INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM402A
(REMOTE-CONTROL MIC COMPATIBLE)
iM402SA
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IN CASE OF EMERGENCY
NOTE
If your vessel requires assistance, contact other vessels and
the Coast Guard by sending a distress call on Channel 16.
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 con-
trols of the radio as in the diagram below. Make sure the cho-
sen location is clean and dry before applying the sticker.
(p. 33)
USING CHANNEL 16
DISTRESS CALL PROCEDURE
1. “MAYDAY MAYDAY MAYDAY.”
2. “THIS IS ...............” (name of vessel)
3. Your call sign or other indication of the vessel (AND 9-
digit DSC ID if you have one).
EXAMPLE
4. “LOCATED AT ...............” (your position)
5. The nature of the distress and assistance required.
6. Any other information which might facilitate the rescue.
WARNING
STICKER
Or, transmit your distress call using digital selective calling on
Channel 70.
WARNING.
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 from a coast station.
• Channel 16 is automatically selected.
3. Push and hold [PTT], then transmit the appropriate
information as listed above.
ii
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RADIO OPERATOR WARNING
Icom requires the radio operator to meet the
FCC Requirements for Radio Frequency Expo-
sure. An omnidirectional antenna with gain not
greater than 9 dBi must be mounted a minimum
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 EXPO-
SURE 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.
WARNING
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 re-
quirements. 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.
Determining MPE Radius
THE MAXIMUM PERMISSIBLE EXPOSURE (MPE) RA-
DIUS 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 MAXI-
MUM GAIN OF 9dBi ARE USED FOR A SHIP MOUNTED
SYSTEM.
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 allow-
able MPE level set by FCC.
iii
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TABLE OF CONTENTS
11 COMMANDMIC® HM-127
FOREWORD ……………………………… i
IMPORTANT ……………………………… i
EXPLICIT DEFINITIONS ………………… i
IN CASE OF EMERGENCY …………… ii
NOTE ……………………………………… ii
RADIO OPERATOR WARNING………… iii
TABLE OF CONTENTS ………………… iv
PRECAUTION …………………………… v
6
DSC OPERATION ……………… 14–28
I MMSI code programming ……… 14
I MMSI code check ………………… 14
I DSC individual ID ………………… 15
I Position indication………………… 16
I Distress call ……………………… 17
I Transmitting DSC calls…………… 18
I Receiving DSC calls……………… 25
(IC-M402A only) ………………… 38–51
I Panel description …………………38
I Function display ……………………40
I Channel selection …………………42
I Receiving and transmitting ………43
I Call channel programming ………44
I Lock functions………………………44
I Display backlighting ………………45
I Monitor function ……………………45
I Dualwatch/Tri-watch operation …45
I Setting tag channels ………………46
I Starting a scan ……………………46
I Set mode programming …………47
I Intercom operation…………………48
I Channel comments ………………48
I HM-127 supplied accessories ……49
I Installation …………………………50
7
8
9
INTERCOM OPERATION
(IC-M402A Only) ……………………… 29
I Intercom operation ……………… 29
1
2
OPERATING RULES ………………… 1
PANEL DESCRIPTION …………… 2–5
I Front panel ………………………… 2
I Function display …………………… 4
I Microphone ………………………… 5
SET MODE ……………………… 30–32
I SET mode programming ………… 30
I SET mode items ………………… 31
3
BASIC OPERATION …………… 6–10
I Channel selection ………………… 6
I Receiving and transmitting ……… 8
I Call channel programming………… 9
I Channel comments ……………… 10
I Microphone lock function………… 10
I Display backlighting ……………… 10
CONNECTIONS AND
MAINTENANCE………………… 33–36
I Supplied accessories …………… 33
I Antenna …………………………… 33
I Fuse replacement………………… 33
I Cleaning …………………………… 33
I Connections ……………………… 34
I Mounting the transceiver ………… 35
I Optional MB-92 attachment …… 35
I Optional MB-69 installation ……… 36
12 CHANNEL LIST …………………… 52
13 SPECIFICATIONS …………… 53–54
I Specifications …………………… 53
I Dimensions ……………………… 54
4
5
DUALWATCH/TRI-WATCH………… 11
I Description ………………………… 11
I Operation ………………………… 11
14 TEMPLATE ………………………… 55
15 OPTIONS …………………………… 57
SCAN OPERATION …………… 12–13
I Scan types ………………………… 12
I Setting tag channels……………… 13
I Starting a scan …………………… 13
10 TROUBLESHOOTING……………… 37
iv
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PRECAUTION
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.
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.
BE CAREFUL! The transceiver and optional HM-127*em-
ploy waterproof construction, which corresponds to JIS wa-
terproof specification, Grade 7 (1 m/30 min.). However, once
the transceiver or microphone has been dropped, water-
proofing cannot be guaranteed due to the fact that the case
may be cracked, or the waterproof seal damaged, etc.
*IC-M402A only
NEVER connect the transceiver to a power source of more
than 16 V DC or use reverse polarity. This will ruin the trans-
ceiver.
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the transceiver may be damaged.
NEVER place the transceiver where normal operation of the
vessel may be hindered or where it could cause bodily injury.
KEEP the transceiver at least 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.
v
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OPERATING RULES
1
(2) OPERATOR’S LICENSE
D
PRIORITIES
1
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.
• 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.
The Restricted Radiotelephone Operator Permit must be
posted or kept with the operator. Only a licensed radio opera-
tor may operate a transceiver.
• You must monitor Channel 16 when you are not operating
on another channel.
• False or fraudulent distress signals are prohibited and pun-
ishable by law.
However, non-licensed individuals may talk over a transceiver
if a licensed operator starts, supervises, ends the call and
makes the necessary log entries.
D
PRIVACY
• Information overheard but not intended for you cannot law-
Keep a copy of the current government rules and regulations
handy.
fully be used in any way.
• Indecent or profane language is prohibited.
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 termi-
nal, 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.
D
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.
1
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PANEL DESCRIPTION
2
I Front panel
r SCAN KEY [SCAN•TAG] (p. 13)
Speaker
Function display
q
w
➥ Starts and stops Normal or Priority scan.
➥ Sets or clears the displayed channel as a tag (scanned)
channel when pushed for 1 sec.
➥ While pushing [HI/LO] on the microphone, push for 3
sec. to clear or set all tag channels in the selected chan-
nel group.
t CHANNEL/WEATHER CHANNEL KEY [CH/WX•DUAL]
➥ Toggles between regular channels and weather chan-
nel when pushed momentarily. (p. 7)
➥ Starts Dualwatch or Tri-watch when pushed for 1 sec.
(p. 11)
➥ Stops Dualwatch or Tri-watch when either is activated.
i
u y
t
r
e
y CHANNEL 16/CALL CHANNEL KEY [16•9]
➥ Selects Channel 16 when pushed. (p. 6)
➥ Selects call channel when pushed for 1 sec. (p. 6)
• “CALL” appears when call channel is selected.
➥ Push for 3 sec. to enter call channel programming con-
dition when call channel is selected. (p. 9)
➥ While pushing [CH/WX•DUAL], push to enter the chan-
nel comments programming condition. (p. 10)
➥ Enters Set mode when pushed while turning power ON.
(p. 30)
q DISTRESS KEY [DISTRESS]
Transmits Distress call when pushed for 5 sec. (p. 17)
w POWER/VOLUME CONTROL [VOL]
Turns power ON and OFF and adjusts the audio level. (p. 8)
e SQUELCH CONTROL [SQL]
Sets the squelch threshold level. (p. 8)
2
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PANEL DESCRIPTION 2
2
u CHANNEL UP/DOWN KEYS [Y]/[Z]•[U/I/C]
➥ Selects the operating channels, Set mode settings, etc.
(pgs. 6, 7, 30)
➥ While pushing [SCAN•TAG], push [Y] or [Z] to adjust
the brightness of the LCD and key backlight. (p. 10)
➥ Selects one of three channel groups in sequence when
both keys are pushed. (p. 7)
• International, U.S.A. and Canadian channels are available.
i DSC/INTERCOM KEY [DSC•IC]
➥ Selects the DSC menu when pushed. (p. 14)
➥ Activates an optional intercom function when pushed for
1 sec. (p. 29, IC-M402A only)
➥ While pushing [SCAN•TAG], push to show the current
position from a GPS receiver. (p. 16)
3
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2
PANEL DESCRIPTION
I Function display
q
r TAG CHANNEL INDICATOR (p. 13)
w
e
Appears when a tag channel is selected.
t CALL CHANNEL INDICATOR (p. 6)
r
t
y
u
Appears when the call channel is selected.
y LOW POWER INDICATOR (p. 8)
Appears when low power is selected.
i
o
u DUPLEX INDICATOR (p. 7)
Appears when a duplex channel is selected.
