INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM72
This device complies with Part 15 of the FCC
Rules. Operation is subject to the condition that
this device does not cause harmful interference.
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IN CASE OF EMERGENCY
RECOMMENDATION
If your vessel requires assistance, contact other vessels and
the Coast Guard by sending a distress call on Channel 16.
CLEAN THE TRANSCEIVER THOROUGHLY WITH FRESH
WATER after exposure to saltwater, and dry it before opera-
tion. Otherwise, the transceiver’s keys, switches and con-
trollers may become inoperable due to salt crystallization.
❍ USING CHANNEL 16
NOTE: DO NOT wash the transceiver in water if there is any
reason to suspect the waterproofing may not be effective. For
example, in cases where the transceiver/battery pack is cracked
or broken, or has been dropped, or when the battery pack is de-
tached from the transceiver.
DISTRESS CALL PROCEDURE
1. “MAYDAY MAYDAY MAYDAY.”
2. “THIS IS ...........................” (name of vessel)
3. Say your call sign or other indication of the
vessel.
4. “LOCATED AT .....................” (your position)
5. State the nature of the distress and assis-
tance required.
6. Give any other information which might facil-
itate the rescue.
ii
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FOREWORD
FEATURES
Thank you for purchasing this Icom radio. The IC-M72 VHF MA-
RINE TRANSCEIVER is designed and built with Icom’s state of the
art technology and craftsmanship. With proper care this prod-
uct should provide you with years of trouble-free operation.
ꢀ Submersible construction
Built tough to withstand the punishing marine environ-
ment, the IC-M72’s submersible construction meets IPX8
of the corresponding International Standard IEC 60529
(2001) while using BP-245.
In addition, the new speaker grill structure with a water
self-draining function is helpful for draining water or sea-
water easily.
IMPORTANT
READ ALL INSTRUCTIONS carefully and com-
ꢀ Dualwatch and tri-watch functions
Convenient functions that allow you to monitor the dis-
tress channel (Ch 16) while receiving one other channel of
your choice (dualwatch), or while receiving one other chan-
nel of your choice and the call channel (Ch 09) (tri-watch).
See p. 16 for details.
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL—This in-
struction manual contains important operating instructions for
the IC-M72.
ꢀ Large, easy-to-read LCD
With the generous dimensions of 22.5(H) × 31.5(W) mm;
7⁄8(H) × 11⁄4(W) inch, the IC-M72’s function display is easy
to read and shows operating conditions at a glance. Back-
lighting and contrast can be adjusted to suit your prefer-
ences.
EXPLICIT DEFINITIONS
WORD
RWARNING
CAUTION
NOTE
DEFINITION
Personal injury, fire hazard or electric shock
may occur.
ꢀ Simple operation
The volume knob is on top of the radio, while the channel
buttons are on the front panel. This allows for convenient,
one-handed operation.
Equipment damage may occur.
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
iii
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PRECAUTION
RWARNING! NEVER connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
MAKE SURE the flexible antenna and battery pack are
securely attached to the transceiver, and that the antenna and
battery pack are dry before attachment. Exposing the inside
of the transceiver to water will result in serious damage to the
transceiver.
RWARNING! NEVER hold the transceiver so that the
antenna is closer than 2.5 cm (1 inch) from exposed parts of
the body, especially the face or eyes, while transmitting. The
transceiver will perform best if the microphone is 5 to 10 cm (2
to 4 inches) away from the lips and the transceiver is vertical.
BE CAREFUL! The IC-M72 employs submersible con-
struction (1.5 m; 4.9 ft depth for 30 min.). However, once the
transceiver has been dropped, waterproofing cannot be guar-
anteed due to the fact that the transceiver may be cracked,
or the waterproof seal damaged, etc.
NEVER connect the transceiver to a power source other
than the BP-245. Such a connection will ruin the transceiver.
For the U.S.A. only
AVOID using or placing the transceiver in direct sunlight or
in areas with temperatures below –20°C (–4°F) or above
+60°C (+140°F).
CAUTION: Changes or modifications to this device, not
expressly approved by Icom Inc., could void your authority to
operate this device under FCC regulations.
KEEP the transceiver out of the reach of children.
KEEP the transceiver at least 0.9 meters (3.0 ft) away from
your vessel’s magnetic navigation compass.
Icom, Icom Inc. and the
logo are registered trademarks of Icom Incor-
porated (Japan) in the United States, the United Kingdom, Germany, France,
Spain, Russia and/or other countries.
iv
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TABLE OF CONTENTS
SAFETY TRAINING INFORMATION ............................................... i
IN CASE OF EMERGENCY ........................................................... ii
RECOMMENDATION ...................................................................... ii
FOREWORD .................................................................................. iii
IMPORTANT ................................................................................... iii
EXPLICIT DEFINITIONS ................................................................ iii
FEATURES ..................................................................................... iii
PRECAUTION ................................................................................ iv
TABLE OF CONTENTS .................................................................. v
5 SCAN OPERATION ........................................................... 14–15
I Scan types ............................................................................ 14
I Setting TAG channels ........................................................... 15
I Starting a scan ...................................................................... 15
6 DUALWATCH/TRI-WATCH ...................................................... 16
I Description ............................................................................ 16
I Operation .............................................................................. 16
7 SET MODE ......................................................................... 17–22
I SET mode programming ....................................................... 17
I SET mode items ................................................................... 18
1 OPERATING RULES ................................................................. 1
2 SUPPLIED ACCESSORIES AND ATTACHMENTS............... 2–3
I Supplied accessories............................................................... 2
I Attachments............................................................................. 2
8 BATTERY CHARGING ....................................................... 23–27
I Battery cautions .................................................................... 23
I Supplied battery charger ....................................................... 25
I Optional battery chargers ...................................................... 26
3 PANEL DESCRIPTION .......................................................... 4–6
I Front, top and side panels ....................................................... 4
I Function display ...................................................................... 5
9 OPTIONAL SWIVEL BELT CLIP ............................................. 28
I Attachment ............................................................................ 28
I Detachment ........................................................................... 28
4 BASIC OPERATION ............................................................ 7–13
I Channel selection ................................................................... 7
I Receiving and transmitting ...................................................... 9
I Call channel programming .................................................... 10
I Lock function ......................................................................... 10
I Monitor function .................................................................... 10
I Adjusting the squelch level .................................................... 11
I Backlighting function ............................................................. 11
I Voice scrambler operation ..................................................... 11
I VOX function ......................................................................... 12
I AquaQuake water draining function ...................................... 12
I Channel naming .................................................................... 12
10OPTIONAL SPEAKER-MICROPHONE ................................... 29
I HM-125 descriptions ............................................................. 29
I Attachment ............................................................................ 29
11 TROUBLESHOOTING ............................................................. 30
12VHF MARINE CHANNEL LIST ................................................ 31
13SPECIFICATIONS .................................................................... 32
14OPTIONS ................................................................................. 33
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 near the transceiver or be kept with the operator. Only
a licensed radio operator may operate a transceiver.
