channel 16 automatically.

Distress Call

TX Complete

Now Waiting for ACK

<CLR<CLR˘CancelCancel ACK>ACK>

After 2 sec.

25W INT

TAG

Wait ACK

<CLR

Cancel ACK> CALLING

--DSC Menu--

Input UTC Time

__:__ Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu-Input Position Latitude

__°__.___N Null

Longitude

__°__.___W Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

6 DSC OPERATION

i After receiving the acknowledgment, reply using the mi-

crophone.

➥ A distress alert contains (default);

• Nature of distress : Selected nature of the distress

• Position data : GPS or manual input position data is 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 [CLR] to cancel the ‘Call repeat’ mode. ➥ “

????

” may blink instead of position and time indications when the GPS data is invalid, or has not been manually updated after 4 hours.

■ Transmitting DSC calls

To ensure correct operation of the DSC function, please make sure you set the squelch correctly. (p. 8)

Transmitting an individual call

The individual call function allows you to transmit a DSC signal to a speciﬁc ship only.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

IInnddiivviidduuaall CCaallll

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when

a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

--DSC Menu--

Select Item

Position Input

˘Individual Call

Group Call All Ships Call Position Request Position Report

25W INT

TAG Received DistressACK <Osaka Bay

<CLR

Beep Off> CALLING

DSC OPERATION

e Rotate [DIAL] to select the desired pre-programmed indi-

vidual address or “

MMaannuuaall IInnppuutt

,” push

[DIAL•ENTER].

• The ID code for the individual call can be set in advance. (p. 17)

• When “

MMaannuuaall IInnppuutt

” is selected, set the 9-digit MMSI

number for the individual you wish to call by rotating [DIAL].

1st digit must not be ‘0’.

r Rotate [DIAL] to select a desired intership channel, push

[DIAL•ENTER].

• Intership channels are already preset into the transceiver in recommended order.

t Push [DIAL•ENTER] to transmit the individual call.

• If Channel 70 is busy, the transceiver stands by until the channel becomes clear.

--DSC Menu--

Individual Call

Transmitting

--DSC Menu-Select Intership CH ˘08

69 77 06

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Individual Call Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

6 DSC OPERATION

y Standby on Channel 70 until an acknowledgement is re-

ceived.

u When the acknowledgement ‘Able to comply’ is received,

the specified channel (in step r) is selected with beeps automatically. Or, when the acknowledgement ‘Unable to comply’ is received, the display returns to the operated channel (before enter the DSC menu) with beeps.

i Push [CLR] to stop the beep, then push and hold [PTT] to

communicate your message to the responding ship.

Transmitting an individual acknowledgement

When receiving an individual call, you can transmit an acknowledgement (‘Able to comply’ or ‘Unable to comply’) by using the on screen prompts (see page 42 for details). You can also send an acknowledgement through the menu system as follows.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

IInnddiivviidduuaall AACCKK

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

•“

IInnddiivviidduuaall AACCKK

” item appears after an individual call is

received.

e Rotate [DIAL] to select the desired individual address or

ID code, push [DIAL•ENTER].

--DSC Menu--

Select Address

John

˘Paul

George Michael

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Select Item

Position Input Individual Call

˘Individual ACK

Group Call All Ships Call Position Request

25W INT

Received INDV ACK <John

<CLR

Beep Off> COMMERCIAL

25W INT

DUP

Received Unable ACK <John

<CLR

Beep Off> INTL

--DSC Menu--

Individual Call

TX Complete

Now Waiting for ACK

<CLR˘Exit>

DSC OPERATION

r Rotate [DIAL] to select “

AAbbllee ttoo CCoommppllyy

” or “

UUnn--

aabbllee ttoo CCoommppllyy

,” push [DIAL•ENTER].

• When “

UUnnaabbllee ttoo CCoommppllyy

” is selected, “No Reason Given”

will be transmitted.

t Push [DIAL•ENTER] to transmit the acknowledgement call

to the selected station.

y After the individual acknowledgement call has been trans-

mitted, the speciﬁed channel (speciﬁed by the calling station) is selected automatically when “

AAbbllee ttoo CCoomm--

ppllyy

” is selected, or returns to the previous condition

(before entering the DSC menu) when “

UUnnaabbllee ttoo

CCoommppllyy

” is selected in step r.

Transmitting a group call

The group call function allows you to transmit a DSC signal to a speciﬁc group only.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

GGrroouupp CCaallll

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

e Rotate [DIAL] to select the desired pre-programmed group

address or “

MMaannuuaall IInnppuutt

,” push [DIAL•ENTER].

• The ID code for the group call can be set in advance. (p. 19)

• When “

MMaannuuaall IInnppuutt

” is selected, set the 8-digit ID code

for the group you wish to call by rotating [DIAL].

--DSC Menu--

Select Address

Manual Input

˘Icom

Coast station

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Select Item

Position Input Individual Call

˘Group Call

All Ships Call Position Request Position Report

--DSC Menu-Select Action ˘Able to Comply

Unable to Comply

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Individual ACK Ready

<CLR˘Exit / ENT˘OK>

6 DSC OPERATION

r Rotate [DIAL] to select a desired intership channel, push

[DIAL•ENTER].

• Intership channels are already preset into the transceiver in recommended order.

t Push [DIAL•ENTER] to transmit the group call.

• If Channel 70 is busy, the transceiver stands by until the channel becomes clear.

y After the group call has been transmitted, the following in-

dication is displayed.

u Push [CLR] to exit and the transceiver selects the inter-

ship channel speciﬁed in step r automatically.

• Even if [CLR] hasn’t been pushed, the transceiver selects the

speciﬁed intership channel in step r automatically after 2 sec. of inactivity.

--DSC Menu-Group Call

TX Complete

<CLR˘Exit>

--DSC Menu-Group Call

Transmitting

--DSC Menu--

Select Intership CH ˘08

69 77 06

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Group Call Ready

<CLR˘Exit / ENT˘OK>

DSC OPERATION

Transmitting an all ships call

Large ships use Channel 70 as their ‘listening channel.’ When you want to announce a message to all ships within range, use the all ships call function.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

AAllll SShhiippss CCaallll

,” and push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

e Rotate [DIAL] to select the desired category, push

[DIAL•ENTER].

• Output power of ‘Routine’ category is 1 W (low power) only.