!
i WEATHER CHANNEL INDICATOR (pgs. 7, 31)
➥ “WX” appears when a weather channel is selected.
➥ “WX ALT” appears when the Weather alert function is
in use; blinks when an alert tone is received.
!
!
o GPS INDICATOR
q CHANNEL NUMBER READOUT
➥ Appears while valid position data is received.
➥ Blinks when invalid position data is received.
➥ Disappears when no GPS receiver is connected.
➥ Indicates the selected operating channel number.
• “ ” appears when a simplex channel is selected. “ ” appears
when a receive only channel for a Canadian channel group
is selected. (p. 7)
! DSC INDICATOR
Indicates the DSC status.
➥ In Set mode, indicates the selected condition. (p. 30)
➥ “DSC” appears when a DSC call is received. (p. 25)
➥ “POS REPLY” appears when a Position Request Reply
call or Position Report Reply call is received. (p. 28)
w TRANSMIT INDICATOR (p. 8)
Appears while transmitting.
e BUSY INDICATOR (p. 8)
Appears when receiving a signal or when the squelch
opens.
4
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PANEL DESCRIPTION 2
I Microphone
2
! CHANNEL COMMENT INDICATOR
➥ Channel comment appears if programmed. (p. 10)
q
➥ “
” scrolls when the battery voltage drops to
approx. 10 V DC or below.
➥ “ ” blinks during Dualwatch; “ ” blinks during Tri-
watch. (p. 11)
! CHANNEL GROUP INDICATOR (p. 7)
Indicates whether a U.S.A. “U,” International “I” or Cana-
dian “C” channel is in use.
Microphone
w
e
q PTT SWITCH [PTT]
Push and hold to transmit; release to receive. (p. 8)
w CHANNEL UP/DOWN KEYS [Y]/[Z]
Push either key to change the operating memory channel,
Set mode settings, etc. (pgs. 6, 7, 30)
e TRANSMIT POWER KEY [HI/LO]
➥ Toggles power high and lower when pushed. (p. 8)
• Some channels are set to low power only.
➥ While pushing [HI/LO], turn power ON to toggle the mi-
crophone lock function ON and OFF. (p. 10)
5
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BASIC OPERATION
3
I Channel selection
ï
ï
Channel 16
Channel 9 (Call channel)
Channel 16 is the distress and safety channel. It is used for
establishing initial contact with another station and for emer-
gency communications. Channel 16 is monitored during both
Dualwatch and Tri-watch. While standing by, you must moni-
tor Channel 16.
Each regular channel group has a separate leisure-use call
channel. The call channel is monitored during Tri-watch. The
call channels can be programmed (p. 9) and are used to store
your most often used channels in each channel group for
quick recall.
➥ Push [16•9] momentarily to select Channel 16.
➥ Push [CH/WX•DUAL] to return to the condition before select-
ing Channel 16, or push [Y] or [Z] to select operating chan-
nel.
➥ Push [16•9] for 1 sec. to select the call channel of the se-
lected channel group.
• “CALL” 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] to return to the condition before se-
lecting call channel, or push [Y] or [Z] to select an oper-
ating channel.
Push
Push
for 1 sec.
Scrolls
Scrolls
6
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BASIC OPERATION 3
ï
ï
U.S.A.,Canadian and international channels
Weather channels
The IC-M402A/M402SA are preprogrammed with 57 U.S.A.,
61 Canadian and 57 international channels. These channel
groups may be specified for the operating area.
The IC-M402A/M402SA has 10 weather channels. These are
used for monitoring broadcasts from NOAA (National
Oceanographic and Atmospheric Administration.)
3
The transceiver can detect a weather alert tone on the se-
lected weather channel while receiving the channel, during
standby on a regular channel or while scanning. (p. 31)
q Push [CH/WX•DUAL] to select a regular channel.
• If a weather channel appears, push [CH/WX•DUAL] again.
w Push both [Y] and [Z] on the transceiver to change the
channel group, if necessary.
• U.S.A., International and Canadian channels can be selected in
sequence.
e Push [Y] or [Z] to select a channel.
• “DUP” appears for duplex channels.
q Push [CH/WX•DUAL] once or twice to select a weather
channel.
• “WX” appears when a weather channel is selected.
• “WX ALT” appears when the Weather alert function is in use.
(p. 31)
• “ ” appears when a simplex channel is selected. “ ” appears
when a receive only channel for a Canadian channel group is
selected.
Push
once or twice
When Weather alert is OFF.
When Weather alert is ON.
Push
and
w Push [Y] or [Z] to select a channel.
7
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3
BASIC OPERATION
I Receiving and transmitting
CAUTION: Transmitting without an antenna may dam-
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN-
NOT be lawfully used by the general public in U.S.A. wa-
ters.
age the transceiver.
q Rotate [VOL] to turn power ON.
w Set the audio and squelch levels.
IMPORTANT: To maximize the readability of your trans-
mitted 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 (M) at a normal voice level.
➥ Rotate [SQL] fully counterclockwise in advance.
➥ Rotate [VOL] to adjust the audio output level.
➥ Rotate [SQL] clockwise until the noise disappears.
e To change the channel group, push both [Y] and [Z] on
the transceiver. (p. 7)
q
yu
r Push [Y] or [Z] to select the desired channel. (p. 6)
• When receiving a signal, “
” appears and audio is emitted
from the speaker.
• Further adjustment of [VOL] may be necessary.
t Push [HI/LO] to select the output power if necessary.
• “LOW” appears when low power is selected.
• Choose low power for short range communications, choose high
power for longer distance communications.
M
• Some channels are for low power only.
er
w
r
t
y Push and hold [PTT] to transmit, then speak into the mi-
crophone (M).
M: Microphone
• “
” appears.
• Channel 70 cannot be used for transmission other than DSC.
u Release [PTT] to receive.
8
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BASIC OPERATION 3
I 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.
r Push [Y] or [Z] to select
the desired channel.
3
q Push both [Y] and [Z] on
the transceiver one or more
times to select the desired
channel group (U.S.A., In-
ternational or Canada) to be
programmed.
t Push [16•9] to program the
displayed channel as the
call channel.
• Push [CH/WX•DUAL] to can-
cel.
• The channel number stops
blinking.
w Push [16•9] for 1 sec. to se-
lect the call channel of the
selected channel group.
• “CALL” and call channel num-
ber appear.
e Push [16•9] again for 3 sec.
(until a long beep changes
to 2 short beeps) to enter
call channel programming
condition.
• Channel number starts blink-
ing.
9
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3
BASIC OPERATION
I Channel comments
I Microphone lock function
Memory channels can be labeled with alphanumeric com-
ments of up to 10 characters each for easy channel recogni-
tion.
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.
More than 6 characters comment scrolls automatically at the
channel comment indicator after the channel selection.
➥ While pushing [HI/LO] on the microphone, turn power ON
to toggle the lock function ON and OFF.
Capital letters, small letters (except f, j, p, s, y, x, z), 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 [CH/WX•
DUAL], push [16•9] to edit
[Y]/[Z]
[HI/LO]
the channel comment.
• A cursor and the first char-
acter start blinking alter-
nately.
e Select the desired charac-
ter by pushing [Y] or [Z].
• Push [SCAN•TAG] or [CH/WX•DUAL] to move the cursor forward
or backward, respectively.
I Display backlighting
r Repeat step e to input all characters.
t Push [16•9] to input and set the comment.
• Push [DSC•IC] to cancel.
• A cursor and the character stop blinking.
y Repeat steps q to t to program other channel com-
ments, if desired.
The function display and keys can be backlit for better visibil-
ity under low light conditions.
➥ While pushing [SCAN•TAG], push [Y] or [Z] to adjust the
brightness of the LCD and key backlight.
• The backlight is selectable in 3 levels and OFF.
10
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DUALWATCH/TRI-WATCH
4
I Description
I Operation
Dualwatch monitors Channel 16 while you are receiving
another channel; Tri-watch monitors Channel 16 and the call
channel while receiving another channel. Dualwatch/Tri-watch
are convenient for monitor Channel 16 when you are operat-
ing on another channel.
q Select Dualwatch or Tri-watch in Set mode. (p. 31)
w Select the desired operating channel.
e Push [CH/WX•DUAL] for 1 sec. to start Dualwatch or Tri-
watch.
• “ ” blinks during Dualwatch; “ ” blinks during Tri-watch.