• You must monitor Channel 16 when you are not operating
on another channel.
• False or fraudulent distress calls are prohibited under 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-
fully be used in any way.
A current copy of the applicable government rules and regu-
lations is only required to be on hand for vessels in which a
radio telephone is compulsory. However, even if you are not
required to have these on hand it is your responsibility to be
thoroughly acquainted with all pertinent rules and regulations.
• Indecent or profane language is prohibited.
D Radio licenses
(1) SHIP STATION LICENSE
When your craft is equipped with a VHF FM transceiver, you
must have a current radio station license before using the
transceiver. It is unlawful to operate a ship station which is not
licensed.
NOTE: Even though the IC-M72 is capable of operation
on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83,
according to FCC regulations these simplex channels can-
not be lawfully used by the general public in USA waters.
Inquire through your dealer or the appropriate government
agency for a Ship-Radiotelephone license. This license in-
cludes the call sign which is your craft’s identification for radio
purposes.
1
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SUPPLIED ACCESSORIES AND ATTACHMENTS
2
I Supplied accessories
The following accessories are supplied:
I Attachments
D Flexible antenna
Qty.
Connect the supplied flexible an-
tenna to the antenna connector.
qHandstrap …………………………………………………… 1
wBattery charger …………………………………………… 1
eScrews for the battery charger (M3.5×30) ………………… 2
rBelt clip (with screws) ……………………………………… 1
tAC adapter ………………………………………………… 1
yLi-Ion battery pack ………………………………………… 1
uFlexible antenna …………………………………………… 1
CAUTION: Transmitting without
an antenna may damage the
transceiver.
NEVER HOLD by the antenna
when carrying the transceiver.
q
w
e
r
D Handstrap
Pass the handstrap through the
loop on the top corner of the trans-
ceiver as illustrated at left.
t
y
Facilitates carrying.
u
2
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SUPPLIED ACCESSORIES AND ATTACHMENTS 2
2
D Battery pack
D Belt clip
qAttach the battery pack into the transceiver as below.
Attach the belt clip to the transceiver as illustrated below.
Supplied screws
wLock the battery pack with the latch.
CAUTION!:
NEVER attach or detach the battery pack when wet.
Be careful when releasing the latch. Because the latch is
tightly locked, don’t use a finger nail to open it— you may
injure yourself. Instead, use something relatively flat, like
the edge of a coin or the tip of a screwdriver, to carefully
release the latch.
3
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PANEL DESCRIPTION
3
I Front, top and side panels
q VOLUME CONTROL [VOL]
Turns power ON and adjusts the audio level.
w PTT SWITCH [PTT]
Push and hold to transmit; release to receive.
q
!
o
e MONITOR KEY [
]
• Manually opens the squelch for monitoring the channel
while pushed and held. (p. 10)
• Push this switch, then adjust the squelch level with
[Y]/[Z]. (p. 11)
• While pushing and holding this switch, turn power ON to
enter the SET mode. (p. 17)
w
e
Function
display
(p. 5)
r CHANNEL UP/DOWN KEYS [Y]/[Z]
• Selects an operating channel. (pgs. 7–9)
• Selects the SET mode condition of the item. (p. 17)
i
r
u
• Selects the SET mode item when pushed with [
].
(p. 17)
y
t
• Checks TAG channels or changes scanning direction dur-
ing scan. (p. 15)
Microphone
t CHANNEL 16 KEY [16•9]
Speaker
• Selects Channel 16 when pushed. (p. 7)
• Selects call channel when pushed for 1 sec. (p. 7)
• Enters call channel write mode when the call channel is
selected and this key is pushed and held for 3 sec. (p. 10)
4
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PANEL DESCRIPTION 3
I Function display
q
y TRANSMIT POWER/LOCK KEY [H/L•LOCK]
• Selects high, middle or low power when pushed. (p. 9)
• Toggles the lock function ON/OFF when pushed and held
for 1 sec. (p. 10)
!
!
!
3
w
r
e
!
u SCAN KEY [SCAN•DUAL]
t
u
• Starts and stops normal or priority scan when pushed.
y
i
(pgs. 14, 15)
!
o
• Enters watch mode when pushed and held for 1 sec.
(p. 16)
!
i CHANNEL/WEATHER CHANNEL KEY [CH/WX•U/I/C]
• Selects and toggles the regular channels and weather
channel when pushed. (p. 8)
q CHANNEL NUMBER READOUT
• Indicates the selected operating channel number.
• In SET mode, indicates the selected condition.
• “DUP” appears when a duplex channel is selected.
• Selects the U.S.A, International, or Canadian* channel
group when pushed and held for 1 sec. (p. 8)
- The function display shows which channel group is ac-
tive.
*Available with the USA versions only.
w TAG CHANNEL INDICATOR (p. 15)
• Push to return to the condition before selecting the chan-
nel when the priority channel or the call channel is se-
lected.
Appears when TAG channel is selected.
e BATTERY INDICATOR
Indicates remaining battery power.
o SPEAKER-MICROPHONE CONNECTOR [SP MIC]
Connects the optional external speaker-microphone or
headset.
Indication
Battery level
Charging
required
Full
Middle
No battery
NOTE: Attach the [SP MIC] cap when the optional
speaker-microphone or headset is not used.
blinks when the battery is overcharged (or over voltage)
.
! ANTENNA CONNECTOR
Connects the supplied antenna.
5
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3
PANEL DESCRIPTION
r MONITOR INDICATOR (p. 10)
! WEATHER CHANNEL/WEATHER ALERT INDICATORS
Appears when the monitor function is activated.
(p. 8)
• “WX” appears when the weather channel group is
selected.
• “WX ALT” appears when the weather alert function is
activated.
t DUALWATCH/TRI-WATCH INDICATORS (p. 16)
“DUAL” blinks during dualwatch; “TRI” blinks during tri-
watch.
y VOX INDICATOR (p. 12)
! TRANSMIT POWER INDICATORS (p. 9)
• “LOW” appears when low power is selected.
• “MID” appears when middle power is selected.
• No indication appears when high power is selected.
Appears when the VOX function is used.
u SCRAMBLER INDICATOR (pgs. 11, 22)
Appears when the voice scrambler is activated.
*The voice scrambler function is available with some versions
only.
! TRANSMIT INDICATOR (p. 9)
Appears during transmit.
i CHANNEL NAMING
! BUSY INDICATOR (pgs. 9, 10)
• Indicates or scrolls operating channel name or comment.
(p. 13)
Appears when a signal is received or squelch is open.