• The selectable category may differ according to the programmed setting. Ask your dealer for the available categories.

r Push [DIAL•ENTER] to transmit the all ships call.

• Channel 70 is selected and the all ships call is transmitted.

--DSC Menu--

All Ships Call

Transmitting

--DSC Menu-Select Category ˘Routine

Safety Urgency

<CLR˘Exit / ENT˘OK>

--DSC Menu--

All Ships Call Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu-Select Item

Position Input Individual Call Group Call

˘All Ships Call

Position Request Position Report

6 DSC OPERATION

t After the all ships call has been transmitted, the following

indication is displayed.

y Push [CLR] to exit and the transceiver selects Channel 16

automatically.

• Even if [CLR] hasn’t been pushed, the transceiver automatically selects Channel 16 after 2 sec. of inactivity.

Transmitting a position request call

Transmit a position request call when you want to know a speciﬁc ship’s current position, etc.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoossiittiioonn RReeqquueesstt

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

e Rotate [DIAL] to select the desired pre-programmed indi-

vidual address or “

MMaannuuaall IInnppuutt

,” push

[DIAL•ENTER].

• The ID code can be set in advance. (p. 17)

• When “

MMaannuuaall IInnppuutt

” is selected, set the 9-digit MMSI

number for the individual you wish to call by rotating [DIAL].

--DSC Menu--

Select Item

Position Input Individual Call Group Call All Ships Call

˘Position Request

Position Report

--DSC Menu--

All Ships Call

TX Complete

<CLR˘Exit>

DSC OPERATION

r Push [DIAL•ENTER] to transmit the position request call.

• If Channel 70 is busy, the transceiver stands by until the channel becomes clear.

t After the position request call has been transmitted, the fol-

lowing indication is displayed.

y Push [CLR] to return to the previous indication before en-

tering the DSC menu.

• Even if [CLR] hasn’t been pushed, the display automatically returns to the previous indication after 2 sec. of inactivity.

--DSC Menu--

Position Request

TX Complete

Now Waiting for ACK

<CLR˘Exit>

--DSC Menu--

Position Request

Transmitting

--DSC Menu--

Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

--DSC Menu--

POS Request Ready

<CLR˘Exit / ENT˘OK>

6 DSC OPERATION

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.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoossiittiioonn RReeppoorrtt

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn IInnppuutt

” item appears when a GPS receiver

(NMEA0183 ver. 2.0 or 3.01) is not connected.

e Rotate [DIAL] to select the desired pre-programmed indi-

vidual address or “

MMaannuuaall IInnppuutt

,” push

[DIAL•ENTER].

• The ID code can be set in advance. (p. 17)

• When “

MMaannuuaall IInnppuutt

” is selected, set the 9-digit MMSI

number for the individual you wish to call by rotating [DIAL].

When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected,

steps r and t (

Current position/time program-

ming) do not appear. Go to step y.

r The position information appears. Set your position (lati-

tude and longitude) data by rotating [DIAL].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the latitude/

longitude

data.

• Push [CLR] to cancel and return to the DSC menu.

t After setting the position data, push [DIAL•ENTER] to set

the current UTC time. Set the current UTC time by rotating [DIAL], then push [DIAL•ENTER].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the UTC time data.

• Push [CLR] to cancel and return to the DSC menu.

--DSC Menu-Input Position Latitude

__°__.___N Null

Longitude

__°__.___W Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu-Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

--DSC Menu-Select Item

Position Input Individual Call Group Call All Ships Call Position Request

˘Position Report

DSC OPERATION

y Push [DIAL•ENTER] to transmit the position report call.

• If Channel 70 is busy, the transceiver stands by until the channel becomes clear.

u After the position report call has been transmitted, the fol-

lowing indication is displayed.

i Push [CLR] to return to the previous indication before en-

tering the DSC menu.

• Even if [CLR] hasn’t been pushed, the display automatically returns to the previous indication after 2 sec. of inactivity.

--DSC Menu--

Position Report

TX Complete

Now Waiting for ACK

<CLR˘Exit>

--DSC Menu--

Position Report

Transmitting

--DSC Menu--

Input UTC Time

__:__ Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Position Report Ready

<CLR˘Exit / ENT˘OK>

6 DSC OPERATION

Transmitting a polling request call

Transmit a polling request call when you want to know if a speciﬁc vessel is within communication range.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoolllliinngg RReeqquueesstt

,” push

[DIAL•ENTER].

e Rotate [DIAL] to select the desired pre-programmed indi-

vidual address or “

MMaannuuaall IInnppuutt

,” push

[DIAL•ENTER].

• The ID code can be set in advance. (p. 17)

• When “

MMaannuuaall IInnppuutt

” is selected, set the 9-digit MMSI

number for the individual you wish to call by rotating [DIAL].

r Push [DIAL•ENTER] to transmit the polling request call.

• If Channel 70 is busy, the transceiver stands by until the channel becomes clear.

--DSC Menu--

Polling Request

Transmitting

--DSC Menu--

Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

--DSC Menu--

Polling Request Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Select Item

Individual Call Group Call All Ships Call Position Request Position Report

˘Polling Request

DSC OPERATION

t After the polling request call has been transmitted, the fol-

lowing indication is displayed.

y Push [CLR] to return to the previous indication before en-

tering the DSC menu.

• Even if [CLR] hasn’t been pushed, the display automatically returns to the previous indication after 2 sec. of inactivity.

Transmitting a position request reply call

Transmit a position request reply call when a position request call is received.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoossiittiioonn RReeppllyy

,” push

[DIAL•ENTER].

•“

PPoossiittiioonn RReeppllyy

” item appears after a position request

call is received.

e Rotate [DIAL] to select the desired individual address or

ID code, push [DIAL•ENTER].

--DSC Menu--

Select Address

John

˘Paul

George Michael

<CLR˘Exit / ENT˘OK>

--DSC Menu--

Select Item

Position Input Individual Call Group Call All Ships Call Position Request

˘Position Reply

--DSC Menu--

Polling Request

TX Complete

Now Waiting for ACK

<CLR˘Exit>

6 DSC OPERATION

When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected,

next steps r, t (

Current position/time program-

ming) do not appear. Go to step y.

r The position information appears. Set your position (lati-

tude and longitude) data by rotating [DIAL].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the latitude/

longitude

data.