• A beep tone sounds when a signal is received on Channel 16.
r To cancel Dualwatch/Tri-watch, push [CH/WX•DUAL] again.
3
4
DUALWATCH/TRI-WATCH SIMULATION
Call channel
[Example]: Operating Tri-watch on INT Channel 25
Tri-watch starts.
Push
for 1 sec.
Signal is received on call
channel.
Dualwatch
Tri-watch
Signal is received on
Channel 16 takes priority.
• If a signal is received on Channel 16, Dualwatch/Tri-watch
pauses on Channel 16 until the signal disappears.
• If a signal is received on the call channel during Tri-watch,
Tri-watch becomes Dualwatch until the signal disappears.
• To transmit on the selected channel during Dualwatch/Tri-
watch, push and hold [PTT].
Tri-watch resumes after
the signal disappears.
11
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SCAN OPERATION
5
I Scan types
Scanning is an efficient way to locate signals quickly over a
wide frequency range. The transceiver has Priority scan and
Normal scan.
Set the tag channels (scanned channel) before scanning.
Clear the tag channels which inconveniently stop scanning,
such as those for digital communication use.
When the weather alert function is turned ON, the previously
selected (used) weather channel is also checked while scan-
ning. (p. 31)
Choose Priority or Normal scan in Set mode. (p. 31)
PRIORITY SCAN
NORMAL SCAN
CH 01
CH 02
CH 01
CH 02
CH 06
CH 03
CH 06
CH 16
CH 03
CH 05
CH 04
CH 05
CH 04
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.
Normal scan, like Priority scan, searches through all tag
channels in sequence. However, unlike priority scan, Chan-
nel 16 is not checked unless Channel 16 is set as a tag
channel.
12
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SCAN OPERATION 5
I Setting tag channels
I Starting a scan
For more efficient scanning, add desired channels as tag
channels or clear the tag for unwanted channels.
Channels are not tagged will be skipped during scanning. Tag
channels can be assigned to each channel group (USA, INT,
CAN) independently.
Set scan type (Priority or Normal) and scan resume timer in
advance, using Set mode. (p. 31)
q Set tag channels as described at left.
w Make sure the squelch is closed to start a scan.
e Select the channel group (USA, CAN, INT) by pushing
both [Y] and [Z] on the transceiver, if desired.
r Push [SCAN•TAG] to start Priority or Normal scan.
5
q Select the desired channel group (USA, INT, CAN) by
pushing both [Y] and [Z].
w Select the desired channel to set as a tag channel.
e Push [SCAN•TAG] for 1 sec. to be set the displayed chan-
nel as a tag channel.
• “
” or “
” appears at the channel comment indicator.
• When a signal is detected, scan pauses until the signal disap-
pears or resumes after pausing 5 sec. according to Set mode
setting. (Channel 16 is still monitored during Priority scan.)
• Push [Y] or [Z] to check the scanning tag channels, to change
the scanning direction or resume the scan manually.
• “ ” blinks at the channel comment indicator and a beep tone
sounds when a signal is received on Channel 16 during Priority
scan.
• “
” appears in the display.
r To cancel the tag channel setting, push [SCAN•TAG] for
1 sec.
• “
” disappears.
✔ Clearing (or setting) all tagged channels
While pushing [HI/LO] on the microphone, push [SCAN•TAG]
for 3 sec. (until a long beep changes to 2 short beeps) to clear
all tag channels in the channel group.
t To stop the scan, push [SCAN•TAG].
• Repeat above procedure to set all tag channels.
Scan starts.
When a signal is received.
[Example]: Starting a normal scan.
Push
13
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DSC OPERATION
6
I MMSI code programming
I MMSI code check
The 9-digit MMSI (Maritime Mobile Service Identity: DSC self
ID) code can be programmed at power ON.
The 9-digit MMSI (DSC self ID) code can be checked.
q Push [DSC•IC] to enter the DSC menu.
This function is not available when the MMSI code has
been programmed by the dealer. This code programming
can be performed only twice.
w Push [Y] or [Z] to select “
” and push [DSC•IC].
q Turn power OFF.
w While pushing [DSC•IC], turn power ON to enter MMSI
code programming condition.
e After the display appears, release [DSC•IC].
• A cursor starts blinking.
e Check the 9-digit MMSI (DSC self ID) code.
• The MMSI code is displayed and scrolls at the channel comment
indicator.
r Edit the specified MMSI code by pushing [Y] or [Z].
• Push [SCAN•TAG] or [CH/WX•DUAL] to move the cursor forward
or backward, respectively.
MMSI (DSC self ID) code scrolls
t Input 9-digit code, then push [DSC•IC] to set the code.
• Returns to the normal operation.
r Push [DSC•IC] to exit the DSC menu.
14
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DSC OPERATION 6
I DSC individual ID
A total of 30 DSC address IDs (9-digit) can be programmed
and named with up to 5 characters.
r Push [Y] or [Z] to input 9-digit of the appropriate Individ-
ual/Group ID.
• Push [SCAN•TAG] or [CH/WX•DUAL] to move the cursor forward
or backward, respectively.
• Push [16•9] to cancel and exit the condition.
D Programming Address ID/Group ID
q Push [DSC•IC] to enter the DSC menu.
1st digit ‘0’ is fixed for a group ID. Thus an address ID input
cannot start with ‘0.’ When you input 1st digit ‘0’ and other 8
digits, the ID is automatically registered as a group ID.
w Push [Y] or [Z] to select “
,” and push [DSC•IC].
6
Scrolls
,” and push [DSC•IC].
e Push [Y] or [Z] to select “
t After inputting 9-digit ID, push [DSC•IC] to input 5 charac-
ters ID name using [Y] or [Z].
• Push [SCAN•TAG] or [CH/WX•DUAL] to move the cursor forward
or backward, respectively.
• Push [16•9] to cancel and exit the condition.
y Push [DSC•IC] to program and exit the DSC menu.
15
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6
DSC OPERATION
D Deleting Address ID/Group ID
q Push [DSC•IC] to enter the DSC menu.
I Position indication
w Push [Y] or [Z] to select “
” and push [DSC•IC].
When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con-
nected, the transceiver indicates the current position data in
seconds of accuracy.
A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC,
GGA, GNS, GLL) compatible GPS receiver is required. Ask
your dealer about suitable GPS receivers.
Scrolls
e Push [Y] or [Z] to select “ ”, then push [DSC•IC].
• When no address ID is programmed, “ ” is displayed.
➥ While pushing [SCAN•TAG], push [DSC•IC] to display the
current position.
• ‘Latitude’ and ‘Longitude’ scroll in sequence at the channel com-
ment indicator.
• “
” scrolls when no GPS is connected.
r Push [Y] or [Z] to select the desired ID name for deleting
and push [DSC•IC].
• “
” appears.
Scrolls
• When the connecting GPS receiver is compatible with
several sentence formatters, the order of input prece-
dence is ‘RMC,’ ‘GGA,’ ‘GNS’ and ‘GLL.’
• “GPS” blinks when the GPS data is invalid.
t Push [DSC•IC] to delete the address ID and exit the DSC
menu.
16
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DSC OPERATION 6
I 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 imme-
diate 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.
Scrolls
6
r After receiving the acknowledgment, reply using the mi-
crophone.
• “
” scrolls at the channel comment indicator.
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 (Ch 70) is automatically selected and the
Distress call is transmitted.
Scrolls
➥ A distress alert contains;
• Kinds of distress: Undesignated distress
• Position data
: Latest GPS position data held for 23.5 hrs.
or until the power is turned OFF.
e After transmitting the call, the transceiver waits for an ac-
knowledgment call on Ch70.
➥ The Distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
➥ Push [DISTRESS] to transmit a renewed Distress call,
if desired.
➥ Push any key except [DISTRESS] to cancel the ‘Call
repeat’ mode.
• The Distress call is automatically transmitted every 3.5 to 4.5
minutes.
• “
” scrolls at the channel comment indicator.
17
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6
DSC OPERATION
I Transmitting DSC calls
e Push [Y] or [Z] to specify the desired intership channel,
and push [DSC•IC].
D Transmitting Individual call
The Individual call function allows you to transmit a DSC sig-
nal to a specific ship only.
• Channel 70 is selected and “
” appears.
q Push [DSC•IC] to enter the DSC menu.
• “
” scrolls at the channel comment indicator.
r Push [DSC•IC] to transmit the Individual call.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
Scrolls
w Push [DSC•IC] and select the desired pre-programmed in-
dividual address using [Y] or [Z], then push [DSC•IC].
• The ID code for the individual call must be set in advance.
(p. 15)
• Routine category only is available.
Push [DSC IC] to
transmit DSC call.