• In SET mode, indicates or scrolls the selected item.
(pgs. 17–22)
o LOCK INDICATOR (p. 10)
Appears when the lock function is activated.
! CALL CHANNEL INDICATOR (p. 7)
Appears when the call channel is selected.
! CHANNEL GROUP INDICATOR (p. 8)
“USA” appears when U.S.A.; “INT” appears when Interna-
tional; “CAN*” appears when Canadian channel group is
selected.
*Available with the USA versions only.
6
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BASIC OPERATION
4
I Channel selection
IMPORTANT!: Prior to using the transceiver for the first
time, fully charge the battery pack. This will help maximize
the capability and life of the battery. To avoid damage to
the transceiver, turn the radio OFF while charging.
D Channel 9 (Call channel)
Channel 9 is the leisure-use call channel. Each regular
channel group has separate call channels. In addition, the call
channel is monitored during tri-watch. The call channels can
be re-programmed (p. 10) and may be used to store your most
often used channels in each channel group for quick recall.
3
4
D Channel 16
Channel 16 (Distress channel) is used for establishing initial
contact with another station and for emergency communica-
tions. Channel 16 is automatically monitored during both
dualwatch and tri-watch. While standing by, you must monitor
Channel 16.
q Push and hold [16•9] for 1 sec. to select the call channel.
• “CALL” and the call channel number appear.
• Call channel can be re-programmed. See the “Call channel
programming” on p. 10 for details.
w Push [CH/WX•U/I/C] to return to the condition before se-
lecting Channel 9 (call channel), or push [Y]/[Z] to select
the operating channel.
q Push [16•9] to select Channel 16.
w Push [CH/WX•U/I/C] to return to the condition before se-
lecting Channel 16, or push [Y]/[Z] to select the operating
channel.
Push
for 1 sec.
Push
7
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4
BASIC OPERATION
D U.S.A., International and Canadian channels
The IC-M72 has 57 U.S.A., 57 International and 61 Cana-
dian* channels. You must select the proper channels for the
D Weather channels
The IC-M72 has 10 weather channels. They are used for
monitoring NOAA (National Oceanographic and Atmospheric Ad-
ministration) broadcasts (reception of weather channels possible in
U.S.A. only).
operating area.
*Available with the USA versions only.
q Push [CH/WX•U/I/C] to select the regular channel.
• If the weather channel appears, push [CH/WX•U/I/C] again.
w Push [Y]/[Z] to select a channel.
q Push [CH/WX•U/I/C] to select the weather channel group.
w Push [Y]/[Z] to select a weather channel.
e Push [CH/WX•U/I/C] to return to the condition before se-
lecting the weather channel group.
• “DUP” appears for duplex channels.
e To change the channel group, push and hold
[CH/WX•U/I/C] for 1 sec.
• Repeat until you reach the desired channel group.
Push
Push for 1 sec.
Push for 1 sec.
✔ CONVENIENT!
International channel
The IC-M72 can detect a weather alert tone on the
selected weather channel while in another channel (when the
power save function is turned ON) or during scanning. See the
“SET mode items” on p. 18 for details.
ATIS channel†
U.S.A. channel*
8
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BASIC OPERATION 4
I Receiving and transmitting
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a second after pushing [PTT], hold
the microphone 5 to 10 cm (2 to 4 inches) from your mouth,
and speak into the microphone using a normal voice level.
CAUTION: Transmitting without an antenna may
damage the transceiver.
4
q Rotate [VOL] clockwise to turn power ON.
• Opening comment scrolls across the function display. (p. 13)
• Push [16•9] to skip the opening comment indication.
w Set the volume and squelch level.
NOTE: The transceiver has a power save function to con-
serve the battery power. The power save function activates
automatically when no signal is received for 5 sec.
➥ Push [
], and push [Z] to open the squelch.
To prevent accidental prolonged transmission, etc., the IC-
M72 has a time-out timer function. This timer cuts a trans-
mission OFF after 5 min. of continuous transmission.
➥ Rotate [VOL] to set the volume level.
➥ Push [
], and push [Y]/[Z] to set the squelch level.
e Push [Y]/[Z] to select the desired channel.
- When receiving a signal, “
emitted from the speaker.
” indicator appears while audio is
t Push to transmit
y Release to receive
q Power ON
w Set volume
- Further adjustment of [VOL] may be necessary at this point.
r Push [H/L•LOCK] to select the output power, if necessary.
- “LOW” appears when low power is selected; “MID” appears
when middle power is selected; no indication when high power is
selected.
- Choose low or mid. power to conserve battery power, choose
high power for longer distance communications.
- Some channels are for low power only.
r Set output power
w Set the squelch
t Push and hold [PTT] to transmit, and speak into the mi-
crophone.
level
Microphone
Speaker
- The transmit indicator appears while transmitting.
- Channel 70 cannot be used for transmission.
y Release [PTT] to receive.
w Set the squelch
level
e Select the
channel
9
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4
BASIC OPERATION
I Call channel programming
The call channel key is used to select Channel 9 by default,
however, you can program your most often-used channel in
each channel group for quick recall.
I Lock function
This function electronically locks all keys (except for [PTT], [
]
and [H/L•LOCK]) to prevent accidental channel changes and
function access.
➥ Push [H/L•LOCK] for 1 sec. to turn the lock function ON
q Push and hold [CH/WX•U/I/C] for 1 sec. several times to
select the desired channel group (USA, INT, CAN) to be pro-
grammed.
or OFF.
w Push and hold [16•9] for 1 sec. to se-
lect the call channel.
Push
for 1 sec.
• “CALL” and call channel number appear.
Appears while the lock
function is in use.
e Push and hold [16•9] again for 3 sec.
(until a long beep changes to 2 short
beeps) to enter call channel program-
ming condition.
I Monitor function
The monitor function releases the noise squelch mute to
check the volume level. See p. 19 for details of the monitor
switch action.
• Call channel number to be programmed
blinks.
r Push [Y]/[Z] to select the desired
channel.
➥ Push and hold [
] for 1 sec. to activate the monitor func-
tion.
• “
” and “
” appear and audio is emitted.
Appears while the
monitor function is
in use.
t Push [16•9] to program the displayed
channel as the call channel.
Push
for 1 sec.
• The call channel number stops blinking.
10
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BASIC OPERATION 4
I Adjusting the squelch level
I Voice scrambler operation
(available with some versions only)
To adjust the IC-M72’s squelch level, use the [Y]/[Z] keys as
desired below. In order to receive signals properly, as well as
for the scan to function effectively, the squelch must be ad-
justed to the proper level.
D Activating the scrambler
The voice scrambler provides private communications. In
order to receive or send scrambled transmissions, you must
activate the scrambler function first.
4
q Push [
], then adjust the squelch level with [Y]/[Z].