• Push [CLR] to cancel and return to the DSC menu.

t After setting the position data, push [DIAL•ENTER] to set

the current UTC time. Set the current UTC time by rotating [DIAL], then push [DIAL•ENTER].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] for 1 sec. to clear the UTC time data.

• Push [CLR] to cancel and return to the DSC menu.

y Push [DIAL•ENTER] to transmit the position request reply

call to the selected station.

• Your position data is transmitted, when [DIAL•ENTER] is pushed.

--DSC Menu--

Position Reply

Transmitting

--DSC Menu--

Input UTC Time

__:__ Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Position Reply Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu-Input Position Latitude

__°__.___N Null

Longitude

__°__.___W Null

<CLR<CLR 1sec1sec˘NullNull Data>Data> <CLR<CLR˘ExitExit / ENTENT˘OK>OK>

DSC OPERATION

Transmitting a position report reply call

Transmit a position report reply call when a position report call is received.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPOOSS RReeppoorrtt RReeppllyy

,” push

[DIAL•ENTER].

•“

PPOOSS RReeppoorrtt RReeppllyy

” item appears after a position report

call is received.

e Rotate [DIAL] to select the desired individual address or

ID code, push [DIAL•ENTER].

r Push [DIAL•ENTER] to transmit the position report reply

call to the selected station.

--DSC Menu-Position Report Reply

Transmitting

--DSC Menu-Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

--DSC Menu--

POS REP Reply Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu-Select Item

Individual Call Group Call All Ships Call Position Request Position Report

˘POS Report Reply

6 DSC OPERATION

Transmitting a polling request reply call

Transmit a polling reply call when a polling request call is received.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

PPoolllliinngg RReeppllyy

,” push

[DIAL•ENTER].

•“

PPoolllliinngg RReeppllyy

” item appears after a polling request call

is received.

e Rotate [DIAL] to select the desired individual address or

ID code, push [DIAL•ENTER].

r Push [DIAL•ENTER] to transmit the polling request call to

the selected station.

--DSC Menu--

Polling Reply

Transmitting

--DSC Menu--

Select Address

Manual Input John

˘Paul

George Michael <CLR˘Exit / ENT˘OK>

--DSC Menu--

Polling Reply Ready

<CLR˘Exit / ENT˘OK>

--DSC Menu-Select Item

Group Call All Ships Call Position Request Position Report Polling Request

˘Polling Reply

DSC OPERATION

■ Receiving DSC calls

Receiving a distress call

While monitoring Channel 70 and a distress call is received: ➥ The emergency alarm sounds for 2 minutes.

• Push [CLR] to stop the alarm.

➥ “

RReecceeiivveedd DDiissttrreessss

” appears in the display, then

Channel 16 is automatically selected.

➥ Continue monitoring Channel 16 as a coast station may re-

quire assistance.

Receiving a distress acknowledgement

While monitoring Channel 70 and a distress acknowledgement to other ship is received: ➥ The emergency alarm sounds for 2 minutes.

• Push [CLR] to stop the alarm.

➥ “

RReecceeiivveedd DDiissttrreessssAACCKK

” appears in the display,

then Channel 16 is automatically selected.

Receiving a distress relay call

While monitoring Channel 70 and a distress relay acknowledgement is received: ➥ The emergency alarm sounds for 2 minutes.

• Push [CLR] to stop the alarm.

➥ “

RReecceeiivveedd DDiissttrreessssRRLLYY

” appears in the display,

then Channel 16 is automatically selected.

25W INT

TAG Received DistressRLY <John

<CLR

Beep Off> CALLING

25W INT

TAG Received DistressACK <Osaka Bay

<CLR

Beep Off> CALLING

25W INT

TAG Received Distress <Paul

<CLR

Beep Off> CALLING

6 DSC OPERATION

Receiving an individual call

While monitoring Channel 70 and an individual call is received: ➥ The emergency alarm or beeps sound depending on the

received category.

➥ “

RReecceeiivveedd IInnddiivviidduuaall

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

reply the call and select the channel speciﬁed by the calling station for voice communication (depending on your replying condition see p. 28 for individual acknowledgement call procedure for details.); push [CLR] to ignore the individual call.

Receiving a group call

While monitoring Channel 70 and a group call is received: ➥ The emergency alarm or beeps sound depending on the

received category.

➥ “

RReecceeiivveedd GGrroouupp

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

select the channel speciﬁed by the calling station for voice communication; push [CLR] to ignore the group call.

Receiving an all ships call

While monitoring Channel 70 and an all ships call is received: ➥ The emergency alarm sounds when the category is ‘Dis-

tress’ or ‘Urgency’; beeps sound for 2 minutes.

➥ “

RReecceeiivveedd AAllll SShhiippss

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

monitor channel 16 for an announcement from the calling vessel; push [CLR] to ignore the call.

25W INT

TAG Received Group <Icom

<CLR

Beep Off> SAFETY

25W INT

TAG Received Individual <Paul

<CLR

Beep Off> SAFETY

DSC OPERATION

Receiving a geographical area call

While monitoring Channel 70 and a geographical area call (for the area you are in) is received: ➥ Emergency alarm or beeps sound depending on the re-

ceived category.

➥ “

RReecceeiivveedd GGeeooggrraapphhiicc

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

change to the channel speciﬁed by the calling station for voice communication; push other key to ignore the geographical area call.

➥ Monitor the selected channel for an announcement from

the calling station. When no GPS receiver is connected or if there is a problem with the connected receiver, all geographical area calls are received, regardless of your position.

Receiving a position request call

While monitoring Channel 70 and a position request call is received: ➥ “

RReecceeiivveedd PPOOSS RReeqquueesstt

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

reply to the position request call; push [CLR] to ignore the position request call.

Receiving a position report call

While monitoring Channel 70 and a position report call is received: ➥ “

RReecceeiivveedd PPOOSS RReeppoorrtt

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

reply to the position report call; push [CLR] to ignore the position report call.

25W INT

TAG Received POS Report <Paul

<CLR

Beep Off> SAFETY

25W INT

TAG Received POS Request <Paul

<CLR

Beep Off> SAFETY

25W INT

TAG Received Geographic <Osaka Bay

<CLR

Beep Off> SAFETY

25W INT

TAG Received All Ships <Paul

<CLR

Beep Off> SAFETY

6 DSC OPERATION

Receiving a polling request call

While monitoring Channel 70 and a polling request call is received: ➥ “

RReecceeiivveedd PPOOLLLL RREEQQ

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

reply to the call; push [CLR] to ignore the call.