When Ch 70 is busy.
18
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DSC OPERATION 6
t After transmitting the Individual call, stands by on Channel
D Transmitting Individual acknowledgement
Transmit an acknowledgement (‘able to comply’ or ‘unable to
comply’) when an Individual call for you is received.
70 until an acknowledgement is received.
• “
” scrolls at the channel comment indicator.
q Push [DSC•IC] to enter the DSC menu.
w Push [Y] or [Z] to select “
” and push [DSC•IC].
6
• “
” item appears after an Individual call is received.
• “
” item disappears if another call is received after the
Individual call.
Scrolls
• The Individual acknowledgement can be transmitted to the last
received individual call only.
y When the acknowledgement (‘able to comply’) is received,
the specified channel (in step e) is selected with beeps
automatically. Or, when the acknowledgement (‘unable to
comply’) is received, the display changes to the operated
channel (before enter the DSC menu) with beeps.
• “
” or “
” scrolls at the channel com-
ment indicator.
Scrolls
e Push [Y] or [Z] to select the acknowledgement “
.”
” or
“
Scrolls
u Push and hold [PTT] to communicate your message to the
responding ship.
19
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6
DSC OPERATION
r Push [DSC•IC] to enter selected Individual call acknowl-
D Transmitting Group call
The Group call function allows you to transmit a DSC signal
to a specific group only.
edgement.
• “
” appears at the channel comment indicator.
q Push [DSC•IC] to enter the DSC menu.
w Push [Y] or [Z] to select “
,” and push [DSC•IC].
t Push [DSC•IC] to transmit the acknowledgement to the se-
lected station.
e Push [Y] or [Z] to select the desired pre-programmed
group address, and push [DSC•IC].
• The ID code for the group call must be set in advance. (p. 15)
y After the Individual acknowledgement has been transmit-
ted, the display changes to the channel specified by the
calling station automatically when “
” is selected.
20
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DSC OPERATION 6
r Push [Y] or [Z] to specify the desired intership channel,
and push [DSC•IC].
y After the Group call has been transmitted, the display
changes to the previously specified channel.
• Channel 70 is selected and “
” appears.
6
u Push and hold [PTT] to communicate your message to the
responding ship.
t Push [DSC•IC] to transmit the Group call.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
• Routine category only is available.
21
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6
DSC OPERATION
D Transmitting All Ships call
Large ships use Channel 70 as their ‘listening channel.’
When you want to announce a message to these ships, use
r Push [DSC•IC] to transmit the All Ships call.
• Routine category only is available.
the
‘All Ships call’ function.
q Push [DSC•IC] to enter the DSC menu.
w Push [Y] or [Z] to select “
.”
t After the All Ships call has been transmitted, the display
changes to Channel 16 automatically.
Scrolls
e Push [DSC•IC] to enter the standby condition for All Ships
call.
• Channel 70 is selected and “
” appears.
Scrolls
22
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DSC OPERATION 6
D Transmitting Position Request call
Transmit a Position Request call when you want to know a
specified ship’s current position, etc.
r Push [DSC•IC] to enter the standby condition for Position
Request call.
• Channel 70 is selected and “
” appears.
q Push [DSC•IC] to enter the DSC menu.
w Push [Y] or [Z] to select “
[DSC•IC].
,” then push
6
t Push [DSC•IC] to transmit the Position Request call.
Scrolls
e Push [Y] or [Z] to select the desired pre-programmed in-
dividual address.
• The ID code for position request must be set in advance. (p. 15)
y After the Position Request call has been transmitted, the
following indication is displayed.
• “
” scrolls at the channel comment indicator.
Scrolls
u Push any key to exit the condition and return to the nor-
mal operation.
23
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6
DSC OPERATION
D Transmitting 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.
r Push [DSC•IC] to enter the standby condition for Position
Report call.
• Channel 70 is selected and “
” appears.
q Push [DSC•IC] to enter the DSC menu.
w Push [Y] or [Z] to select “
[DSC•IC].
,” and push
t Push [DSC•IC] to transmit the Position Report call.
Scrolls
e Push [Y] or [Z] to select the desired pre-programmed in-
dividual address.
• The ID code for the position report call can be set in advance.
(p. 15)
y After the Position Report call has been transmitted, stand
by on Channel 70 until an acknowledgement is received.
• “
” scrolls at the channel comment indicator.
Scrolls
u Push any key to exit the condition and return to the nor-
mal operation.
24
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DSC OPERATION 6
I Receiving DSC calls
D Receiving a Distress call
D Receiving a Distress acknowledgement
While monitoring Channel 70 and a Distress acknowledge-
ment to other ship is received:
➥ The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
While monitoring Channel 70 and a Distress call is received:
➥ The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
➥ “DSC” appears and “
” scrolls at the channel
comment indicator, then Channel 16 is automatically se-
➥ “DSC” appears and “
” scrolls at the chan-
lected.
nel comment indicator, then Channel 16 is automatically
selected.
6
➥ Continue monitoring Channel 16 as a coast station may re-
quire assistance.
Scrolls
Scrolls
D Receiving a Distress Relay call
While monitoring Channel 70 and a Distress Relay acknowl-
edgement is received:
➥ The emergency alarm sounds for 2 minutes.
• Push any key to stop the alarm.
➥ “DSC” appears and “
” scrolls at the channel com-
ment indicator, then Channel 16 is automatically selected.
Scrolls
25
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6
DSC OPERATION
D Receiving an Individual call
While monitoring Channel 70 and an Individual call is re-
ceived:
➥ The emergency alarm or beeps sound depending on the
received category.
D 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.
➥ “DSC” appears and “
” scrolls at the channel
➥ “DSC” appears and “
” scrolls at the channel
comment indicator.
comment indicator.
Scrolls
Scrolls
➥ Push [DSC•IC] to change to the channel specified by the
calling station for voice communication; push any other key
to ignore the Group call.
➥ Push [DSC•IC] to change to the channel specified by the
calling station for voice communication; push any other key
to ignore the Individual call.
26
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DSC OPERATION 6
D Receiving an All Ships call
D Receiving a Geographical Area call
While monitoring Channel 70 and an All Ships call is received:
➥ The emergency alarm sounds when the category is ‘Dis-
tress’ or ‘Urgency’; 2 beeps sound for other categories.
While monitoring Channel 70 and a Geographical Area call
(for the area you are in) is received:
➥ The emergency alarm or beeps sound depending on the
received category.
➥ “DSC” appears and “
” scrolls at the channel
comment indicator.
➥ “DSC” appears and “
” scrolls at the chan-
nel comment indicator.
6
Scrolls
Scrolls
➥ Push [DSC•IC] to change to the channel specified by the
calling station for voice communication; push any other key
to ignore the All Ships call.
➥ Monitor the channel for an announcement from the calling
vessel.
➥ Push [DSC•IC] to change to the channel specified by the
calling station for voice communication; push any 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 prob-
lem with the connected receiver, all Geographical Area
calls are received, regardless of your position.
27
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6
DSC OPERATION
D Receiving a Position Request call
While monitoring Channel 70 and a Position Request call is
received:
D Receiving a Position Report call
While monitoring Channel 70 and a Position Report call is re-
ceived:
➥ “DSC” appears and “
” scrolls at the chan-
➥ “DSC” appears and “
” scrolls at the chan-
nel comment indicator.
nel comment indicator.
Scrolls
Scrolls
➥ Push [DSC•IC] to reply to the Position Request call; push
➥ Push [DSC•IC] to reply to the Position Report call; push
any other key to ignore the Position Request call.
any other key to ignore the Position Report call.
D Receiving a Position Request Reply call
While monitoring Channel 70 and a Position Request Reply
call is received:
D Receiving a Position Report Reply call
While monitoring Channel 70 and a Position Report Reply call
is received:
➥ “DSC” and “POS REPLY” appear in the display.
• The ‘Latitude’ and ‘Longitude’ from the called station is displayed
and scrolled automatically in order of Latitude co-ordinates and
then Longitude co-ordinates.
➥ “DSC” and “POS REPLY” appear in the display.
• The ‘Latitude’ and ‘Longitude’ you have sent is displayed and
scrolled automatically in order of Latitude co-ordinates and then
Longitude co-ordinates.
Scrolls
Scrolls
28
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INTERCOM OPERATION (IC-M402A only)
I Intercom operation
7
The optional Intercom function allows you to talk to the deck
from the cabin. The optional HM-127 REMOTE-CONTROL
MICROPHONE is required for Intercom operation.
INT
Connect an optional HM-127 as described on pgs. 34, 57.
• Transmitting is impossible during Intercom operation.