- “SQL” and the squelch level are displayed.
q Select an operating channel other than Channel 16, 70 or
weather channels.
w While pushing and
- There are 11 squelch levels to choose from: OP is completely
open; 10 is tight squelch; 1 is loose squelch level.
- When no key is pushed for 5 sec., the transceiver returns to
normal condition.
holding [
], push
[SCAN•DUAL].
• “SCRM” appears.
e To turn the scrambler
function OFF, repeat
step w.
w Push [
] again to return to normal operating mode.
Shows the squelch
level.
Appears when the voice scrambler
function is in use.
Push
Appears during squelch
level adjustment
• “SCRM” disappears.
D Programming scramble codes
There are 32 codes (1 to 32) available for programming. Set
the code in the SET mode. In order to understand each other,
all transceivers in your group must use the same scramble
code, as well as the same scrambler unit. See p. 22 for
“Scrambler code” setting details.
I Backlighting function
This function is convenient for nighttime operation. The back-
lighting can be turned OFF in the SET mode. (p. 19)
➥ Push any key other than [PTT] to turn the backlighting ON.
• The backlighting is automatically turned OFF after 5 sec. of
inactivity.
11
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4
BASIC OPERATION
I Channel naming
I VOX function
The IC-M72 has a capability to assign up to 10-character
channel names or comments for each operating channel, in-
cluding each weather channel. This provides easy recogni-
tion of channel usage, or station names, etc.
NOTE: An optional headset and optional headset adapter
are required for the VOX operation.
The VOX function (voice operated transmission) starts transmit-
ting when you speak into the headset’s microphone. There is
no need to push [PTT]. The IC-M72 automatically returns to
receive mode when you stop talking.
When shipped from the factory, the IC-M72 is programmed
with default names for each VHF marine channel. These de-
faults can be changed, if desired.
You may replace the factory-set opening comment with a
comment of your own. The opening comment appears each
time the IC-M72 is powered ON. The comment may be up to
16 characters long.
➥ Push and hold [
], then push [H/L•LOCK] to turn the
VOX function ON or OFF while connecting the headset
and optional headset adapter to [SP MIC] connector.
• “VOX” appears on the LCD while the VOX function turns ON.
•
The VOX gain and VOX delay can be set on the SET mode. (p. 22)
D
Available characters
• During scan, dual/tri-watch or on a transmission inhibited chan-
nel, the VOX function will not be activated.
(=)
(4)
(D)
(N)
(X)
(h)
(r)
(✱)
(5)
(E)
(O)
(Y)
(i)
(+)
(6)
(F)
(P)
(Z)
(j)
(–)
(7)
(G)
(Q)
(a)
(k)
(u)
(,)
(8)
(H)
(R)
(b)
(l)
(/)
(0)
(1)
(A)
(K)
(U)
(e)
(o)
(y)
(2)
(B)
(L)
(V)
(f)
(3)
(C)
(M)
(9) (Space)
I
AquaQuake water draining function
(I)
(S)
(c)
(J)
(T)
(d)
(n)
(x)
The IC-M72 uses a new technology to clear water away from
the speaker grill: AquaQuake. AquaQuake helps drain water
away from the speaker housing (water that might otherwise muf-
fle the sound coming from the speaker). The IC-M72 emits a vi-
brating noise when this function is being used.
(W)
(g)
(q)
(m)
(w)
(p)
(z)
➥ Push and hold both [16•9] and [H/L•LOCK].
• A low beep tone sounds for 9 sec. to drain water, regardless of
[VOL] control setting.
(s)
(t)
(v)
•
The transceiver never accepts a key operation while the AquaQuake
function is activated. And this function won’t be activated when an
optional speaker-microphone or headset is connected.
12
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BASIC OPERATION 4
D
D
Channel name/comment programming
Opening comment programming
q Push [Y]/[Z] to select a channel to
program.
q While
pushing
and
holding
[SCAN•DUAL], turn power ON.
• “OC” is displayed and the 1st character
of the currently programmed comment
blinks.
4
• Push and hold [CH/WX•U/I/C] for 1 sec.
to select a channel group, if necessary.
w Push [Y]/[Z] to select a character.
w While pushing and holding [
push [CH/WX•U/I/C].
],
• The 1st character of the currently pro-
grammed name or comment blinks.
e Push [H/L•LOCK] to move to the
right; then push [Y]/[Z] to select a
character.
e Push [Y]/[Z] to select a character.
• Pushing [16•9], moves to left
r Continue until the desired characters
have been selected, then push
[CH/WX•U/I/C] to return to normal
operation.
r Push [H/L•LOCK] to move to the
right; then push [Y]/[Z] to select a
character.
• Pushing [16•9], moves to left
t Continue until the desired characters
have been selected, then push
[CH/WX•U/I/C] to return to normal
operation.
The programmed opening comment is briefly displayed or
scrolled when the transceiver is powered ON.
However, the opening comment indication can be skipped
by pushing [16•9].
13
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SCAN OPERATION
5
I Scan types
Scanning is an efficient way to quickly locate signals over a
wide frequency range. The transceiver has a priority scan set-
ting and normal scan setting.
Set the TAG channels (scanned channel) before scanning.
Clear those TAG channels which are not needed or inconve-
niently stop scanning, such as digital communications.
In addition, the “Weather alert” and “Auto scan” functions are
also available for scanning. These functions can be activated
simultaneously, depending on the settings on the SET mode.
(pgs. 18, 19)
Choose priority or normal scan on the SET mode. (p. 18)
PRIORITY SCAN
NORMAL SCAN
CH 01
CH 02
CH 01
CH 02
WX*
WX*
CH 16
CH 03
CH 03
CH 05
CH 04
CH 05
CH 04
* Previously selected weather channel
when weather alert function is ON.
* Previously selected weather channel
when weather alert function is ON
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.
14
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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.
Untagged will be skipped during scanning. TAG channels can
be assigned to each channel group (USA, INT, CAN) indepen-
dently.
Set the weather alert function, priority scan function, scan re-
sume timer and auto scan function in advance, using the SET
mode. (pgs. 18, 19)
q Make sure the desired channel group (e.g., USA, CAN, INT)
is selected. Move between channel groups by repeatedly
pushing [CH/WX•U/I/C] for 1 sec. at a time.
• When the weather alert function is in use, select the desired
weather channel with [CH/WX•U/I/C] and [Y]/[Z].
w Push [SCAN•DUAL] to start priority or normal scan.
• “SCAN” blinks in the function display.
5
q Select the desired channel to set as a TAG channel.
w Push and hold both [Y] and [Z] for 1 sec. to set the dis-
played channel as a TAG channel.
• “
” appears in the function display.
e To cancel the TAG channel setting, push and hold both [Y]
and [Z] for 1 sec.
• “16” appears on the comment indicator during priority scan.
• When a signal is received, scan pauses until the signal disap-
pears or resumes after pausing 5 sec. according to scan resume
timer setting. (Channel 16 is still monitored during priority scan.)
• Push [Y]/[Z] to check the scanning TAG channels, change the
scanning direction or resume the scan manually.
• “
” disappears.
✔
Clearing All Tagged Channels in the Selected Channel Group
While pushing and holding both [Y] and [Z], turn power ON
to clear all TAG channels setting in the channel group.
e To stop the scan, push [SCAN•DUAL].
• “SCAN” disappears.
• Pushing [PTT], [16•9] or [CH/WX•U/I/C] also stops the scan.
[Example]: Starting a normal scan.
Scan starts
Push
Push
When receiving a
signal, “SCAN” indi-
cation blinks and
audio is emitted.
to stop the scan
“SCAN” indication blinks
15
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DUALWATCH/TRI-WATCH
6
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.
q Select the desired operating channel.
w Push [SCAN•DUAL] for 1 sec. to start dualwatch or tri-
watch (depending on the SET mode setting; p. 19).
• “DUAL” blinks during dualwatch; “TRI” blinks during tri-watch.
• A beep tone sounds when a signal is received on Channel 16.
• Tri-watch becomes dualwatch when receiving a signal on the call
channel.
DUALWATCH/TRI-WATCH SIMULATION
Call channel
e To cancel dualwatch/tri-watch, push [SCAN•DUAL] again.
[Example]: Operating tri-watch on INT channel 07.
Push
for 1 sec.
Dualwatch
Tri-watch
• 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 starts.
Signal is received
on the call channel.
A signal receive on
Channel 16 always
takes priority.
Tri-watch resumes
after the signal
disappears.
16
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SET MODE
7
I SET mode programming
D SET mode operation
SET mode is used to change the condition of 18 transceiver
functions: beep tone function, weather alert function, scan
type, scan resume timer, auto scan function, dual/tri-watch
function, monitor key action, backlighting function, LCD con-
trast selection, auto power save function, self check function,
battery voltage indication, squelch sensitivity, channel name
scroll type, scroll speed, scrambler code, VOX gain and VOX
delay.
q Turn power OFF.
w While pushing and holding [
the SET mode.
], turn power ON to enter
• “BEEP” (Beep tone function setting) appears.
e Push [
], or push [
]] and [Y]/[Z] to select the de-
sired item.
6
7
r Push [Y]/[Z] to select the desired condition of the item.
t To exit the SET mode, push [16•9].
D SET MODE ITEMS
Beep tone*
Scan type‡
Scan resume timer‡
Auto scan start function‡
Dual/Tri-watch‡
Monitor key
VOX delay
action
Display
backlight
: Push [ ], or while pushing and holding [ ], push [Y]
: While pushing and holding [ ], push [Z]
*Starting item
VOX gain
LCD
contrast
†Availability may differ according to versions.
‡Not available with Dutch versions.
Voice scrambler
code†
Power save
function
Scroll speed
Channel name scroll type
Squelch sensitivity
Battery voltage indication
Self-check function
17
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7
SET MODE
I SET mode items
D Beep tone function
“
”
D
Priority scan function
“
”
Selects the key touch beep sound ON or US, or turns sound
OFF.
• ON : A fixed beep sounds (default)
• US : The preset beeps (e.g. do, re, mi) sound
• OFF: Silent operation
The transceiver has 2 scan types— normal (OFF) and priority
(ON) scans. Normal scan searches all TAG channels in the
selected channel group. Priority scan searches all TAG chan-
nels in sequence while monitoring Channel 16.
Push
Push
Normal scan
Priority scan (default)
Beep tone ON
Beep tone OFF
D Scan resume timer
“
”
D Weather alert function
“
”
The scan resume timer can be set as a pause (OFF) or timer
scan (ON). When OFF is selected, the scan pauses until a
received signal disappears. When ON is selected, the scan
pauses for 5 sec. after receiving a signal and then resumes
even if the signal has been received.
A NOAA broadcast station transmits a weather alert tone be-
fore any important weather announcements. When the
weather alert function is turned ON, any detected weather
alert will make the IC-M72 activate a blinking “WXALT” alert
indicator on the function display and repeatedly sound a beep
tone. The blinking and beeping stops when the radio is picked
up and operated. The previously selected weather channel is
checked any time during standby, or while scanning, when
the power save function is activated.
Push
Scan resume timer
OFF (default)
Scan resume timer
ON
• “ALT” appears when the function is set ON.
Push
Weather alert function
OFF (default)
Weather alert function
ON
18
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SET MODE 7
D Auto scan function
“
”
D Monitor key action
“
”
The auto scan function starts the desired scan automatically
when no signal is received, and no operation is performed for
30 sec.
The monitor key action cuts off the squelch function tem-
porarily. This key action contains PUSH (Pu) or HOLD (Ho)
settings as shown below.
• Pu (PUSH): After pushing [
emits audio. The squelch is held open while continu-
ously pushing and holding [ ]. (default)
• Ho (HOLD): After pushing [ ] for 1 sec., the squelch opens and
emits audio even [
squelch, push any key.
] for 1 sec., the squelch opens and
Push
] is released. To close the
Auto scan OFF
Auto scan ON
7
D Dual/Tri-watch function
“
”
Push
This item selects dual or tri-watch as desired. See p. 16 for
details.
Push setting (default)
Hold setting
Push
D Backlight function
“
”
This function is convenient for nighttime operation. The back-
light can be selected from ON and OFF.
Dualwatch (default)
Tri-watch
• The backlight is automatically activated when any key except for
[PTT] is pushed.
• The backlight is automatically turned OFF after 5 sec. of inactivity.
Push
Backlight ON
(default)
Backlight OFF
19
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7
SET MODE
D LCD contrast selection
“
”
D Self check function
“
”
The contrast of the LCD can be selected from Hi (default) and
Lo.
The self check function informs you in case a problem is
found with the radio. Self check automatically and quickly
runs through its diagnostic steps each time the radio is turned
ON. Afterwards, the radio switches to normal operation mode.
• Temperature : Outside of –35°C to +73°C; –31°F to +163°F
(approx.)
Push
High contrast (default)
Low contrast
• Connected battery voltage
• Water intrusion
D Auto power save function
“
”
Push
The auto power save function reduces current drain by deac-
tivating the receiver circuit for preset intervals.
• ON : The power save function is turned ON. The power save func-
tion will activate when no signal is received, and no operation
is performed for 5 sec.
Self check OFF
(default)
Self check ON
When any of the bellow error messages appear, see the trou-
bleshooting section of this document for advice. (p. 30)
• OFF : The power save function is turned OFF.
Push
Power save ON
(default)
Power save OFF
Battery voltage error Temperature error
Water intrusion
20
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SET MODE 7
D Battery voltage indicator
“
”
D Channel name scroll type
“
”
This function controls display or non-display settings of the
connected battery pack’s voltage when the power is ON.
• The voltage of the connected battery pack is displayed for 2 sec.
after power is turned ON.
Selects the channel name/comment scroll type from 1 and 2.
• 1: The first 7 characters are displayed for 1 sec. (approx.) then
scrolls. When the channel name/comment is 7 character or less,
it does not scroll (default).
• 2: The channel name/comment scrolls regardless of the number of
characters after no name/comment (blank) is indicated for 1 sec.
Push
Push
Voltage indication
OFF (default)
Voltage indication ON
7
Scroll type 1 (default)
Scroll type 2
D Squelch sensitivity function
“
”
D Scrolling speed
“
”
When this function is turned ON (local), blocking against noise
is improved and the squelch is not easily affected by noise.
Selects the channel name/comment scroll speed.
• 1: Scrolls 3.33 characters in a second.
• 2: Scrolls 2.5 characters in a second.
• 3: Scrolls 2 characters in a second.
Push
Squelch sensitivity
OFF (default)
Squelch sensitivity
ON
Push
Scroll speed 1
Scroll speed 3
21
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7
SET MODE
D
Voice scrambler code
“
”
D VOX delay
“
”
Sets the VOX delay timer (0.5 to 3.0 sec. in 0.5 sec. steps) so
that the transceiver keeps on transmitting after you stops
speaking.
(available with some versions only)
There are 32 codes (1 to 32) available for programming. In
order to understand each other, all transceivers in your group
must share the same scrambler code.
Push
Push
VOX delay 1.0
VOX delay 3.0
Scramble code 1
(default)
Scramble code 32
D VOX gain
“
”
Adjusts the VOX gain level from 1 (low sensitivity) to 6 (high sen-
sitivity) when speaking with the optional headset.
Push
VOX gain 1 (default)
VOX gain 6
22
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BATTERY CHARGING
8
I Battery cautions
• R DANGER! DO NOT expose the battery to rain, snow,
seawater, or any other liquids. Do not charge or use a wet
battery. If the battery gets wet, be sure to wipe it dry before
using. The battery by itself is not waterproof.
Misuse of Lithium-ion batteries may result in the follow-
ing hazards: smoke, fire, or battery rupture.
Misuse can also cause other battery damage or degra-
dation of battery performance.
• R DANGER! NEVER incinerate a used battery pack since
internal battery gas may cause a rupture or explosion.
• R DANGER! Use and charge only specified Icom battery
pack with Icom transceiver. Only Icom battery pack is tested
and approved for use with Icom transceiver. Using third-
party or counterfeit battery packs may cause smoke, fire, or
cause the battery to burst.
• R DANGER! NEVER solder the battery terminals, or
NEVER modify the battery pack. This may cause heat gen-
eration, and the battery may rupture, emit smoke or catch
fire.
7
8
• R DANGER! Use the battery only with the transceiver for
which it is specified. Never use a battery with any other
equipment, or for any purpose that is not specified in this in-
struction manual.
D Battery caution
• R DANGER! DO NOT hammer or otherwise impact the bat-
tery. Do not use the battery if it has been severely impacted
or dropped, or if the battery has been subjected to heavy
pressure. Battery damage may not be visible on the outside
of the case. Even if the surface of the battery does not show
cracks or any other damage, the cells inside the battery may
rupture or catch fire.
• R DANGER! If fluid from inside the battery gets in your
eyes, blindness can result. Rinse your eyes with clean
water, without rubbing them, and see a doctor immediately.
• WARNING! Immediately stop using the battery if it emits an
abnormal odor, heats up, or is discolored or deformed. If any
of these conditions occur, contact your Icom dealer or dis-
tributor.
• R DANGER! NEVER use or leave battery pack in areas
with temperatures above +60˚C (+140˚F). High temperature
buildup in the battery, such as could occur near fires or
stoves, inside a sun-heated car, or by setting the battery in
direct sunlight may cause the battery to rupture or catch fire.
Excessive temperatures may also degrade battery perfor-
mance or shorten battery life.
• WARNING! Immediately wash, using clean water, any part
of the body that comes into contact with fluid from inside the
battery.
23
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8
BATTERY CHARGING
D Charging caution
• WARNING! NEVER put the battery in a microwave oven,
high-pressure container, or in an induction heating cooker.
This could cause overheating, a fire, or cause the battery to
rupture.
• R DANGER! NEVER charge the battery pack in areas with
extremely high temperatures, such as near fires or stoves,
inside a sun-heated car, or in direct sunlight. In such envi-
ronments, the safety/protection circuit in the battery will acti-
vate, causing the battery to stop charging.
• CAUTION! Always use the battery within the specified tem-
perature range for the transceiver (–20˚C to +60˚C; –4˚F to
+140˚F) and the battery itself (–20˚C to +60˚C; –4˚F to
+140˚F). Using the battery out of its specified temperature
range will reduce the battery’s performance and battery life.
Please note that the specified temperature range of the bat-
tery may exceed that of the transceiver. In such cases, the
transceiver may not work properly because it is out of its op-
erating temperature range.
• WARNING! DO NOT charge or leave the battery in the bat-
tery charger beyond the specified time for charging. If the
battery is not completely charged by the specified time, stop
charging and remove the battery from the battery charger.
Continuing to charge the battery beyond the specified time
limit may cause a fire, overheating, or the battery may rup-
ture.
• CAUTION! Shorter battery life could occur if the battery is
left fully charged, completely discharged, or in an excessive
temperature environment (above +45˚C; +113˚F) for an ex-
tended period of time. If the battery must be left unused for a
long time, it must be detached from the radio after discharg-
ing. You may use the battery until the battery indicator
shows half-capacity, then keep it safely in a cool dry place
with the temperature between –20˚C to +25˚C (–4˚F to
+77˚F).
• WARNING! NEVER insert the battery and transceiver (bat-
tery attached to the transceiver) into the charger if it is wet or
soiled. This could corrode the battery charger terminals or
damage the charger. The charger is not waterproof.
• CAUTION! DO NOT charge the battery outside of the spec-
ified temperature range: 0˚C to +45˚C (+32˚F to +113˚F).
Icom recommends charging the battery at +20˚C (+68˚F).
The battery may heat up or rupture if charged out of the
specified temperature range. Additionally, battery perfor-
mance or battery life may be reduced.
24
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BATTERY CHARGING 8
I Supplied battery charger
D BC-166 installation
D Charging
q Connect the AC adapter as shown below.
w Insert the battery pack with/without the transceiver into the
charger.
• To a desktop
• To a wall
Supplied screws
• The charge indicator lights orange.
Supplied screws
e Charge the battery pack approx. 11 hours, depending on
the remaining power condition.
q
• The charge indicator lights green when charging is complete.
NOTE: The battery charger, BC-166, has charging timer.
The timer stops the charging process after 14 hours (ap-
prox.).
e
8
w
Transceiver
Turn the transceiv-
er power OFF dur-
ing charging.
• For added stability
Battery
pack
Eyelet:
Charger indicator
Use a rubber band to
secure the transceiv-
er, if desired.
AC
adapter
25
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8
BATTERY CHARGING
I Optional battery chargers
D AD-114 installation
D Rapid charging with the BC-119N+AD-114
The optional BC-119N provides rapid charging of battery
packs. The following options are additionally required.
• AD-114 charger adapter
• An AC adapter (BC-145) or the DC power cable (OPC-
515L/CP-17L).
qConnect both the 3-pin and 10-pin connectors of the
charger to the AD-114 desktop charger adapter’s plug.
wInstall the adapter into the charger in the direction of the
arrow, then use the supplied 2 screws to secure the
charger adapter to the charger.
Desktop charger adapter
Transceiver
Turn power OFF
10-pin connector
3-pin connector
Battery pack
Supplied
screws
AD-114 charger
adapter is instal-
led in BC-119N.
AC adapter
(Not supplied
with some
versions.)
Optional OPC-515L (for 13.8 V
power source) or CP-17L (for 12
V cigarette lighter socket) can be
used instead of the AC adapter.
26
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BATTERY CHARGING 8
D Rapid charging with the BC-121N+AD-114
The optional BC-121N allows up to 6 battery packs to be
charged simultaneously. The following options are addition-
ally required.
• Six AD-114 charger adapters
• An AC adapter (BC-157) or the DC power cable (OPC-656)
Transceiver
Turn power OFF
8
Battery pack
AC adapter
(Purchase
separately)
AD-114 charger adapters
are installed in each slot.
DC power cable (OPC-656)
(Connect with the DC power supply;
13.8 V/at least 7 A)
27
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OPTIONAL SWIVEL BELT CLIP
9
I Attachment
q Screw the base clip to the
back of the transceiver
using the two screws (sup-
plied), as shown at right.
I Detachment
➥ Turn the transceiver upside down in the direction of the
arrow and pull out from the belt clip.
Supplied screws
w Clip the belt clip over your belt and insert the transceiver.
R
WHEN HANGING OR DETACHING THE TRANSCEIVER
FROM THE BELT CLIP.
CAUTION!: HOLD THE TRANSCEIVER TIGHTLY
Otherwise the transceiver may not be attached to the belt
clip or swivelled properly if the transceiver is accidentally
dropped and the base clip is scratched or damaged.
e Once the transceiver is locked in place, it swivels.
28
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OPTIONAL SPEAKER-MICROPHONE
10
I HM-125 descriptions
I Attachment
Insert the speaker-mic connector onto the [SP MIC] connec-
tor and carefully screw it tight, as shown in the diagram
below. Be careful not to cross-thread the connection.
Alligator type clip
To attach the speaker-mic.
to your shirt or collar, etc.
CAUTION: Attach the speaker-
microphone’s connector securely
to prevent accidental dropping, or
water intrusion in the connector.
Set the triangle mark
to the front side.
PTT switch
Transmits during push.
Receives during release.
Microphone
Speaker
Detaching:
Pull up the cap
in the direction
of the arrow to
detach it.
9
10
Turn the transceiver power OFF
when connecting the HM-125.
Attaching:
Attach the cap
in the direction
of the arrow
completely.
NEVER immerse the connector in water. If the connector be-
comes wet, be sure to dry it BEFORE attaching it to the trans-
ceiver.
IMPORTANT: KEEP the transceiver’s [SP MIC] connector
cap attached when the speaker-microphone is not in use.
Water will not get into the transceiver even if the cover is
not attached; however, the terminals (pins) will become
rusty, or the transceiver will function abnormally if the con-
nector has become wet.
NOTE: The microphone is located at the top of the
speaker-microphone, as shown in the diagram above. To
maximize the readability of your transmitted signal (voice),
hold the microphone approx. 2.5 cm (1 inch) from your
mouth, and speak in a normal voice level.
29
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TROUBLESHOOTING
11
PROBLEM
POSSIBLE CAUSE
SOLUTION
• Recharge the battery pack.
REF.
The transceiver does not • The battery is depleted.
turn ON.
pgs.
25–27
p. 3
• Bad connection to the battery pack.
• Check the connection to the transceiver.
No sound from the • Squelch level is too tight.
• Set squelch to the threshold point.
• Rotate [VOL] to set a suitable level.
• Push and hold both [16•9] and [H/L•LOCK] to
drain water from the speaker.
p. 11
p. 9
p. 12
speaker.
• Volume level is too low.
• Speaker has been exposed to water.
• Water has entered to [SP MIC] connector.
• Dry [SP MIC] connector.
—
Transmitting is impossible, • Some channels are for low power or receive • Change channels.
or high power can not be only.
pgs. 8, 9,
31
selected.
• The battery is exhausted.
• Recharge the battery pack.
pgs.
25–27
—
• The battery is overcharged.
• Verify the battery voltage is correct.
• The output power is set to low.
• Push [H/L•LOCK] to select high power.
p. 9
The displayed channel • Lock function is activated.
• Push [H/L•LOCK] for 1 sec. to cancel the function.
p. 10
cannot be changed.
Scan does not start.
No beeps.
• “TAG” channels are not programmed.
• Beep tones are turned OFF.
• Set the desired channels as “TAG” channels.
p. 15
p. 18
• Set the beep tones to ON (Fix Beep/User Beep) in
the SET mode.
Self check error.
(Temperature)
• The temperature is outside of –35°C to +73°C; • Leave the transceiver at room temperature for a
—
—
–31°F to +163°F (approx.).
while. Turn the power ON to check if the internal
temperature has returned to normal.
Self check error.
(Battery voltage)
• The connected battery pack’s voltage is more • Verify the battery voltage is correct.
than 11 V.
Transmitting continuously • Ambient noise is too loud.
while not speaking when
using VOX function.
• Push [
VOX function.
• Set the VOX gain to lower sensitive value.
] and [H/L•LOCK] to deactivate the
p. 12
p. 22
“CHARGE” comment
• The connected battery is depleted.
• Recharge the battery pack.
pgs.
blinks
25–27
30
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VHF MARINE CHANNEL LIST
12
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
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
85
85A
86
85
86
87
88
85 157.275 161.875
157.275 157.275
01
01 156.050 160.650
156.050 156.050
19A
20
19A 156.950 156.950
*
66
156.325 160.925
156.325 156.325
*
66A
01A
03A
20
21
22
23
157.000 161.600
157.000 157.000
66A 66A
*
20
86 157.325 161.925
157.325 157.325
02
03
02 156.100 160.700
03 156.150 160.750
156.150 156.150
20A
67
68
69
70
71
72
73
74
77
78
67 156.375 156.375
68 156.425 156.425
69 156.475 156.475
67
68
69
70
71
72
73
74
86A
87
21 157.050 161.650
21A 157.050 157.050
157.100 161.700
87 157.375 161.975
157.375 157.375
21A
22A
87A
88
04
05
156.200 160.800
Rx only
156.525
70
88 157.425 162.025
157.425 157.425
04A 156.200 156.200
156.250 160.850
22A 157.100 157.100
23 157.150 161.750
157.150 157.150
71 156.575 156.575
72 156.625 156.625
73 156.675 156.675
88A
05A
06
05A 156.250 156.250
06 156.300 156.300
156.350 160.950
21b Rx only 161.650
25b Rx only 161.850
28b Rx only 162.000
83b Rx only 161.775
23A
24
06
07
24
25
26
27
28
60
61
24 157.200 161.800
25 157.250 161.850
26 157.300 161.900
27 157.350 161.950
28 157.400 162.000
60 156.025 160.625
156.075 160.675
74 156.725 156.725
*
77
*
25
156.875 156.875
156.925 161.525
77
07A
08
09
10
11
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
26
08
09
10
11
12
13
14
27
78A
79A
80A
81A
82A
78A 156.925 156.925
156.975 161.575
Frequency (MHz)
28
79
80
81
82
83
84
11
12
WX channel
Transmit Receive
79A 156.975 156.975
157.025 161.625
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
12 156.600 156.600
*
61A
61A 156.075 156.075
156.125 160.725
80A 157.025 157.025
157.075 161.675
*
156.650 156.650
3
13
13
62
63
64
65
14
14 156.700 156.700
*
15
4
62A 156.125 156.125
156.175 160.775
81A 157.075 157.075
157.125 161.725
*
*
156.750 156.750
5
15
15
16
17
18
16
16 156.800 156.800
*
6
82A 157.125 157.125
83 157.175 161.775
83A 157.175 157.175
84 157.225 161.825
157.225 157.225
63A
64A
156.175 156.175
*
156.850 156.850
156.900 161.500
7
17
17
64 156.225 160.825
64A 156.225 156.225
156.275 160.875
83A
84
8
18A
18A 156.900 156.900
156.950 161.550
9
84A
19
10
65A 65A 65A 156.275 156.275
NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in USA waters.
*Low power only.
The programmed channels are differ according to versions.
31
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SPECIFICATIONS
13
D GENERAL
D RECEIVER
• Frequency coverage
: TX
RX
156.025–157.425 MHz
156.050–163.275 MHz
• Receive system
: Double-conversion superhetero-
dyne
• Mode
• Power supply requirement
: 16K0G3E
: Specified Icom’s battery pack only
• Sensitivity (12 dB SINAD)
• Squelch sensitivity
: 0.22 µV typical
: 0.35 µV typical (at threshold)
• Current drain (at 7.5 V DC; approx.):
• Intermodulation rejection ratio: 70 dB typical
• Spurious response rejection ratio:
70 dB typical
TX High (at 6 W)
TX Mid. (at 3 W)
TX Low (at 1 W)
RX Max. audio
1.7 A
1.3 A
0.7 A
• Adjacent channel selectivity : 70 dB typical
400 mA (internal speaker)
200 mA (external speaker)
• Audio output power
:
Internal speaker
0.6 W typical at 10% distortion with an
• Useable temperature range : –20°C to +60°C; –4°F to +140°F
8 Ω load
• Frequency error
• Antenna connector
• Dimensions
: 10 ppm
: SMA (50 Ω nominal)
: 52.5(W) × 125(H) × 30(D) mm
21⁄16(W) × 429⁄32(H) × 13⁄16(D) inch
: Approx. 280 g (9.9 oz)
External speaker
0.35 W typical at 10% distortion with an
8 Ω load
(Projections not included)
• Weight (with BP-245)
D TRANSMITTER
• Output power (at 7.5 V DC)
: 6 W* (High), 3 W (Middle)
and 1 W (Low) *5 W for some versions
: Variable reactance frequency mod-
ulation
• Modulation system
• Max. frequency deviation
• Adjacent channel power
• Spurious emissions
:
5 kHz
: 70 dB
: –68 dBc typical
All stated specifications are subject to change without notice or
obligation.
32
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OPTIONS
14
D BATTERY CASE AND PACK
• BP-245 Li-Ion BATTERY PACK
D DC CABLES
• CP-17L CIGARETTE LIGHTER CABLE
7.4 V/2000 mAh Li-Ion battery pack.
Charges the battery pack through a 12 V cigarette lighter socket.
(For BC-119N)
• OPC-515L/OPC-656 DC POWER CABLES
Charges the battery pack using 13.8 V power source instead of the
AC adapter.
D CHARGERS
• BC-119N DESKTOP CHARGER + AD-114 CHARGER ADAPTER
+ BC-145 AC ADAPTER
OPC-515L: For BC-119N
For rapid charging of battery packs. An AC adapter is supplied with
the charger depending on versions. Charging time: approx. 3 to 4
hours
• BC-121N MULTI-CHARGER + AD-114 CHARGER ADAPTER (6 pcs.)
+ BC-157 AC ADAPTER
OPC-656 : For BC-121N
D OTHER OPTIONS
• HM-125 SPEAKER-MICROPHONE
For rapid charging of up to 6 battery packs (six AD-114’s are re-
quired) simultaneously. An AC adapter should be purchased sepa-
rately. Charging time: approx. 3 to 4 hours.
Full sized waterproof (IPX7; 1m/30 min.) speaker-microphone. In-
cludes an alligator clip to attach the speaker mic to your shirt, collar,
etc.
• BC-166 DESKTOP CHARGER + BC-147A/E/BM-95V AC ADAPTER
Used for regular charging of battery pack. The same as supplied
with the transceiver. Charging time: approx. 11 to 12 hours
• HS-94/HS-95/HS-97 HEADSET + OPC-1392 HEADSET ADAPTER
HS-94: Ear-piece type
HS-95: Neck-arm type
HS-97: Throat microphone
*These headsets and headset adapter are non-waterproof.
13
14
D BELT CLIPS
• MB-103 BELT CLIP
The same as supplied with the transceiver.
• MB-86 SWIVEL BELT CLIP
Belt clip for swivel type.
• FA-S64V FLEXIBLE ANTENNA
Same as that supplied with the transceiver.
Available or applicable options may differ according to
countries. Ask your authorized dealer for details.
33
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A-6479D-1EX-q
Printed in Japan
© 2005–2006 Icom Inc.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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