Receiving a position request reply call

While monitoring Channel 70 and a position request reply call is received: ➥ “

RReecceeiivveedd PPOOSS RReeppllyy

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

display the position information; push [CLR] to ignore the reply call.

Receiving a position report reply call

While monitoring Channel 70 and a position report reply call is received: ➥ “

RReecceeiivveedd PPOOSS RReeppllyy

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

display the position information; push [CLR] to ignore the reply call.

Receiving a polling request reply call

While monitoring Channel 70 and a polling request reply call is received: ➥ “

RReecceeiivveedd PPOOLLLL RReeppllyy

” appears in the display.

➥ Push [CLR] to stop the beep, then push [DIAL•ENTER] to

display the position information; push [CLR] to ignore the reply call.

25W INT

TAG Received POLL Reply <Paul

<CLR

Beep Off> SAFETY

25W INT

TAG Received POS Reply <Paul

<CLR

Beep Off> SAFETY

25W INT

TAG Received POS Reply <Paul

<CLR

Beep Off> SAFETY

25W INT

TAG Received POLL REQ <Paul

<CLR

Beep Off> SAFETY

DSC OPERATION

■ Received messages

The transceiver automatically stores up to 20 distress messages and 20 other messages. The messages can be used as an assistance to the logbook.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

RReecceeiivveedd CCaallllss

,” push

[DIAL•ENTER].

Distress message

q Rotate [DIAL] to select “

DDiissttrreessss

,” push

[DIAL•ENTER].

w Rotate [DIAL] to scroll to the desired message, push

[DIAL•ENTER].

• Messages which are blinking have not been read.

e Rotate [DIAL] to scroll the message.

r Push [CLR] to exit or push [CLR] for 1 sec. to delete the

displayed message and return to the DSC menu.

--DSC Menu-Distress <John Explosion LAT:12°34.567N LON:123

45.678W UTC:12:15 DISTANCE:100.8nm BEARING:12.25

<CLR˘Exit/CLR 1s˘Del>

Rotate

--DSC Menu-Select Message ˘12:15 John

04:43 George

<CLR˘Exit / ENT˘OK>

--DSC Menu-Select Message ˘Distress

Other

<CLR˘Exit / ENT˘OK>

--DSC Menu-Select Item

Position Reply Position Report POS Report Reply Polling Request Polling Reply

˘Received Calls

6 DSC OPERATION

Other messages

q Rotate [DIAL] to select “

OOtthheerr

,” push [DIAL•ENTER].

w Rotate [DIAL] to scroll to the desired message, push

[DIAL•ENTER].

• Messages which are blinking have not been read.

e Rotate [DIAL] to scroll the message.

• The stored message has various information, depending on the type of distress call.

r Push [CLR] to exit or push [CLR] for 1 sec. to delete the

displayed message and returns to the DSC menu.

--DSC Menu-Individual Call <Paul Routine F3E simplex CH 08

<CLR˘Exit/CLR 1s˘Del>

--DSC Menu-Select Message ˘Individual Call

Group Call Position Replay All Ships Call

<CLR˘Exit / ENT˘OK>

˘Individual Call

--DSC Menu--

Select Message

Distress

˘Other

<CLR˘Exit / ENT˘OK>

DSC OPERATION

■ DSC Set mode

MMSI code check (See p. 16)

Add Individual ID/Group ID (See pgs. 17, 19)

Delete Individual ID/Group ID (See pgs. 18, 20)

Offset time

This item sets the offset time from the UTC (Universal Time Coordinated) time.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” and push

[DIAL•ENTER].

e Rotate [DIAL]

to select “

OOffffsseett TTiimmee

,”

push

[DIAL•ENTER]

r Set the offset time from the UTC (Universal Time Coordi-

nated) time by rotating [DIAL].

• Push [16•9] or [CH/WX•DUAL•U/I/C] to move the cursor forward or backward, respectively.

• Push [CLR] to cancel and return to the set up menu.

t Push [DIAL•ENTER] to program and to return to the set

up menu.

--DSC Menu--

Input Offset Time

+12:00

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Input Offset Time

00:00

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

No offset time (default)

+12 hours

--DSC Menu--

Select Item

Add:INDV ID Add:Group ID DEL:INDV ID DEL:Group ID

˘Offset Time

MMSI Check

--DSC Menu--

Select Item

POS Report Reply Polling Request Polling Reply Received Calls Distress Setting

˘Set up

6 DSC OPERATION

Automatic acknowledgement

This item sets the automatic acknowledgement function to ON or OFF. When a position request, position report or polling request call is received, the transceiver automatically transmits a position request reply, position report reply or polling reply call, respectively.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

AAuuttoo AACCKK

,”

push

[DIAL•ENTER]

r Rotate [DIAL]

to turn the

automatic acknowledgement

function ON or OFF

t Push [DIAL•ENTER] to set the condition.

• Push [CLR] to cancel and return to the set up menu.

--DSC Menu--

Auto ACK

˘ON

OFF

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Select Item

Add:Group ID DEL:INDV ID DEL:Group ID Offset Time MMSI Check

˘Auto ACK

--DSC Menu--

Select Item

POS Report Reply Polling Request Polling Reply Received Calls Distress Setting

˘Set up

DSC OPERATION

NMEA Output

Select an NMEA Output function from OFF, All Station or List Station. When receiving position acknowledgment, the transceiver outputs it to the external equipment via the NMEA connector.

q Push [MENU] to enter the DSC menu. w Rotate [DIAL] to select “

SSeett uupp

,” push [DIAL•ENTER].

e Rotate [DIAL]

to select “

NNMMEEAA OOuuttppuutt

,”

push

[DIAL•ENTER]

r Rotate [DIAL]

to s

elect the NMEA Output function from

OFF, All Station or List Station.

• List Station : Outputs the position data from the speciﬁed vessels

listed on the DSC individual ID screen.

• All Station : Outputs the position data from all vessels.

• OFF : Does not output any position data to external equip-

ment.

t Push [DIAL•ENTER] to set the condition.

• Push [CLR] to cancel and return to the set up menu.