• The received signal is muted during Intercom operation.
IC-M402A (caller)
HM-127 (listener)
6
7
r After releasing the PTT switch you can hear the response
through the speaker.
t To return to the normal operation, push [DSC•IC] momen-
tarily.
q Push [DSC•IC] for 1 sec. to enter Intercom mode.
• The HM-127 power is automatically turned ON, even if the power
is OFF.
• Other keys also turn the function OFF, however, the correspond-
ing function is then activated (e.g. pushing [16•9] selects Chan-
nel 16).
INT
• 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 avail-
able.
IC-M402A
HM-127
w Push and hold [DSC•IC] again to call up.
• The transceiver and microphone emit call beeps.
e Push and hold the PTT switch and speak at a normal voice
level into the microphone.
• When a DSC call is received, “DSC” appears and DSC
message is displayed at the channel comment indicator
after the Intercom use is finished.
• “
” or “
” appears on the caller or listener function dis-
• When a WX alert is received, “WX ALT” blinks and a
beep sounds. The WX alert sounds after the Intercom
use is finished.
play, respectively.
• To adjust the IC-M402A’s speaker output level, rotate [VOL].
• To adjust the HM-127’s speaker output level, push [Y] or [Z]
after pushing [VOL] on the HM-127.
29
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SET MODE
8
I Set mode programming
Set mode is used to change the conditions of the trans-
ceiver’s functions: Scan type (Normal or Priority,) Scan re-
sume timer, Weather alert, Dual/Tri-watch, DSC watch, Beep
tone (transceiver,) LCD contrast and Auto ACK.
D Set mode operation
q Turn power OFF.
w While pushing [16•9], turn power ON to enter Set mode.
• “
” appears at the channel comment indicator.
e After the display appears, release [16•9].
Available functions may differ depending on dealer setting.
r Push [16•9] to select the desired item, if necessary.
t Push [Y] or [Z] to select the desired condition of the item.
y Turn power OFF, then ON again to exit Set mode.
D SET MODE CONSTRUCTION
Scan type
Scan resume timer
Weather alert
Auto acknowledgement
Scrolls
Starting item
Push
LCD contrast
Beep tone
DSC watch
Dual/Tri-watch
Scrolls
30
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SET MODE 8
I SET mode items
D
D Scan type
Weather alert
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 se-
quence while monitoring Channel 16.
A NOAA broadcast station transmits a weather alert tone be-
fore important weather information. When the weather alert
function is turned ON, the transceiver detects the alert, then
the “WX ALT” indicator blinks until the transceiver is operated.
The previously selected (used) weather channel is checked
any time during standby or while scanning.
• “WX ALT” appears instead of “WX” indication when the function is
set ON.
8
Normal scan (default)
Priority scan
D
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 re-
ceived on any other channel than Channel 16.
Weather alert OFF (default)
Weather alert ON
D
Dual/Tri-watch
This item can be selected as Dualwatch or Tri-watch. (p. 11)
Dualwatch (default)
Tri-watch
Scan timer OFF (default)
Scan timer ON
31
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8
SET MODE
D
D
DSC watch
LCD contrast
DSC watch monitors Channel 70 while you are receiving an-
other channel.
This item adjusts the contrast of the LCD in 4 levels.
The LCD contrast can be adjustable in 4 levels. 1 is the low-
est contrast, and 4 is the highest contrast.
If a distress signal is received on Channel 70, the transceiver
monitors Channel 16 and 70 alternately until the distress sig-
nal disappears. If a signal is received on another channel,
DSC watch pauses until the signal disappears.
This function may not be available for some channel
groups depending on dealer setting.
• “
” scrolls at the channel comment indicator.
LCD contrast level 3
(default)
LCD contrast level 1
D
Automatic acknowledgement
This item sets the Automatic acknowledgement function ON
or OFF.
When Position Request or Position Report call is received,
transceiver automatically transmits Position Request Reply or
Position Report Reply, respectively.
Scrolls
DSC watch OFF (default)
Scrolls
DSC watch ON
• “
” scrolls at the channel comment indicator.
D
Beep tone
You can select 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.
Scrolls
Scrolls
Auto acknowledgement
OFF (default)
Auto acknowledgement
ON
Beep tone ON (default)
Beep tone OFF
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32
CONNECTIONS AND MAINTENANCE
9
I Supplied accessories
I Antenna
The following accessories are supplied:
Qty.
A key element in the performance of any communication sys-
tem is the antenna. Ask your dealer about antennas and the
best place to mount them.
q Mounting bracket ………………………………………… 1
w DC power cable (OPC-891) ……………………………… 1
e Microphone hanger ……………………………………… 1
r Knob bolts for mounting bracket ………………………… 2
t Screws for mounting bracket (5 × 20) ………………… 2
y Mic hanger screws (3 × 16) ……………………………… 2
u Flat washers for mounting bracket (M5) ……………… 2
i Spring washers for mounting bracket (M5) …………… 2
o RCA connector cable (OPC-1278) ................................. 1
I 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, rated one.
8
9
!
0
Warning sticker …………………………………………… 1
q
w
I Cleaning
If the transceiver becomes dusty or dirty, wipe it clean with a
soft, dry cloth.
AVOID the use of solvents such as benzene or al-
cohol, as they may damage transceiver surfaces.
o
!
e
r
t
u
i
0
y
33
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9
CONNECTIONS AND MAINTENANCE
I Connections
r GPS RECEIVER JACK
t
r
Connects to a GPS receiver for position indication.
• A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA,
GNS, GLL) compatible GPS receiver is required. Ask your dealer
about suitable GPS receivers.
q
RCA
NMEA (+)
NMEA (—)
e
w
t EXTERNAL SPEAKER JACK
Connects to an external speaker. See p. 57 for available
external speakers.
q DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 12 V battery.
CAUTION: After connecting the DC power cable, GPS re-
ceiver jack and external speaker jack, cover the connector
and jacks with an adhesive tape as shown below, to pre-
vent water seeping into the transceiver.
w EXTERNAL MICROPHONE JACK (IC-M402A only)
Connects to optional HM-127 REMOTE-CONTROL MICRO-
PHONE.
Rubber vulcanizing
tape
e ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector
to the transceiver.
CAUTION: Transmitting without an antenna may dam-
age the transceiver.
34
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CONNECTIONS AND MAINTENANCE 9
I Mounting the transceiver
I Optional MB-92 attachment
An optional MB-92 DUST COVER is available for attaching the
transceiver’s front panel to prevent the keys and knobs get-
ting wet when the transceiver is not used.
D
Using the supplied mounting bracket
The universal mounting bracket supplied with your transceiver
allows overhead or dashboard mounting.
➥ Attach the optional MB-92 DUST COVER to the transceiver
• Mount the transceiver securely with the 2 supplied screws
(5 × 20) to a surface which is more than 10 mm thick and
can support more than 5 kg.
as shown below.
• 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 com-
pass.
9
NOTE: Check the installation angle; the function display
may not be easy-to-read at some angles.
EXAMPLE
35
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9
CONNECTIONS AND MAINTENANCE
I Optional MB-69 installation
An optional MB-69 FLUSH MOUNT is available for mounting the
transceiver to a flat surface such as an instrument panel.
e Attach the clamps on either side of the transceiver with 2
supplied bolts (5 × 8 mm).
• Make sure that the clamps align parallel to the transceiver body.
CAUTION: KEEP the transceiver and microphone at least
1 meter away from your vessel’s magnetic navigation com-
pass.
q Using the template on p. 55, carefully cut a hole into the
instrument panel (or wherever you plan to mount the trans-
ceiver.)
IC-M402A
w Slide the transceiver through the hole as shown below.
r Tighten the end bolts on the clamps (rotate clockwise) so
that the clamps press firmly against the inside of the in-
strument control panel.
t Tighten the locking nuts (rotate counterclockwise) so that
the transceiver is securely mounted in position as below.
y Connect the antenna and power cable, then return the in-
strument control panel to its original place.
36
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TROUBLESHOOTING
10
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
The transceiver does • Bad connection to the power supply.
• Check the connection to the transceiver.
p. 34
not turn ON.
No sound from speaker. • Squelch level is too high.
• Volume level is too low.
• Set squelch to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.
p. 8
p. 8
—
• Speaker has been exposed to water.
Transmitting is impossi- • Some channels are for low power or re- • Change channels.
ble, or high power can ceive only.
pgs. 6,
7, 52
p. 8
not be selected.
• The output power is set to low.
• Push [HI/LO] on the microphone to select
high power.
Scan does not start.
No beeps.
• “TAG” channel is not programmed.
• Set the desired channels as “TAG” channels. p. 13
9
10
• Beep tones are turned OFF.
• The squelch is open.
• Turn the beep tone ON in Set mode.
• Set squelch to the threshold point.
p. 32
p. 8
Distress call cannot be • MMSI (DSC self ID) code is not pro- • Program the MMSI (DSC self ID) code.
transmitted. grammed.
p. 14
37
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COMMANDMIC® HM-127
OPTION
(IC-M402A only)
11
I Panel description
The optional HM-127 remotely controls the IC-M402A and
provides an optional Intercom function.
q PTT SWITCH [PTT] (pgs. 8, 43)
Push and hold to transmit; release to receive.
w CHANNEL UP/DOWN KEYS [Y]/[Z]
➥ Push either key to change the operating channel, Set
mode settings, etc. (pgs. 8, 30, 43, 47)
➥ Push either key to adjust audio level or noise squelch
level after [VOL] or [SQL] is pushed, respectively.
(pgs. 8, 43)
D
Front and side keys
Top keys
➥ Push either key to adjust the brightness of the LCD and
DIM
key backlight after [VOL•
] is pushed for 1 sec.
q
u
(p. 45)
➥ Checks tag channels or changes scanning direction dur-
y
ing scan. (pgs. 13, 46)
w
t
e CHANNEL 16/CALL CHANNEL KEY [16•9]
➥ Selects Channel 16 when pushed. (pgs. 6, 42)
➥ Selects call channel when pushed for 1 sec. (pgs. 6, 42)
• “CALL” appears when call channel is selected.
➥ Push for 3 sec. to enter call channel programming con-
dition when call channel is selected. (pgs. 9, 44)
DW
e
r
➥ While pushing [CH/WX•
U/I/C], enters channel com-
ments programming condition. (pgs. 10, 48)
➥ Enters Set mode when pushed while turning power ON.
(pgs. 30, 47)
38
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COMMANDMIC® HM-127
11
MONI
r CHANNEL/DUALWATCH/TRI-WATCH KEY
y SQUELCH/MONITOR/LOCK KEY [SQL•
L]
DW
[CH/WX•
U/I/C]
➥ [Y]/[Z] sets the squelch threshold level after pushing
➥ Selects and toggles the regular channels and weather
channel when pushed momentarily. (pgs. 6, 7, 42)
➥ While pushing [H/L], selects one of three channel
groups in sequence when pushed. (pgs. 7, 42)
• International, U.S.A. and Canadian channels are available.
➥ Starts Dualwatch or Tri-watch when pushed for 1 sec.
(pgs. 11, 45)
[SQL]. (p. 43)
MONI
➥ Push [SQL•
L] for 1 sec. to turn the monitor func-
tion ON. (p. 45)
➥ While pushing [H/L], push [SQL•
MONI
L] to toggle the
(microphone) Key lock function ON or OFF. (p. 44)
• “ T ” appears while (microphone) Key lock function is in use.
• [PWR], [PTT], [VOL], [SQL] and [H/L] still function when the
(microphone) Key lock function is turned ON.
➥ Stops Dualwatch or Tri-watch when either is activated.
➥ Advance the cursor while in channel comment pro-
gramming condition. (pgs. 10, 48)
t ATTENUATOR/INTERCOM/SCRAMBLER KEY
IC
[LO/DX•
SCR]
DIM
u VOLUME/DIMMER KEY [VOL•
]
➥ Activates the Intercom function when pushed for 1 sec.
➥ [Y]/[Z] adjusts the audio level after pushing [VOL]
(pgs. 29, 48)
11
(p. 43)
➥ Calls the IC-M402A when pushed and held while in In-
tercom mode. (pgs. 29, 48)
➥ [Y]/[Z] adjust the brightness of the LCD and key back-
light after pushing [VOL•
➥ Move the cursor backward while in channel comment
DIM
] for 1 sec. (p. 45)
NOTE: RF attenuator and voice scrambler are not avail-
able for IC-M402A.
programming condition. (pgs. 10, 48)
39
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COMMANDMIC® HM-127
11
D
Top keys
I Function display
TAG
SCAN
!
!!
!
PWR
H/L
!
!
q
w
e
TX BUSY TAG CALL LOW
WX ALT
CAN
USA
INT
L
!
o
DUP DUAL
P SCAN TRI
q
w
q POWER KEY [PWR] (pgs. 8, 43)
Push for 2 sec. to turn the HM-127 power ON or OFF
when the IC-M402A power is turned ON.
i
u
e
r
t
VOL
SQL
TAG
w SCAN KEY [SCAN•
] (pgs. 13, 46)
➥ Starts and stops Normal or Priority scan when tag chan-
nels are programmed.
y
TAG
➥ Push [SCAN•
] for 1 sec. to set the displayed chan-
nel as a tag (scanned) channel.
➥ While pushing [H/L], push for 3 sec. to clear or set all
tag channels.
q CHANNEL GROUP INDICATOR (pgs. 7, 42)
Indicates whether an International “INT,” U.S.A. “USA” or
Canadian “CAN” channel is selected.
e TRANSMIT POWER KEY [H/L]
➥ Toggles high or low power when pushed. (pgs. 8, 43)
• Some Channels are set to low power only.
➥ While pushing this key, other keys perform secondary
functions.
➥ Toggles the All key lock function ON or OFF when
pushed while turning power ON. (p. 44)
• “ T ” blinks while the All key lock function is in use.
• Only [PWR] and [PTT] function when the All key lock func-
tion is in use.
w KEY LOCK INDICATOR (p. 44)
➥ Appears while the Key lock function is in use.
➥ Blinks while the All key lock function is in use.
e CHANNEL NUMBER READOUT
➥ Indicates the selected operating channel number.
“A” appears when a simplex channel is selected. “b” ap-
pears when a receive only channel for a Canadian
channel group is selected. (pgs. 6, 42)
➥ In Set mode, indicates the selected condition.
(pgs. 30, 47)
40
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COMMANDMIC® HM-127
11
r VOLUME INDICATOR (p. 43)
o DUAL/TRI-WATCH INDICATOR (pgs. 11, 45)
Appears while audio output level is adjusted.
“DUAL” appears during Dualwatch; “TRI” during Tri-watch.
t SQUELCH INDICATOR (p. 43)
! WEATHER CHANNEL INDICATOR (pgs. 7, 42)
➥ “WX” appears when a weather channel is selected.
➥ “WX ALT” appears when the Weather alert function is
in use; blinks when an alert tone is received.
Appears while noise squelch level is adjusted.
y CHANNEL COMMENT INDICATOR
➥ Channel comment appears (and scrolls) if programmed.
(pgs. 10, 48)
! LOW POWER INDICATOR (pgs. 8, 43)
➥ In Set mode, indicates or scrolls the selected Set mode
item. (pgs. 30, 47)
Appears when low power is selected.
! CALL CHANNEL INDICATOR (pgs. 6, 42)
u SCAN INDICATOR (pgs. 13, 46)
Appears when call channel is selected.
➥ “SCAN” appears during Normal scan.
➥ “P SCAN” appears during Priority scan.
! DUPLEX INDICATOR (pgs. 7, 42)
Appears when a duplex channel is selected.
i PRIORITY CHANNEL INDICATOR
11
! TAG CHANNEL INDICATOR (pgs. 13, 46)
➥ Indicates a priority channel during Priority scan or
Dual/Tri-watch. (pgs. 11, 13, 45, 46)
➥ “IC” appears during Intercom mode. (pgs. 29, 48)
Appears when a tag channel is selected.
! BUSY INDICATOR (pgs. 8, 43, 45)
Appears when receiving a signal or when the squelch
opens.
! TRANSMIT INDICATOR (pgs. 8, 43)
Appears while transmitting.
41
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COMMANDMIC® HM-127
11
I Channel selection
D
D
Channel 16
U.S.A., International and Canadian channels
DW
q Push [16] to select Channel 16.
w Push [CH/WX] to return to the
condition before selecting Chan-
nel 16, or push [Y] or [Z] to se-
lect an operating channel.
q Push [CH/WX•
• Push [CH/WX•
w While pushing [H/L], push [CH/WX•
U/I/C] to select a regular channel.
U/I/C] again, if a weather channel appears.
DW
DW
U/I/C] to select a
channel group.
• U.S.A., International and Canadian channels can be selected in
sequence.
Push
D
Call channel
q Push [16•9] for 1 sec. to select
call channel.
Push
w Push [CH/WX] to return to the
condition before selecting call
channel, or push [Y] or [Z] to
select an operating channel.
+
U.S.A. channels
while pushing
Push
for 1 sec.