--DSC Menu--

NMEA Output

˘List Station

All Station OFF

<CLR<CLR˘ExitExit / ENTENT˘OK>OK>

--DSC Menu--

Select Item

DEL:INDV ID DEL:Group ID Offset Time MMSI Check Auto ACK

˘NMEA Output

--DSC Menu--

Select Item

POS Report Reply Polling Request Polling Reply Received Calls Distress Setting

˘Set up

OTHER FUNCTIONS

■ Intercom operation

The optional Intercom function allows you to talk to the deck from the cabin. The optional command microphone is required for Intercom operation.

Connect an optional command microphone as described on p. 63.

• Transmitting is impossible during Intercom operation.

• The received signal is muted during Intercom operation.

q Push and hold [LO/DX•IC•SCRM] for 1 sec. to enter Inter-

com mode.

• The optional command microphone power is automatically turned ON, even if the power is OFF.

w Push and hold [LO/DX•IC•SCRM] for 1 sec. again to call

up the optional command microphone side.

• The transceiver and the optional command microphone emit call beeps.

e Push and hold [PTT] and speak at a normal voice level

into the microphone.

•“

TTAALLKK

” or “

LLIISSTTEENN

”* appears on the caller or listener function display. * “ ” or “ ” appears on the HM-157.

• To adjust the IC-M504’s speaker output level, rotate [VOL].

• To adjust the HM-162’s speaker output level, rotate [SELEC- TOR] after pushing [VOL] on the HM-162.

• To adjust the HM-157’s speaker output level, push [Y] or [Z] after pushing [VOL• PA/RX ] on the HM-157.

r After releasing [PTT] you can hear the response through

the speaker.

t To return to the normal operation, push [LO/DX•IC•SCRM]

momentarily.

• [16•9] and [DISTRESS] keys are also available.

INTERCOMINTERCOM TALKTALK

IC-M504 (caller)

HM-157 (listener)

INTERCOMINTERCOM LISTENLISTEN

HM-162 (listener)

DIM

INTERCOMINTERCOM

IC-M504/HM-162 HM-157

Push and hold for 1 sec.

OTHER FUNCTIONS

• While in the Intercom mode, the transceiver functions (transmit and receive) are interrupted. If the transceiver is in transmit condition, the Intercom function is not available.

• When a DSC call is received, the intercom function is interrupted with an automatic return to the transceiver mode. The transceiver’s display indicates ‘Receiving DSC calls.’ (p. 41)

• When a WX alert is received, “

WWXX AALLEERRTT

” blinks and a beep sounds. The WX alert sounds after the Intercom use is ﬁnished.

■ RX Speaker function

The IC-M504 has an RX Speaker function. When this function is turned ON, the received audio can be heard on the deck or tower via an external speaker or hailer speaker.

Connect an external speaker or hailer speaker as described on p. 58.

q Push and hold [HAIL•RX ] for 1 sec. to enter the RX

Speaker mode.

•“

RRXX

” appears

• Rotate [DIAL] to adjust the audio output level, push [DIAL•ENTER].

w To return to normal operation, push and hold [HAIL•RX ]

for 1 sec.

While in the RX Speaker mode, rotate [DIAL] while pushing and holding [HAIL•RX ] to adjust the audio output level. After adjusting, push [DIAL•ENTER].

• Rotate [DIAL] within 1 sec. after pushing [HAIL•RX ]. Otherwise the transceiver returns to the normal operation.

25W25W INTINT

RXRX

TAGTAG

RXRX 1515

<ENT<ENT˘OK>OK> CALLINGCALLING

Push and hold

for 1 sec.

7 OTHER FUNCTIONS

■ Hailer operation

The IC-M504 has a hailer function for voice ampliﬁcation over a loudspeaker, making it unnecessary to leave the bridge to talk a hailing party.

Connect an external hailer speaker (25 W nominal at

13.8 V/4 Ω) as described on p. 58.

• Transmitting is not possible during hailer operation.

• The received signal is muted during hailer operation.

q Push [HAIL•RX ] to enter hailer mode.

w Push and hold [PTT] and speak at a normal voice level

into the microphone.

•“

TTAALLKK

” appears.

•“

WWAAIITT

” appears at the channel comment indicator when the op-

tional command microphone is in use.

• To adjust the hailer level, rotate [DIAL].

e To return to normal operation, push [CLR] or [HAIL•RX ].

• While in the hailer mode, the transceiver functions (transmit and receive) are interrupted. If the transceiver is in transmit condition, the hailer function is not available.

• When a DSC call is received, the hailer function is interrupted with an automatic return to the transceiver mode. The transceiver’s display indicates ‘Receiving DSC calls.’ (p. 41)

HAILERHAILER

1515

Push

OTHER FUNCTIONS

■ Automatic foghorn function

The automatic foghorn function sounds a horn repeatedly until the function is turned OFF. Four patterns are available for varying conditions.

The foghorn outputs from the hailer speaker. To use this function, the hailer speaker must be connected to the transceiver. See p. 58 for connection details.

TYPE PATTERN USAGE

UNDERWAY

STOP

SAIL

TOW

The audio frequency of the foghorn is selectable. See p. 57 for details on selecting the audio frequency.

One 5-second blasts every 120 seconds.

Two 5-second blasts (separated by 2 seconds) every 120 seconds.

One 5-second blast followed by two 1-second blasts (each separated by 2 seconds) every 120 seconds.

One 5-second blast followed by three 1-second blasts (each separated by 2-seconds) every 120 seconds.

Motor vessel underway and making way.

Motor vessel underway but stopped (not making way).

Sailing vessel underway, fishing vessel (underway or anchored), vessel not under command, a vessel restricted in her ability to maneuver (underway or at anchor), or a vessel towing or pushing another ahead.

Vessel under tow (manned).

5s±1

120s

5s±1

120s

5s±1

120s

5s±1

120s

7 OTHER FUNCTIONS

q While pushing and holding [H/L], push [HAIL•RX ] to

enter auto foghorn mode.

w Rotate [DIAL] to select the desired foghorn pattern, push

[DIAL•ENTER].

•‘

UUNNDDEERRWWAAYY

,’ ‘

SSTTOOPP

,’ ‘

SSAAIILL

,’ ‘

TTOOWW

’ are available. (p. 53)

• Even if [DIAL•ENTER] hasn’t been pushed, the display automatically changes to the next step after 5 sec. of inactivity.

e Rotate [DIAL] to adjust the foghorn level, push

[DIAL•ENTER].