D
Weather channels
q Push [CH/WX] once or twice to
select the weather channel group.
w Push [Y] or [Z] to select a
weather channel.
e Push [CH/WX] to return to the
condition before selecting the
weather channel group.
+
International channels
Canadian channels
Push
42
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COMMANDMIC® HM-127
11
I Receiving and transmitting
q Push [PWR] for 2 sec. to turn power ON.
w Push [VOL], then [Y]/[Z] to adjust audio output level.
• Push [SQL], then push [Y]/[Z] to mute any audio noise, if nec-
essary.
r Set output power
w Set volume
q Turn power ON
e Push [Y]/[Z] to select the desired channel.
• When receiving a signal, “
” appears and audio is emitted
from the speaker.
• Further adjustment of the audio level may be necessary at this
point.
t Push to
transmit
r Push [H/L] to select the output power, if necessary.
• “LOW” appears when low power is selected.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for selecting low power only.
t Push and hold [PTT] to transmit, then speak into the mi-
crophone.
y Release
to receive
w Set squelch,
if required
e Set channel
t Speak into
microphone
11
• “
” appears.
• Channel 70 cannot be used for transmission other than DSC.
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83
CANNOT be lawfully used by the general public in
U.S.A. waters.
IMPORTANT: To maximize the readability of your trans-
mitted signal (voice), pause a few sec. after pushing [PTT],
hold the microphone 2 to 4 inches (5 to 10 cm) from your
mouth and speak at a normal voice level.
y Release [PTT] to receive.
43
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COMMANDMIC® HM-127
11
I Call channel programming
I Lock functions
DW
q Push [CH/WX•
U/I/C] several
The Lock function electronically locks keys and switches to
prevent accidental changes and function access from the mi-
crophone.
times while pushing [H/L] to select
the desired channel group (USA,
INT, CAN) to be programmed.
• All keys, switches and controllers on the transceiver are functional.
D
Activating the Lock function
w Push [16•9] for 1 sec. to select call
channel of the selected channel
group.
➥ While pushing [H/L], push
MONI
[SQL•
L] to turn the Lock
function ON or OFF.
• “ ” appears.
• “CALL” and call channel number ap-
pear.
• Only [PWR], [PTT], [H/L],
MONI
[SQL•
L], [VOL]+[Y]/[Z]
e Push [16•9] again for 3 sec. (until
a long beep changes to 2 short
beeps) to enter call channel pro-
gramming condition.
and [SQL]+[Y]/[Z] are func-
tional.
Appears when the lock
function is in use.
• The channel number and channel
group to be programmed blinks.
D
Activating the All key lock function
➥ While pushing [H/L], turn the
power ON by pushing [PWR]
to turn the All key lock function
ON or OFF.
r Push [Y]/[Z] to select the desired
channel.
• “ ” blinks.
• Only [PWR] and [PTT] are func-
tional.
t Push [16•9] to program the dis-
played channel as call channel.
• The channel number and channel
group stop blinking.
Blinks when the all lock
function is in use.
44
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COMMANDMIC® HM-127
11
I Display backlighting
I Dualwatch/Tri-watch operation
The function display and keys can be backlit for better visibil-
ity under low light conditions. The backlighting condition can
also be adjusted independently from the transceiver.
q Push [Y] or [Z] to select the desired channel.
DW
• Push [CH/WX•
U/I/C] several times while pushing [H/L] to
select the channel group (USA, INT, CAN), if desired.
DW
w Push [CH/WX•
U/I/C] for 1 sec. to start Dualwatch or
Tri-watch.
DIM
q Push [VOL•
] for 1 sec. to
• “DUAL” appears during Dual-
watch; “TRI” appears during Tri-
watch.
• A beep tone sounds when a sig-
nal is received on Channel 16.
• Tri-watch becomes Dualwatch
when receiving a signal on call
channel.
enter Backlight adjusting mode.
• “
” with the number of the
backlight level appears in the
channel comment indicator.
w Push [Y]/[Z] to adjust the
backlight level.
• The backlight level is adjustable
between 0 (light OFF) and 7
(brightest).
Appears when the Dual or
Tri-watch function is in use.
Appears while in the
Backlight adjustment
mode.
• Dualwatch or Tri-watch can be
selected in the transceiver’s Set
mode.
11
DW
e To cancel Dualwatch/Tri-watch, push [CH/WX•
U/I/C]
I Monitor function
again.
The monitor function releases the noise squelch mute of the
microphone only. (An independent noise squelch system is
employed.)
➥ Push [SQL•
Blinks when the Monitor
function is in use.
MONI
L] for 1 sec.
to activate the Monitor func-
tion.
• “
” blinks and audio is
emitted.
• Any key cancels the Monitor
function.
45
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COMMANDMIC® HM-127
11
I Setting tag channels
I Starting a scan
DW
DW
q While pushing [H/L], push [CH/WX•
U/I/C] several
q While pushing [H/L], push [CH/WX•
U/I/C] several
times to select the channel group (USA, INT, CAN), if de-
times to select the channel group (USA, INT, CAN), if de-
sired.
sired.
• When the Weather alert function is in use, select the desired
weather channel with [CH/WX•
w Push [Y] or [Z] to select the desired channel to set as a
tag channel.
e Push [SCAN•
as a tag channel.
• “
r To cancel the tag channel setting, push [SCAN•
DW
U/I/C] and [Y] or [Z].
TAG
w Push [SCAN•
] to start Priority or Normal scan.
TAG
] for 1 sec. to set the displayed channel
• “SCAN” appears during Normal scan.
• The priority channel readout indicates “16”, and “P” and “SCAN”
indicators appear during Priority scan.
” appears.
TAG
] for
• When a signal is received, scan pauses until the signal disap-
pears or resumes after pausing 5 sec. according to the Set mode
setting (Channel 16 is still monitored during Priority scan).
• Push [Y] or [Z] to check the scanning tag channels, to change
the scanning direction or resume the scan manually.
TAG
1 sec.
• “
” disappears.
✔ Clearing (or setting) all tagged channels
While pushing [H/L], push [SCAN•
beep changes to 2 short beeps) to clear all tag channels
setting in the channel group.
e To stop the scan, push [SCAN•
• “SCAN” disappears.
].
TAG
] for 3 sec. (until a long
DW
• Pushing [PTT], [16•9] or [CH/WX•
U/I/C] also stops the scan.
• Repeat above procedure to set all tag channels.
46
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COMMANDMIC® HM-127
11
I Set mode programming
Set mode is used to change the condition of the transceiver’s
functions and the microphone’s own functions:
D
Entering Set mode
q Turn power OFF.
w While pushing [16•9], turn power ON.
Transceiver’s functions—
• After a beep emission, a set mode item (in the channel comment
indicator and the condition in the channel number readout) is dis-
played.
scan mode (Normal or Priority,) scan resume timer, Weather
alert, Dualwatch/Tri-watch, DSC watch, transceiver’s beep
tone, LCD contrast (transceiver) and automatic acknowl-
edgement.
e Push [16•9] to select the desired item, if necessary.
r Push [Y] or [Z] to select the desired condition of the item.
t Turn power OFF, then ON to exit Set mode.
Microphone’s own functions—
beep tone function (microphone) and LCD contrast (micro-
phone.)
• Beep tone “
”
➥ Push [Y] to turn ON, [Z] to turn OFF the beep output.
In this section, instructions are for the microphone’s own func-
tions only. Refer to pgs. 30 to 32 for the setting of the other
functions. (Some functions cannot be selected from the
HM-127.)
11
Push
• LCD contrast “
”
➥ Push [Y]/[Z] to adjust to a suitable LCD contrast.
• “
” scrolls at the channel comment indicator.
Push
Scrolls
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Scrolls
47
COMMANDMIC® HM-127
11
I Intercom operation
I Channel comments
q Push [Y] or [Z] to select a channel to program a channel
IC
q
Push [LO/DX•
SCR] for 1 sec.
to activate the Intercom function.
• “IC” appears in the priority channel
readout.
comment.
• Push [CH/WX•
lect the channel group (USA, INT, CAN), if desired.
DW
U/I/C] several times while pushing [H/L] to se-
• The channel comment disappears.
DW
w While pushing [CH/WX•
U/I/C], push [16•9].
w Push [PTT] to talk.
• The 1st character of the currently programmed comment blinks.
e Push [Y] or [Z] to select a character.
r Push [SQL] to move to forward; then push [Y] or [Z] to
select a character.
• Push [VOL] to move to backward.
t Repeat steps e and r to input all characters, then push
[16•9] to return to normal operation.
• “
” appears at the channel
Appears when the inter-
com function is in use.
comment indicator.
e Release [PTT] to listen.
• “
” appears at the channel comment indicator when the
transceiver is in talking mode.
IC
r Push [LO/DX•
SCR] to cancel the Intercom function.
• Pushing [16•9] also cancels the Intercom function.
• Available characters
For your reference:
(space)
(✱)
(4)
(!)
(+)
(5)
(F)
(P)
(Z)
(j)
(")
(,)
(#)
( )
(7)
(H)
(R)
(b)
(l)
($)
(.)
(
%
)
(&)
(0)
(A)
(K)
(U)
(e)
(o)
(y)
( )
(1)
(B)
(L)
(V)
(f)
(()
(2)
(C)
(M)
())
(3)
(D)
(N)
(X)
(h)
(r)
In case the Intercom mode is selected with the transceiver
while the microphone power is OFF, the microphone power is
automatically turned ON and the Intercom mode is selected.
(/)
(6)
(G)
(Q)
(a)
(k)
(u)
(8)
(I)
(9)
(J)
(T)
(d)
(n)
(x)
(E)
(O)
(Y)
(i)
D
Intercom beep function
(S)
(c)
(m)
(w)
(W)
(g)
(q)
IC
➥ Push [LO/DX•
SCR] for more than 1 sec.
• Emits the Intercom beep while holding.
(p)
(z)
(s)
(t)
(v)
48
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COMMANDMIC® HM-127
11
I HM-127 supplied accessories
Accessories included with the HM-127:
Qty.
q Connection cable (OPC-1000: 6 m; 20 ft) ...................... 1
w Mounting base ................................................................ 1
e Microphone hanger ........................................................ 1
r Screws (M3 × 16; tapping) ............................................. 5
11
w
e
r
q
49
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COMMANDMIC® HM-127
11
I Installation
The optional HM-127 can be connected to the transceiver di-
rectly, 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.
w To use the supplied cable as a wall socket, follow the
below steps.
e Using the mounting base, carefully mark off the 2 spots
where the cable and screws will be fastened.
r Drill holes at these marks.
t Install the mounting base using the supplied screws as
shown below.
For longer distance remote operation, the optional extension
cable, OPC-999 (6 m; 20 ft/connecting between transceiver
and the connection cable), is available, and up to 2 OPC-999
can be added.
Mounting base
Nut
q Insert the supplied cable into the external microphone jack
and tighten the cable nut as shown below.
Gasket
Screw holes
(approx. 2 (d) mm; 3 32″)
Cap
y The completed installation should look like this.
50
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COMMANDMIC® HM-127
11
Mounting base
5 mm; 3⁄16˝
2 mm; 3⁄32˝
11
Nut
Gasket
Cap
51
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CHANNEL LIST
12
Channel number Frequency (MHz)
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
01
01 156.050 160.650
156.050 156.050
19A
20
19A 156.950 156.950
64A
64A 156.225 160.825
156.275 160.875
83A
83A 157.175 157.175
83b Rx only 161.775
84 157.225 161.825
157.225 157.225
20*1
01A
20
21
157.000 161.600
157.000 157.000
65
02
03
02 156.100 160.700
03 156.150 160.750
156.150 156.150
20A
65A 65A 65A 156.275 156.275
84
84A
85
84
85
86
87
88
21 157.050 161.650
21A 157.050 157.050
21b Rx only 161.650
157.100 161.700
66
156.325 160.925
156.325 156.325
66A*1
03A
21A
22A
66A 66A
67*2
85 157.275 161.875
157.275 157.275
04
05
156.200 160.800
67
68
69
67 156.375 156.375
68 156.425 156.425
69 156.475 156.475
85A
86
04A 156.200 156.200
156.250 160.850
22
23
68
86 157.325 161.925
157.325 157.325
22A 157.100 157.100
23 157.150 161.750
157.150 157.150
69
86A
87
70*3 70*3 70*3
05A
06
05A 156.250 156.250
06 156.300 156.300
156.350 160.950
156.525 156.525
87 157.375 161.975
157.375 157.375
06
07
23A
24
71
72
71
72
73
74
77
78
71 156.575 156.575
72 156.625 156.625
73 156.675 156.675
74 156.725 156.725
87A
88
24
25
24 157.200 161.800
25 157.250 161.850
25b Rx only 161.850
26 157.300 161.900
27 157.350 161.950
28 157.400 162.000
28b Rx only 162.000
60 156.025 160.625
156.075 160.675
88 157.425 162.025
157.425 157.425
07A
08
07A 156.350 156.350
08 156.400 156.400
09 156.450 156.450
10 156.500 156.500
11 156.550 156.550
12 156.600 156.600
25
73
88A
08
09
10
11
12
13
14
74
77*1
77*1
09
26
27
28
26
27
28
156.875 156.875
156.925 161.525
Frequency (MHz)
WX channel
10
Transmit Receive
11
78A
79A
80A
81A
82A
78A 156.925 156.925
156.975 161.575
1
2
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
RX only
162.550
162.400
162.475
162.425
162.450
162.500
162.525
161.650
161.775
163.275
12
13*2
79
80
81
82
83
13*1
14 156.700 156.700
156.750 156.750
156.650 156.650
60
61
79A 156.975 156.975
157.025 161.625
3
14
4
15*2 15*1 15*1
61A
61A 156.075 156.075
156.125 160.725
80A 157.025 157.025
157.075 161.675
5
16
17*1
16
17
18
16 156.800 156.800
62
63
64
6
17*1
156.850 156.850
156.900 161.500
62A 156.125 156.125
156.175 160.775
81A 157.075 157.075
157.125 161.725
7
8
18A
18A 156.900 156.900
156.950 161.550
63A
156.175 156.175
82A 157.125 157.125
83 157.175 161.775
9
19
64 156.225 160.825
10
*1Low power only. *2Momentary high power. *3DSC operation only
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.
52
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SPECIFICATIONS
13
I Specifications
D
• Frequency coverage
Transmit
Receive
• Mode
D
• Receive system
General
Receiver
:
: Double conversion
superheterodyne
: 0.22µV (typical)
: 0.22µV
156.025–157.425 MHz
156.050–163.275 MHz
• Sensitivity (12 dB SINAD)
• Squelch sensitivity
• Intermodulation rejection ratio : More than 70 dB
• Spurious response rejection ratio: More than 70 dB
: FM (16K0G3E)
DSC(16K0G2B)
: 25 kHz
• Channel spacing
• Current drain (at 13.8 V)
: TX high
Max. audio 1.5 A max.
: 13.8 V DC
5.5 A max.
• Adjacent channel selectivity
• Audio output power
: More than 70 dB
: 4.5W (typical) at 10% distortion
with a 4 Ω load
• Power supply requirement
• Frequency stability
: 10 ppm
(–20°C to +60°C; –4°F to +140°F)
: 153(W) × 67(H) × 141.6(D) mm
6 1⁄32(W) × 2 5⁄8(H)× 5 9⁄16(D) in
: Approx. 900 g ; 2 lb
All stated specifications are subject to change without notice or
obligation.
• Dimensions
(Projections not included)
• Weight
D
• Output power
Transmitter
: 25 W/1 W
• Modulation system
: Variable reactance frequency
modulation
13
• Max. frequency deviation
• Spurious emissions
:
5.0 kHz
: Less than –70 dB
53
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13 SPECIFICATIONS
I Dimensions
137 (5 13 32)
32.1 (1 1 4)
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153 (6 1 32)
86.5 (3 13 32)
Unit: mm (inch)
54
TEMPLATE
14
1
153 (6 32)
15
139 (5 32)
3
2 ( 32)
HM-127
MB-69
24 to 27 (d)
15
1
(
16 to 1 16)
13
14
Unit: mm (inch)
55
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56
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OPTIONS
15
• MB-69 FLUSH MOUNT KIT
For mounting the transceiver to a panel.
• MB-92 DUST COVER
For attaching to the front panel of the transceiver to protect it
when not in use.
• SP-5 EXTERNAL SPEAKER
A large, external speaker for superior audio output.
• SP-10 EXTERNAL SPEAKER
A compact, external speaker. Features easy installation.
• HM-127* REMOTE-CONTROL MICROPHONE
External microphone-type controller. Provides optional inter-
com operation. 6 m (20 feet) microphone cable and mount-
ing base included. Black and white colours are available.
• OPC-999* MICROPHONE EXTENSION CABLE
6 m (20 feet) microphone extension cable for optional HM-
127. Up to 2 OPC-999 can be connected. (18 m; 60 feet max-
imum)
*IC-M402A only
15
57
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A-6322H-1US
Printed in Japan
© 2003 Icom Inc.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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