• The foghorn level is adjustable in 30 steps.

• Even if [ENT] hasn’t been pushed, the display automatically changes to the next step after 5 sec. of inactivity.

To return to normal operation, repeat step q.

When a DSC call is received, the automatic foghorn function is interrupted with an automatic return to the transceiver mode. The transceiver’s display indicates ‘Receiving DSC calls.’ (p. 41)

25W25W INTINT

TAGTAG

FOGHORNFOGHORN 1515

<ENT<ENT˘OK>OK> CALLINGCALLING

Rotate

Push

25W25W INTINT

TAGTAG

FOGHORNFOGHORN 1515

UNDERWAYUNDERWAY CALLINGCALLING

The selected foghorn pattern is displayed.

25W25W INTINT

TAGTAG

˘UNDERWAYUNDERWAY

STOPSTOP

<ENT<ENT˘OK>OK> CALLINGCALLING

Push and

SET MODE

7 8

■ Set mode programming

Set mode is used to change the conditions of the transceiver’s functions: Scan type, Scan resume timer, Weather alert, Dual/Tri-watch, Beep tone, LCD contrast, Automatic foghorn frequency, Radio power, Scrambler type* and Scrambler code.*

*Appears only when the optional scrambler unit is installed.

Available functions may differ depending on how they are set by the dealer.

q Turn power OFF. w While pushing and holding [16•9], turn power ON to enter

Set mode.

e After the display appears, release [16•9]. r Rotate [DIAL] to select the desired item, push

[DIAL•ENTER].

t Rotate [DIAL] to select the desired condition of the item. y Push [CLR], or rotate [DIAL] to select “

EExxiitt

,” then push [DIAL•ENTER] to exit set mode and returns to normal operation condition.

■ Set mode items

D 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 sequence while monitoring Channel 16.

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 received on any other channel than Channel 16.

--Set Mode--

Scan Timer

˘OFF

<ENT˘OK>

Default: OFF

--Set Mode--

Scan Type

Priority

˘Normal

<ENT˘OK>

Default: Normal

Rotate

--Set Mode--

˘Scan Type

Scan Timer WX Alert Dual/Tri Beep Contrast Foghorn Frequency Radio Power Scrambler Type Scrambler Code Exit

• SET MODE CONSTRUCTION

8 SET MODE

Weather alert

A NOAA broadcast station transmits a weather alert tone before important weather information. When “

OONN

” is selected, the previously selected (used) weather channel is checked any time during standby or while scanning. When “

OONN wwiitthh WWXX SSCCAANN

” is selected, the weather channels are checked in sequence during standby or while scanning. The “

WWXX AALLEERRTT

” indicator blinks until the transceiver is op-

erated after the transceiver detects the alert.

•“

WWXX AALLEERRTT

” appears instead of “

WWXX

” indication when the function

is set ON.

Dual/Tri-watch

This item can be selected as Dualwatch or Tri-watch. (p. 14)

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.

LCD contrast

The LCD contrast can be adjustable to 8 levels. The level 1 is the lowest contrast, and the level 8 is the highest contrast.

--Set Mode-Contrast ˘5

4 3 2 1

<ENT˘OK>

Default: 5

--Set Mode-Beep ˘ON

OFF

<ENT˘OK>

Default: ON

--Set Mode-Dual/Tri

Tri-watch

˘Dualwatch

<ENT˘OK>

Default: Dualwatch

--Set Mode-WX Alert

ON ON with WX SCAN

˘OFF

<ENT˘OK>

Default: OFF

SET MODE

Automatic foghorn frequency

The audio frequency of the automatic foghorn can be adjusted to suit your preference. While this item is selected, pushing [PTT] outputs the foghorn— experiment with the frequencies available until you ﬁnd one you like.

• Available frequency range is 200 Hz to 850Hz in 50 Hz steps.

Radio power

This item sets the Radio Power function ON or OFF. ON : The transceiver’s power is controlled by the optional

command microphone. When the command microphone is turned OFF, the transceiver will also be turned OFF automatically.

OFF : The transceiver’s power is not controlled by the optional

command microphone. Even if the command microphone is turned OFF, the transceiver will continue to work.

Scrambler type

(Appears when a scrambler unit is installed) When an optional scrambler unit is installed, the scrambler type can be selected in set mode depending on how it is set by the dealer.

Scrambler code

(Appears when a scrambler unit is installed) When an optional scrambler unit is installed, the scrambler code can be set depending on how it is set by the dealer. When the UT-112 is installed, 32 codes (1 to 32) can be selected. When the UT-98 is installed, 128 codes (0 to 127) can be selected.

--Set Mode--

Scrambler Code

5 4 3 2

˘1

<ENT˘OK>

--Set Mode--

Scrambler Code

4 3 2 1

˘0

<ENT˘OK>

Default: 0

(When UT-98 is installed)

Default: 1

(When UT-112 is installed)

--Set Mode--

Scrambler Type

UT-98

˘UT-112

<ENT˘OK>

Default: UT-112

--Set Mode-Radio Power ˘ON

OFF

<ENT˘OK>

Default: ON

--Set Mode-Foghorn Frequency ˘400

350 300 250 200

<ENT˘OK>

Default: 400

CONNECTIONS AND MAINTENANCE

■ Connections

q NMEA IN LEAD (Red)

Connects to a GPS receiver for position indication.

• A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA, GNS, GLL and VTG) compatible GPS receiver is required. Ask your dealer about suitable GPS receivers.

w NMEA OUT LEAD (White)

Connects to a PC or navigation equipment (NMEA0183 ver. 3.01 sentence formatters DSC, DSE compatible) for position data received from other ships.

e EXTERNAL SPEAKER LEAD (Yellow)

Connects to an external speaker.

r HAILER/FOGHORN (–) LEAD (Black)

Connects to a hailer speaker (25 W nominal at 13.8 V/4 Ω).

t HAILER/FOGHORN (+) LEAD (Blue)

Connects to a hailer speaker (25 W nominal at 13.8 V/4 Ω).

y ANTENNA CONNECTOR

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

CAUTION: Transmitting without an antenna may damage the transceiver.

u GROUND TERMINAL

Connect this terminal to a vessel ground to prevent electrical shocks and interference from other equipment occur-

ring. Use a self-tapping screw (3 × 8 mm.)

i EXTERNAL MICROPHONE JACK

Connects the optional command microphone.

o MICROPHONE CONNECTOR

Connects the supplied microphone depending on version. Ask your dealer for details.

!0 DC POWER CONNECTOR

Connects the supplied DC power cable from this connector to an external 12 V battery.

Do not loose!

r t

Ferrite core*

CONNECTIONS AND MAINTENANCE

CAUTION: After connecting the DC power cable, NMEA

IN/OUT leads, external speaker lead and hailer/foghorn lead, cover the connector and leads with an adhesive tape as shown below, to prevent water seeping into the transceiver.

* The supplied ferrite core must be attached to the NMEA

in/out leads and DC power cables as illustrated at left. Fix the ferrite core near the transceiver with the two supplied ties to prevent it from moving.

■ 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.

■ Supplied accessories

■ Antenna

A key element in the performance of any communication system is the antenna. Ask your dealer about antennas and the best place to mount them.

Connection cable* (OPC-1000: 6m; 20 ft)

Mounting bracket For mounting bracket

DC power cable (OPC-891A)

Microphone hanger and screws (3×16)

Knob bolts

Screws (5×20)

Flat washers (M5)

Spring washers (M5)

Warning sticker

Ferrite core and ties

Mounting base*

Tapping screws* (M3 × 16)

For microphoneMicrophone*

*Depending on version

Rubber vulcanizing tape

Fuse rating: 10 A

9 CONNECTIONS AND MAINTENANCE

■ 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 4 supplied screws

(5 × 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 compass.

NOTE: Check the installation angle; the function display may not be easy-to-read at some angles.

• OVERHEAD MOUNTING

• MOUNTING ON THE BOARD

These screws are shown a mounting example only. Not supplied with accessories.

CONNECTIONS AND MAINTENANCE

■ MB-75 installation

An optional MB-75 FLUSH MOUNT KIT is available for mounting the transceiver to a ﬂat surface such as an instrument panel.

CAUTION: KEEP the transceiver and microphone at least 1 meter away from your vessel’s magnetic navigation compass.

q Using the template on the last page, carefully cut a hole

into the instrument panel (or wherever you plan to mount the transceiver).

w Slide the transceiver through the hole as shown below.

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

the IC-M504.

r Attach the clamps on either side of the IC-M504.

• Make sure that the clamps align parallel to the IC-M504’s body.

t Tighten the end bolts on the clamps (rotate clockwise) so

that the clamps press firmly against the inside of the instrument control panel.

y Tighten the locking nuts (rotate counterclockwise) so that

the IC-M504 is securely mounted in position as below.

u Connect the antenna and power cable, then return the in-

strument control panel to its original place.

End bolt

Locking nut

Clamp

Supplied bolt

9 CONNECTIONS AND MAINTENANCE

■ UT-112/UT-98 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 equipment damage.

Follow the case opening procedure shown here when you want to install an optional scrambler unit.

q Remove the 6 screws as shown below and open the trans-

ceiver.

w Disconnect the ﬂat cable and NMEA (4 pin) from J5 of the

LOGIC unit.

e Install an optional unit (UT-112 or UT-98) to J3 on the AF

unit as shown below.

Optional unit

AF unit

LOGIC unit

NMEA (4 pin)

Flat cable

CONNECTIONS AND MAINTENANCE

r Return the cables and screws to the original position.

• Be sure not upside down the ﬂat cable.

CAUTION:

• When re-assembling the case and tightening the screws, you must keep the speciﬁed torque (0.5±0.07 N.m). Otherwise the transceiver may be damaged (torque too high) or lose waterproof efﬁciency (torque too low).

• When uninstalling the optional unit, remove it vertically. Wiggling the unit from side to side may damage the optional unit's connector.

■ HM-162/HM-157 installation

The optional HM-157 can be connected to the transceiver directly, 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.

• The optional HM-162 should be installed to the transceiver using the supplied connection cable.

For longer distance remote operation, the optional extension cable, OPC-1541/OPC-999* (6 m; 20 ft/connecting between transceiver and the connection cable), is available, and up to two OPC-1541/OPC-999* can be added. *OPC-1541 : For the HM-162

OPC-999 : For the HM-157 Do not connect the HM-162 to the OPC-999, and the HM157 to the OPC-1541.

HM-157HM-162

9 CONNECTIONS AND MAINTENANCE

q Insert the supplied cable into the external microphone jack

and tighten the cable nut as shown below.

w To use the supplied cable as a wall socket, perform the fol-

lowing steps.

e Using the mounting base as a template, carefully mark the

holes where the cable and three screws will be fastened.

r Drill holes at these marks. t Install the mounting base using the supplied screws as

shown below.

• HM-162

• HM-157

y The completed installation should look like this.

• HM-162 • HM-157

Gasket

Cap

Mounting base

Nut

Screw holes (approx. 2 (d) mm;

32″)

Gasket

Cap

Mounting base Nut

Screw holes (approx. 2 (d) mm;

32″)

CONNECTIONS AND MAINTENANCE

Gasket

Mounting base

Cap

Nut

HM-162

9 CONNECTIONS AND MAINTENANCE

50 (d) mm; 1

⁄32˝

23 (d) mm;

⁄32˝

24 to 27 (d) mm

(

⁄16 to 1

⁄16˝)

5 mm; 3⁄16˝

Gasket

Mounting base

Cap

Nut

2 mm; 3⁄32˝

HM-157

TROUBLESHOOTING

9 10

PROBLEM POSSIBLE CAUSE SOLUTION REF.

No sound from speaker. • Squelch level is too high.

• Volume level is too low.

• Speaker has been exposed to water.

p. 8 p. 8

—

• Set [SQL] to the threshold point.

• Set [VOL] to a suitable level.

• Drain water from the speaker.

The transceiver does not turn ON.

• Bad connection to the power supply.

p. 58• Check the connection to the transceiver.

Transmitting is impossible, or high power can not be selected.

• Some channels are programmed for low power or receive only in regulations.

• The output power is set to low.

pgs. 6, 7, 70 p. 8

• Change channels.

• Push [H/L] to select high power.

Scan does not start. • TAG channel is not programmed. • Set the desired channels as TAG channels. p. 13

No beeps. • Beep tones are turned OFF.

• The squelch is open.

• Turn the beep tone ON in Set mode.

• Set [SQL] to the threshold point.

p. 56 p. 8

Distress call cannot be transmitted.

• MMSI (DSC self ID) code is not programmed.

• Program the MMSI (DSC self ID) code. p. 15

Sensitivity is low. • The Attenuator is activated. • Push [LO/DX•IC•SCRM] to turn the function

OFF.

p. 8

SPECIFICATIONS AND OPTIONS

■ Speciﬁcations

General

• Frequency coverage : Tx 156.025–157.425 MHz Rx 156.050–163.275 MHz

• Mode :

FM (16K0G3E), DSC (16K0G2B)

• Channel spacing : 25 kHz

• Current drain (at 13.8 V) : TX high 5.5 A max. Max. audio 1.5 A max.

• Power supply requirement : 13.8 V DC ±15% (negative ground)

• Frequency stability : ±10 ppm

(–20°C to +60°C; –4°F to +140°F)

• Antenna impedance : 50 Ω nominal

• Dimensions : 165(W) × 110(H) ×123.2(D) mm

(Projections not included) 6

⁄2(W) × 4 11⁄32(H) × 4

⁄32(D) in

• Weight : Approx. 1450 g; 3 lb 19 oz

Transmitter

• Output power : 25 W/1 W

• Modulation system : Variable reactance frequency modulation

• Max. frequency deviation : ±5.0 kHz

• Spurious emissions : Less than 70 dBc @ 25 W Less than 56 dBc @ 1 W

Receiver

• Receive system : Double conversion superheterodyne

• Sensitivity (12 dB SINAD) : 0.22 µV (typical)

• Squelch sensitivity : Less than 0.32 µV

• Intermodulation rejection ratio : 80 dB (typical)

•

Spurious response rejection ratio

: 80 dB (typical)

• Adjacent channel selectivity : 80 dB (typical)

• Audio output power : 4.5 W (typical) at 10% distortion with a 4 Ω load

All stated speciﬁcations are subject to change without notice or obligation.

SPECIFICATIONS AND OPTIONS

Dimensions

■ Options

• MB-75

FLUSH MOUNT KIT

For mounting the transceiver to a panel.

• HM-162

COMMANDMIC III

™ External microphone-type controller. Provides optional intercom operation. 6 m (20 feet) microphone cable and mounting base included. Black and white colors are available. Do not connect the HM-162 to the OPC-999.

• HM-157

COMMANDMIC II

• OPC-1541

MICROPHONE EXTENSION CABLE

6 m (20 feet) microphone extension cable for optional HM162

COMMANDMIC III

™. Up to 2 OPC-1541 can be connected.

(18 m; 60 feet maximum)

• OPC-999

MICROPHONE EXTENSION CABLE

6 m (20 feet) microphone extension cable for optional HM157

COMMANDMIC II

™. Up to 2 OPC-999 can be connected.

(18 m; 60 feet maximum)

• UT-112

VOICE SCRAMBLER UNIT

Ensures private communications. 32 codes are available. Not available in some countries.

• UT-98

VOICE SCRAMBLER UNIT

Ensures private communications. 128 codes are available. Not available in some countries.

Unit: mm (inch)

CHANNEL LIST

Channel number

USA CAN

Transmit

Receive

01 156.050 160.650

01A 156.050 156.050

02 156.100 160.700

03 156.150 160.750

03A 156.150 156.150

156.200 160.800

04A 156.200 156.200

156.250 160.850

05A 05A 156.250 156.250

06 06 156.300 156.300

156.350 160.950

07A 07A 156.350 156.350

08 08 156.400 156.400

09 09 156.450 156.450

10 10 156.500 156.500

11 11 156.550 156.550

12 12 156.600 156.600

156.650 156.650

14 14 156.700 156.700

156.750 156.750

16 16 156.800 156.800

156.850 156.850

156.900 161.500

18A 18A 156.900 156.900

Frequency (MHz)

INT

Channel number Frequency (MHz)

USA CAN

Transmit

Receive

19A 19A 156.950 156.950

157.000 161.600

21 157.050 161.650

21A 21A 157.050 157.050

157.100 161.700

22A 22A 157.100 157.100

23 157.150 161.750

23A 157.150 157.150

24 24 157.200 161.800

25 25 157.250 161.850

26 26 157.300 161.900

27 27 157.350 161.950

28 28 157.400 162.000

60 156.025 160.625

156.075 160.675

61A 61A 156.075 156.075

156.125 160.725

62A 156.125 156.125

156.175 160.775

63A 156.175 156.175

64 156.225 160.825

INT

20A 157.000 157.000

Channel number

66A

Frequency (MHz)

66A

USA CAN

Transmit

Receive

64A 64A 156.225 156.225

65A 65A 156.275 156.275

156.325 160.925

67 156.375 156.375

68 68 156.425 156.425

69 69 156.475 156.475

156.525 156.525

71 71 156.575 156.575

72 72 156.625 156.625

73 73 156.675 156.675

74 74 156.725 156.725

156.875 156.875

156.925 161.525

78A 78A 156.925 156.925

156.975 161.575

79A 79A 156.975 156.975

157.025 161.625

80A 80A 157.025 157.025

157.075 161.675

81A 81A 157.075 157.075

157.125 161.725

82A 82A 157.125 157.125

INT

65A

156.325 156.32566A

Channel number

84A

Frequency (MHz)

USA CAN

Transmit

Receive

83A 83A 157.175 157.175

84 84 157.225 161.825

85 85 157.275 161.875

85A 157.275 157.275

86 86 157.325 161.925

86A 157.325 157.325

87 87 157.375 161.975

87A 157.375 157.375

88 88 157.425 162.025

88A 157.425 157.425

INT

157.225 157.225

WX channel

Frequency (MHz)

Transmit Receive

1 RX only 162.550

2 RX only 162.400

3 RX only 162.475

5 RX only 162.450

6 RX only 162.500

7 RX only 162.525

8 RX only 161.650

9 RX only 161.775

10 RX only 163.275

RX only 162.425

Low power only.

DSC operation only

156.950 161.55019

21b Rx only 161.650

25b Rx only 161.850

156.275 160.87565

28b Rx only 162.000

83 157.175 161.77583

83b Rx only 161.775

Momentary high power.

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

R12 (Max.)

Cut here

MB-75

HM-157 HM-162

Unit: mm (inch)

MEMO

1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan

A-6483H-1US-q Printed in Japan

Icom IC-M504 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual