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.
SAFETY TRAINING INFORMATION
Your Icom radio generates RF electromagnetic energy during
transmit mode.
This radio has been evaluated for compliance at the distance
of 2.5 cm with the FCC RF exposure limits for “Occupational
Use Only”. In addition, your Icom radio complies with the folW ARN ING
lowing Standards and Guidelines with regard to RF energy
and electromagnetic energy levels and evaluation of such
levels for exposure to humans:
• FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance
with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.
• American National Standards Institute (C95.1-1992), IEEE Standard for
Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz.
• American National Standards Institute (C95.3-1992), IEEE Recommended
Practice for the Measurement of Potentially Hazardous Electromagnetic
Fields– RF and Microwave.
• The following accessories are authorized for use with this product. Use of
accessories other than those specified may result in RF exposure levels
exceeding the FCC requirements for wireless RF exposure.; Belt Clip (MB86, MB-103), Rechargeable Li-Ion Battery Pack (BP-245N), Speaker-microphone (HM-125), Headset with headset adapter (HS-94, HS-95, HS-97
with OPC-1392).
To ensure that your expose to RF electromagnetic energy is within the FCC allowable limits for occupational
use, always adhere to the following guidelines:
C AU TIO N
i
• DO NOT operate the radio without a proper antenna attached, as this may
damaged the radio and may exceed FCC RF exposure limits. A proper
antenna is the antenna supplied with this radio by the manufacturer or
an antenna specifically authorized by the manufacturer for use with this
radio.
• DO NOT transmit for more than 50% of total radio use time (“50% duty
cycle”). Transmitting more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. The radio is transmitting
when the “TX indicator” lights. When the radio is turned ON, pressing the
“PTT” switch makes the radio transmit.
• ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body
when transmitting and only use one of the belt clips listed on page 33
when attaching the radio to your belt, etc., to ensure FCC RF exposure
compliance requirements are not exceeded. To provide the recipients of
your transmission the best sound quality, hold the radio in an almost vertical position at least 5 cm (2 inches) from your mouth. The microphone is
located next to the speaker, so you should “talk into the speaker”.
The information listed above provides the user with the information needed to
make him or her aware of RF exposure, and what to do to assure that this radio
operates within FCC RF exposure limits.
Electromagnetic Interference/Compatibility
During transmissions, your Icom radio generates RF energy that can possibly
cause interference with other devices or systems. To avoid such interference,
turn off the radio in areas where signs are posted to do so. DO NOT operate
the transmitter in areas that are sensitive to electromagnetic radiation such as
hospitals, aircraft, and blasting sites.
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 operation. Otherwise, the transceiver’s keys, switches and controllers may become inoperable due to salt crystallization.
❍ USING CHANNEL 16
DISTRESS CALL PROCEDURE
1. “MAYDAY MAYDAY MAYDAY.”
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
detached from the transceiver.
2. “THIS IS ���������������������������” (name of vessel)
3. Say your call sign or other indication of the
vessel.
4. “LOCATED AT ��������������������� ” (your position)
5. S
tate the nature of the distress and assistance required.
6. Give any other information which might facilitate the rescue.
ii
FOREWORD
FEATURES
Thank you for purchasing this Icom radio. The IC-M72 vhf marine transceiver is designed and built with Icom’s state of the
art technology and craftsmanship. With proper care this product should provide you with years of trouble-free operation.
☞ Submersible construction
IMPORTANT
READ ALL INSTRUCTIONS
carefully and com-
pletely before using the transceiver.
uilt tough to withstand the punishing marine environB
ment, the IC-M72’s submersible construction meets IPX8
of the corresponding International Standard IEC 60529
(2001) while using BP-245N.
In addition, the new speaker grill structure with a water
self-draining function is helpful for draining water or seawater easily.
☞ Dualwatch and tri-watch functions
SAVE THIS INSTRUCTION MANUAL—This
instruction manual contains important operating instructions
for the IC-M72.
Convenient functions that allow you to monitor the distress channel (Ch 16) while receiving one other channel of
your choice (dualwatch), or while receiving one other channel of your choice and the call channel (Ch 09) (tri-watch).
See p. 16 for details.
EXPLICIT DEFINITIONS
☞ Large, easy-to-read LCD
WORD
RDANGER
RWARNING
CAUTION
NOTE
iii
DEFINITION
Personal death, serious injur y or an
explosion may occur.
Personal injury, fire hazard or electric
shock may occur.
Equipment damage may occur.
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
With the generous dimensions of 22.5(H) × 31.5(W) mm;
× 11⁄4(W) inch, the IC-M72’s function display is easy
to read and shows operating conditions at a glance. Backlighting and contrast can be adjusted to suit your preferences.
7⁄8(H)
☞ 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.
PRECAUTION
RWARNING! NEVER
connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
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.
NEVER
connect the transceiver to a power source other
than the BP-245N. Such a connection will ruin the transceiver.
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).
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.
BE CAREFUL!
The IC-M72 employs submersible construction (1.5 m; 4.9 ft depth for 30 min.). However, once the
transceiver has been dropped, waterproofing cannot be guaranteed due to the fact that the transceiver may be cracked, or
the waterproof seal damaged, etc.
For the U.S.A. only
Changes or modifications to this device, not
expressly approved by Icom Inc., could void your authority to
operate this device under FCC regulations.
CAUTION:
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 Icom logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France,
Spain, Russia and/or other countries.
iv
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
1 OPERATING RULES..............................................................1
2 SUPPLIED ACCESSORIES AND ATTACHMENTS......... 2−3
■ Supplied accessories..........................................................2
■ Attachments........................................................................2
3 PANEL DESCRIPTION..................................................... 4−6
■ Front, top and side panels...................................................4
■ Function display..................................................................5
4 BASIC OPERATION........................................................ 7−13
■ Channel selection...............................................................7
■ Receiving and transmitting..................................................9
■ Call channel programming................................................10
■ Lock function.....................................................................10
■ Monitor function................................................................10
■ Adjusting the squelch level................................................11
■ Backlighting function.........................................................11
■ Voice scrambler operation.................................................11
■ VOX function.....................................................................12
■ AquaQuake water draining function..................................12
■ Channel naming . .............................................................12
v
5 SCAN OPERATION...................................................... 14−15
■ Scan types........................................................................14
■ Setting TAG channels........................................................15
■ Starting a scan..................................................................15
6 DUALWATCH/TRI-WATCH..................................................16
■ Description........................................................................16
■ Operation..........................................................................16
7 SET MODE.................................................................... 17−22
■ SET mode programming...................................................17
■ SET mode items...............................................................18
8 BATTERY CHARGING.................................................. 23−27
■ Battery cautions................................................................23
■ Supplied battery charger...................................................25
■ Optional battery chargers.................................................26
9 OPTIONAL SWIVEL BELT CLIP.........................................28
■ Attachment........................................................................28
■ Detachment.......................................................................28
10OPTIONAL SPEAKER-MICROPHONE...............................29
■ HM-125 descriptions.........................................................29
■ Attachment........................................................................29
11TROUBLESHOOTING.........................................................30
12VHF MARINE CHANNEL LIST............................................31
13SPECIFICATIONS................................................................32
14OPTIONS..............................................................................33
OPERATING RULES
D Priorities
• Read all rules and regulations pertaining to priorities and
keep an up-to-date copy handy. Safety and distress calls
take priority over all others.
• You must monitor Channel 16 when you are not operating
on another channel.
• False or fraudulent distress calls are prohibited under law.
D Privacy
• Information overheard but not intended for you cannot lawfully be used in any way.
• 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.
Inquire through your dealer or the appropriate government
agency for a Ship-Radiotelephone license. This license includes the call sign which is your craft’s identification for radio
purposes.
1
(2) OPERATOR’S LICENSE
A restricted Radiotelephone Operator Permit is the license
most often held by small vessel radio operators when a radio
is not required for safety purposes.
1
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.
However, non-licensed individuals may talk over a transceiver
if a licensed operator starts, supervises, ends the call and
makes the necessary log entries.
A current copy of the applicable government rules and regulations 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.
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 cannot be lawfully used by the general public in USA waters.
1
2
SUPPLIED ACCESSORIES AND ATTACHMENTS
■ Supplied accessories
■ Attachments
The following accessories are supplied:
Qty.
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
D Flexible
q
w
antenna
Connect the supplied flexible antenna to the antenna connector.
CAUTION: Transmitting without
an antenna may damage the
transceiver.
NEVER HOLD by the antenna
when carrying the transceiver.
e
r
D Handstrap
t
y
u
(A different type, or no AC
adapter is supplied, depending on the version.)
2
Pass the handstrap through the
loop on the top corner of the transceiver as illustrated at left.
Facilitates carrying.
SUPPLIED ACCESSORIES AND ATTACHMENTS
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.
2
2
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
3
PANEL DESCRIPTION
■ Front, top and side panels
q
w
e
r
!0
qVOLUME CONTROL [VOL]
Turns power ON and adjusts the audio level.
o
wPTT SWITCH [PTT]
Push and hold to transmit; release to receive.
Function
display
(p. 5)
i
u
t
y
eMONITOR 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)
rCHANNEL UP/DOWN KEYS [Y]/[Z]
• Selects an operating channel. (pgs. 7–9)
• Selects the SET mode condition of the item. (p. 17)
• Selects the SET mode item when pushed with [
].
(p. 17)
Microphone
Speaker
• Checks TAG channels or changes scanning direction during scan. (p. 15)
tCHANNEL 16 KEY [16•9]
• 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
PANEL DESCRIPTION
3
■ Function display
yTRANSMIT 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)
uSCAN KEY [SCAN•DUAL]
• Starts and stops normal or priority scan when pushed.
q
!5
w
!4
!3
r
!2
t
!1
y
(pgs. 14, 15)
• Enters watch mode when pushed and held for 1 sec.
(p. 16)
iCHANNEL/WEATHER CHANNEL KEY [CH/WX•U/I/C]
• Selects and toggles the regular channels and weather
channel when pushed. (p. 8)
• 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 active.
*Available with the USA versions only.
• Push to return to the condition before selecting the channel when the priority channel or the call channel is selected.
oSPEAKER-MICROPHONE CONNECTOR [SP MIC]
Connects the optional external speaker-microphone or
headset.
NOTE: Attach the [SP MIC] cap when the optional
speaker-microphone or headset is not used.
!0ANTENNA CONNECTOR
Connects the supplied antenna.
3
e
u
!0
i
o
qCHANNEL NUMBER READOUT
• Indicates the selected operating channel number.
• In SET mode, indicates the selected condition.
• “DUP” appears when a duplex channel is selected.
wTAG CHANNEL INDICATOR (p. 15)
Appears when TAG channel is selected.
eBATTERY INDICATOR
Indicates remaining battery power.
Indication
Battery level
Full
Middle
Charging
required
No battery
blinks when the battery is overcharged (or over voltage).
5
3
PANEL DESCRIPTION
rMONITOR INDICATOR (p. 10)
Appears when the monitor function is activated.
tDUALWATCH/TRI-WATCH INDICATORS (p. 16)
“DUAL” blinks during dualwatch; “TRI” blinks during triwatch.
yVOX INDICATOR (p. 12)
Appears when the VOX function is used.
uSCRAMBLER INDICATOR (pgs. 11, 22)
Appears when the voice scrambler is activated.
*The voice scrambler function is available with some versions
only.
iCHANNEL NAMING
• Indicates or scrolls operating channel name or comment.
(p. 13)
• In SET mode, indicates or scrolls the selected item.
(pgs. 17–22)
oLOCK INDICATOR (p. 10)
Appears when the lock function is activated.
!0CALL CHANNEL INDICATOR (p. 7)
Appears when the call channel is selected.
!1CHANNEL GROUP INDICATOR (p. 8)
“USA” appears when U.S.A.; “INT” appears when International; “CAN*” appears when Canadian channel group is
selected.
*Available with the USA versions only.
6
!2WEATHER CHANNEL/WEATHER ALERT INDICATORS
(p. 8)
• “ WX” appears when the weather channel group is
selected.
• “WX ALT” appears when the weather alert function is
activated.
!3TRANSMIT 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.
!4TRANSMIT INDICATOR (p. 9)
Appears during transmit.
!5BUSY INDICATOR (pgs. 9, 10)
Appears when a signal is received or squelch is open.
BASIC OPERATION
4
■ 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 16
Channel 16 (Distress channel) is used for establishing initial
contact with another station and for emergency communications. Channel 16 is automatically monitored during both dualwatch and tri-watch. While standing by, you must monitor
Channel 16.
qPush [16•9] to select Channel 16.
wPush [CH/WX•U/I/C] to return to the condition before selecting Channel 16, or push [Y]/[Z] to select the operating
channel.
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
qPush and hold [16•9] for 1 sec. to select the call channel.
• “CALL” and the call channel number appear.
• C all channel can be re-programmed. See the “Call channel
programming” on p. 10 for details.
wPush [CH/WX•U/I/C] to return to the condition before selecting Channel 9 (call channel), or push [Y]/[Z] to select
the operating channel.
Push
Push
for 1 sec.
7
4
BASIC OPERATION
D U.S.A., International and Canadian channels
The IC-M72 has 57 U.S.A., 57 International and 61 Canadian* channels. You must select the proper channels for the
operating area.
*Available with the USA versions only.
qPush [CH/WX•U/I/C] to select the regular channel.
• If the weather channel appears, push [CH/WX•U/I/C] again.
wPush [Y]/[Z] to select a channel.
• “DUP” appears for duplex channels.
eTo change the channel group, push and hold
[CH/WX•U/I/C] for 1 sec.
D Weather channels
The IC-M72 has 10 weather channels. They are used for
monitoring NOAA (National Oceanographic and Atmospheric Administration) broadcasts (reception of weather channels possible
in U.S.A. only).
qPush [CH/WX•U/I/C] to select the weather channel group.
wPush [Y]/[Z] to select a weather channel.
ePush [CH/WX•U/I/C] to return to the condition before selecting the weather channel group.
• Repeat until you reach the desired channel group.
Push
Push for 1 sec.
✔ CONVENIENT!
The IC-M72 can detect a weather aler t 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.
U.S.A. channel
International channel
8
Canadian channel
BASIC OPERATION
4
■ Receiving and transmitting
CAUTION: Transmitting without an antenna may
damage the transceiver.
qRotate [VOL] clockwise to turn power ON.
• Opening comment scrolls across the function display. (p. 13)
• Push [16•9] to skip the opening comment indication.
wSet the volume and squelch level.
➥ Push [ ], and push [Z] to open the squelch.
➥ Rotate [VOL] to set the volume level.
➥ Push [ ], and push [Y]/[Z] to set the squelch level.
ePush [Y]/[Z] to select the desired channel.
- When receiving a signal, “
” indicator appears while audio is
emitted from the speaker.
- Further adjustment of [VOL] may be necessary at this point.
IMPORTANT: To maximize the readability of your transmitted 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.
4
NOTE: The transceiver has a power save function to conserve the battery power. The power save function activates automatically when no signal is received for 5 sec.
To prevent accidental prolonged transmission, etc., the
IC-M72 has a time-out timer function. This timer cuts a
transmission OFF after 5 min. of continuous transmission.
t Push to transmit
y Release to receive
q Power ON
w Set volume
rPush [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.
-C
hoose low or mid. power to conserve battery power, choose
high power for longer distance communications.
- Some channels are for low power only.
tPush and hold [PTT] to transmit, and speak into the microphone.
- The transmit indicator appears while transmitting.
- Channel 70 cannot be used for transmission.
yRelease [PTT] to receive.
r Set output power
w Set the squelch
level
w Set the squelch
level
e Select the
Microphone
Speaker
9
4
BASIC OPERATION
■ Call channel programming
■ Lock function
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.
This function electronically locks all keys (except for [PTT], [ ]
and [H/L•LOCK]) to prevent accidental channel changes and
qPush and hold [CH/WX•U/I/C] for 1 sec. several times to
select the desired channel group (USA, INT, CAN) to be programmed.
wPush and hold [16•9] for 1 sec. to select the call channel.
function access.
➥ Push [H/L•LOCK] for 1 sec. to turn the lock function ON
or OFF.
Push
for 1 sec.
• “CALL” and call channel number appear.
Appears while the lock
function is in use.
ePush and hold [16•9] again for 3 sec.
(until a long beep changes to 2 short
beeps) to enter call channel program-
ming condition.
• Call channel number to be programmed
blinks.
rPush [Y]/[Z] to select the desired
channel.
■ 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.
➥ Push and hold [
tion.
•“
” and “
tPush [16•9] to program the displayed
channel as the call channel.
• The call channel number stops blinking.
Push
for 1 sec.
10
] for 1 sec. to activate the monitor func” appear and audio is emitted.
Appears while the
monitor function is
in use.
BASIC OPERATION
■ Adjusting the squelch level
■ Voice scrambler operation
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
adjusted to the proper level.
D Activating the scrambler
qPush [
], then adjust the squelch level with [Y]/[Z].
- “SQL” and the squelch level are displayed.
- 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.
wPush [
Push
] again to return to normal operating mode.
Shows the squelch
level.
Appears during squelch
level adjustment
4
(available with some versions only)
The voice scrambler provides private communications. In
order to receive or send scrambled transmissions, you must
activate the scrambler function first.
4
qSelect an operating channel other than Channel 16, 70 or
weather channels.
wW hile pushing and
] , push
holding [
[SCAN•DUAL].
• “SCRM” appears.
eTo turn the scrambler
function OFF, repeat
step w.
Appears when the voice scrambler
function is in use.
• “SCRM” disappears.
D Programming scramble codes
■ Backlighting function
This function is convenient for nighttime operation. The backlighting can be turned OFF in the SET mode. (p. 19)
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.
➥P
ush any key other than [PTT] to turn the backlighting ON.
• The backlighting is automatically turned OFF after 5 sec. of
inactivity.
11
4
BASIC OPERATION
■ VOX function
NOTE: An optional headset and optional headset adapter
are required for the VOX operation.
The VOX function (voice operated transmission) starts transmitting 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.
➥P
ush 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)
• During scan, dual/tri-watch or on a transmission inhibited channel, the VOX function will not be activated.
■ AquaQuake water draining function
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
muffle the sound coming from the speaker). The IC-M72 emits a
vibrating noise when this function is being used.
➥ Push and hold both [16•9] and [H/L•LOCK].
12
• A low beep tone sounds for 9 sec. to drain water, regardless of
[VOL] control setting.
• 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.
■ Channel naming
The IC-M72 has a capability to assign up to 10-character
channel names or comments for each operating channel, including each weather channel. This provides easy recognition
of channel usage, or station names, etc.
When shipped from the factory, the IC-M72 is programmed
with default names for each VHF marine channel. These defaults 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.
D Available characters
(=)
(�)
(+)
(–)
(,)
(/)
(0)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9) (Space)
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
(L)
(M)
(N)
(O)
(P)
(Q)
(R)
(S)
(T)
(U)
(V)
(W)
(X)
(Y)
(Z)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
(n)
(o)
(p)
(q)
(r)
(s)
(t)
(u)
(v)
(w)
(x)
(y)
(z)
BASIC OPERATION
DChannel name/comment programming
DOpening comment programming
qPush [Y]/[Z] to select a channel to
program.
qW h i l e p u s h i n g a n d h o l d i n g
[SCAN•DUAL], turn power ON.
• Push and hold [CH/WX•U/I/C] for 1 sec.
to select a channel group, if necessary.
wW hile pushing and holding [
push [CH/WX•U/I/C].
],
• “OC” is displayed and the 1st character
of the currently programmed comment
blinks.
4
wPush [Y]/[Z] to select a character.
• The 1st character of the currently programmed name or comment blinks.
ePush [Y]/[Z] to select a character.
eP ush [H/L•LOCK] to move to the
right; then push [Y]/[Z] to select a
character.
rP ush [H/L•LOCK] to move to the
right; then push [Y]/[Z] to select a
character.
4
• Pushing [16•9], moves to left
tC ontinue until the desired characters have been selected, then push
[CH/WX•U/I/C] to return to normal
operation.
• Pushing [16•9], moves to left
rC ontinue 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
5
SCAN OPERATION
■ Scan types
Scanning is an efficient way to quickly locate signals over a
wide frequency range. The transceiver has a priority scan
setting and normal scan setting.
Set the TAG channels (scanned channel) before scanning.
Clear those TAG channels which are not needed or inconveniently 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.
Choose priority or normal scan on the SET mode. (p. 18)
(pgs. 18, 19)
PRIORITY SCAN
NORMAL SCAN
CH 01
WX*
CH 16
CH 05
CH 01
CH 02
CH 03
CH 04
* 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.
14
CH 02
WX*
CH 03
CH 05
CH 04
* Previously selected weather channel
when weather alert function is ON.
Normal scan, like priority scan, searches through all TAG
channels in sequence. However, unlike priority scan,
Channel 16 is not checked unless Channel 16 is set as a
TAG channel.
SCAN OPERATION
5
■ Setting TAG channels
■ 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) independently.
Set the weather alert function, priority scan function, scan
resume timer and auto scan function in advance, using the
SET mode. (pgs. 18, 19)
qSelect the desired channel to set as a TAG channel.
wPush and hold both [Y] and [Z] for 1 sec. to set the displayed channel as a TAG channel.
•“
” appears in the function display.
eTo cancel the TAG channel setting, push and hold both
[Y] and [Z] for 1 sec.
•“
” 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.
qMake 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.
Push
• When the weather alert function is in use, select the desired
weather channel with [CH/WX•U/I/C] and [Y]/[Z].
wPush [SCAN•DUAL] to start priority or normal scan.
• “SCAN” blinks in the function display.
• “16” appears on the comment indicator during priority scan.
• When a signal is received, scan pauses until the signal disappears 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.
eTo stop the scan, push [SCAN•DUAL].
[Example]: Starting a normal scan.
5
• “SCAN” disappears.
• Pushing [PTT], [16•9] or [CH/WX•U/I/C] also stops the scan.
Scan starts
When receiving a
signal, “SCAN” indication blinks and audio
is emitted.
Push
to stop the scan
“SCAN” indication blinks
15
6
DUALWATCH/TRI-WATCH
■ Description
■ Operation
Dualwatch monitors Channel 16 while you are receiving
another channel; tri-watch monitors Channel 16 and the call
channel while receiving another channel.
qSelect the desired operating channel.
wPush [SCAN•DUAL] for 1 sec. to start dualwatch or triwatch (depending on the SET mode setting; p. 19).
DUALWATCH/TRI-WATCH SIMULATION
Call channel
• “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.
eTo cancel dualwatch/tri-watch, push [SCAN•DUAL] again.
[Example]: Operating tri-watch on INT channel 07.
Push
Dualwatch
for 1 sec.
Tri-watch
• If a signal is received on Channel 16, dualwatch/tri-watch
pauses on Channel 16 until the signal disappears.
• I f a signal is received on the call channel during triwatch, tri-watch becomes dualwatch until the signal disappears.
• To transmit on the selected channel during dualwatch/triwatch, push and hold [PTT].
Tri-watch starts.
Signal is received
on the call channel.
A signal receive on
Channel 16 always
takes priority.
16
Tri-watch resumes
after the signal
disappears.
SET MODE
7
■ SET mode programming
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 contrast 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.
D SET mode operation
qTurn power OFF.
wWhile pushing and holding [
the SET mode.
], turn power ON to enter
• “BEEP” (Beep tone function setting) appears.
ePush [ ], or push [ ] and [Y]/[Z] to select the desired item.
rPush [Y]/[Z] to select the desired condition of the item.
tTo exit the SET mode, push [16•9].
6
7
D SET MODE ITEMS
Beep tone*
Weather alert
Scan type
Scan resume timer
Dual/Tri-watch
VOX delay
VOX gain
Voice scrambler
code†
: Push [ ], or while pushing and holding [ ], push [Y]
: While pushing and holding [ ], push [Z]
*Starting item
†
Availability may differ according to versions.
Monitor key
action
Squelch sensitivity
Display
backlight
LCD
contrast
Scroll speed
Channel name scroll type
Auto scan start function
Battery voltage indication
Self-check function
Power save function
17
7
SET MODE
■ SET mode items
D Beep tone 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
D Priority scan function
Normal scan (default)
Beep tone OFF
D Weather alert function
“
”
A NOAA broadcast station transmits a weather alert tone
before 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.
• “ALT” appears when the function is set ON.
Push
18
Weather alert function
OFF (default)
”
Push
Push
Beep tone ON (default)
“
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 channels in sequence while monitoring Channel 16.
Weather alert function
ON
Priority scan
D Scan resume timer
“
”
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.
Push
Scan resume timer
OFF (default)
Scan resume timer
ON
SET MODE
D Auto scan function
“
”
The auto scan function starts the desired scan automatically
when no signal is received, and no operation is performed
for 30 sec.
Push
Auto scan OFF (default)
Auto scan ON
D Dual/Tri-watch function
“
D Monitor key action
] for 1 sec., the squelch opens and
• Pu (PUSH): After pushing [
emits audio. The squelch is held open while continu]. (default)
ously pushing and holding [
] for 1 sec., the squelch opens and
• Ho (HOLD): After pushing [
] is released. To close the
emits audio even [
squelch, push any key.
Push
Hold setting
D Backlight function
Tri-watch
7
”
Push setting (default)
Dualwatch (default)
”
The monitor key action cuts off the squelch function temporarily. This key action contains PUSH (Pu) or HOLD (Ho) settings as shown below.
This item selects dual or tri-watch as desired. See p. 16 for
details.
Push
“
7
“
”
This function is convenient for nighttime operation. The backlight can be selected from ON and OFF.
• 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
7
SET MODE
D LCD contrast selection
“
”
The contrast of the LCD can be selected from Hi (default)
and Lo.
Push
High contrast (default)
“
“
”
The auto power save function reduces current drain by deactivating the receiver circuit for preset intervals.
• ON : The power save function is turned ON. The power save function will activate when no signal is received, and no operation
is performed for 5 sec.
• OFF: The power save function is turned OFF.
Push
Self check OFF
(default)
Self check ON
When any of the bellow error messages appear, see the troubleshooting section of this document for advice. (p. 30)
Push
Power save ON
(default)
Power save OFF
Battery voltage error
20
”
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.)
• Connected battery voltage
• Water intrusion
Low contrast
D Auto power save function
D Self check function
Temperature error
Water intrusion
SET MODE
D Battery voltage indicator
“
”
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.
D Channel name scroll type
“
7
”
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
Voltage indication
OFF (default)
Push
Voltage indication ON
Scroll type 1 (default)
D Squelch sensitivity function
“
”
When this function is turned ON (local), blocking against noise
is improved and the squelch is not easily affected by noise.
Push
Squelch sensitivity
OFF (default)
7
Scroll type 2
D Scrolling speed
“
”
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.
Squelch sensitivity
ON
Push
Scroll speed 1 (default)
Scroll speed 3
21
7
SET MODE
D Voice scrambler code
“
(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.
D VOX delay
“
Push
Push
Scramble code 1
(default)
VOX delay 1.0 (default)
Scramble code 32
D VOX gain
“
”
Adjusts the VOX gain level from 1 (high sensitivity) to 6 (low
sensitivity) when speaking with the optional headset.
Push
VOX gain 3 (default)
22
VOX gain 6
”
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.
VOX delay 3.0
BATTERY CHARGING
8
■ Battery cautions
Misuse of Lithium-ion batteries may result in the following hazards: smoke, fire, or battery rupture.
Misuse can also cause other battery damage or degradation of battery performance.
• 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.
• 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 thirdparty 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 generation, and the battery may rupture, emit smoke or catch
fire.
D Battery caution
• R DANGER! DO NOT hammer or otherwise impact the battery. 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! 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 performance or shorten battery life.
• R DANGER! NEVER incinerate a used battery pack since
internal battery gas may cause a rupture or explosion.
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
instruction manual.
• 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
distributor.
• WARNING! Immediately wash, using clean water, any part
of the body that comes into contact with fluid from inside
the battery.
23
8
BATTERY CHARGING
• 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.
• CAUTION! Always use the battery within the specified temperature 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 battery may exceed that of the transceiver. In such cases, the
transceiver may not work properly because it is out of its
operating temperature range.
• 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
extended period of time. If the battery must be left unused
for a long time, it must be detached from the radio after discharging. You may use the battery until the remaining capacity is about half, then keep it safely in a cool dry place
with the temperature range as below;
–20˚C to +50˚C (–4˚F to +122˚F) (within a month)
–20˚C to +35˚C (–4˚F to +95˚F) (within three months)
–20˚C to +20˚C (–4˚F to +68˚F) (within a year)
24
D Charging caution
• 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 environments, the safety/protection circuit in the battery will
activate, causing the battery to stop charging.
• WARNING! DO NOT charge or leave the battery in the battery 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 rupture.
• WARNING! NEVER insert the battery and transceiver (battery 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 specified 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 performance or battery life may be reduced.
BATTERY CHARGING
8
■ Supplied battery charger
D Charging
D BC-166 installation
• To a desktop
Supplied screws
qConnect the AC adapter as shown below.
wInsert the battery pack with/without the transceiver into
the charger.
• To a wall
Supplied screws
• The charge indicator lights orange.
eCharge the battery pack approx. 11 hours, depending on
the remaining power condition.
q
e
w
• 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 (approx.).
Transceiver
• For added stability
Eyelet:
Use a rubber band to
secure the transceiver,
if desired.
8
Turn the transceiver
power OFF during
charging.
Battery
pack
Charger
indicator
AC adapter
(A different type, or
no AC adapter is
supplied, depending
on the version.)
25
8
BATTERY CHARGING
■ Optional battery chargers
D Rapid charging with the BC-119N+AD-114
D AD-114 installation
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
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).
Turn power OFF
10-pin connector
AC adapter
(Not supplied
with some
versions.)
3-pin connector
Battery pack
Supplied
screws
AD-114 charger
adapter is installed
in BC-119N.
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
Transceiver
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 additionally required.
• Six AD-114 charger adapters
• An AC adapter (BC-157) or the DC power cable (OPC-656)
Turn power OFF
Transceiver
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
9
OPTIONAL SWIVEL BELT CLIP
■ Attachment
qScrew the base clip to the
back of the transceiver
using the two screws (supplied), as shown at right.
■ Detachment
➥Turn the transceiver upside down in the direction of the
Supplied screws
arrow and pull out from the belt clip.
wClip the belt clip over your belt and insert the transceiver.
eOnce the transceiver is locked in place, it swivels.
28
R CAUTION: HOLD THE TRANSCEIVER TIGHTLY
WHEN HANGING OR DETACHING THE TRANSCEIVER
FROM THE BELT CLIP.
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.
OPTIONAL SPEAKER-MICROPHONE
■ HM-125 descriptions
Alligator type clip
To attach the speaker-mic.
to your shirt or collar, etc.
PTT switch
Transmits during push.
Receives during release.
Microphone
Speaker
Turn the transceiver power OFF
when connecting the HM-125.
NEVER immerse the connector in water. If the connector
becomes wet, be sure to dry it BEFORE attaching it to the
transceiver.
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.
10
■ Attachment
Insert the speaker-mic connector onto the [SP MIC] connector and carefully screw it tight, as shown in the diagram
below. Be careful not to cross-thread the connection.
Set the triangle mark
to the front side.
CAUTION: Attach the speakermicrophone’s connector securely
to prevent accidental dropping, or
water intrusion in the connector.
Detaching:
Pull up the cap
in the direction
of the arrow to
detach it.
9
10
Attaching:
Attach the cap
in the direction
of the arrow
completely.
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 connector has become wet.
29
11
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
The transceiver does not • The battery is depleted.
turn ON.
• Bad connection to the battery pack.
• Recharge the battery pack.
No sound
speaker.
• 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.
• Dry [SP MIC] connector.
from
t h e • Squelch level is too tight.
• Volume level is too low.
• Speaker has been exposed to water.
• Water has entered to [SP MIC] connector.
• Check the connection to the transceiver.
Transmitting is impossible, • Some channels are for low power or receive • Change channels.
or high power can not be only.
• The battery is exhausted.
• Recharge the battery pack.
selected.
• The battery is overcharged.
• The output power is set to low.
30
• Verify the battery voltage is correct.
• Push [H/L•LOCK] to select high power.
REF.
pgs.
25–27
p. 3
p. 11
p. 9
p. 12
—
pgs. 8, 9,
31
pgs.
25–27
—
p. 9
The displayed channel • Lock function is activated.
cannot be changed.
• Push [H/L•LOCK] for 1 sec. to cancel the function.
p. 10
Scan does not start.
• “TAG” channels are not programmed.
• Set the desired channels as “TAG” channels.
p. 15
No beeps.
• Beep tones are turned OFF.
• Set the beep tones to ON (Fix Beep/User Beep) in the
SET mode.
p. 18
Self check error.
(Temperature)
• T he temperature is outside of –35°C to • Leave the transceiver at room temperature for a while.
+73°C; –31°F to +163°F (approx.).
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 • Verify the battery voltage is correct.
more than 11 V.
—
Transmitting continuously • Ambient noise is too loud.
while not speaking when
using VOX function.
• Push [ ] and [H/L•LOCK] to deactivate the VOX function.
• Set the VOX gain to lower sensitive value.
“CHARGE” comment
blinks
• Recharge the battery pack.
• The connected battery is depleted.
p. 12
p. 22
pgs.
25–27
12
VHF MARINE CHANNEL LIST
Channel number Frequency (MHz)
Channel number Frequency (MHz)
Channel number Frequency (MHz)
Channel number Frequency (MHz)
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
USA INT CAN Transmit Receive
01
01
01A
156.050 160.650
19A
156.050 156.050
20
20A
02
02
156.100 160.700
03
03
156.150 160.750
03A
156.150 156.150
04A 156.200 156.200
06
05A 156.250 156.250
06
06
23
87A
156.575 156.575
88
157.150 161.750
72
72
72
156.625 156.625
88A
157.150 157.150
73
73
73
156.675 156.675
21b
Rx only 161.650
74
77*
74
74
77*
156.725 156.725
25b
Rx only 161.850
23
08
08
156.400 156.400
27
27
27
157.350 161.950
09
09
09
156.450 156.450
28
28
28
157.400 162.000
10
10
10
156.500 156.500
60
60
156.025 160.625
16
17*
16
16
17*
156.800 156.800
17
18
18A
156.900 161.500
62A 156.125 156.125
63A
156.950 161.550
156.175 156.175
64A
65
65A
65A
64
79A
81A
82A
83
84
65A 156.275 156.275
84A
Rx only 162.000
Rx only 161.775
84
WX channel
Frequency (MHz)
Transmit
Receive
157.025 161.625
1
RX only
162.550
2
RX only
162.400
157.075 161.675
3
RX only
162.475
81A 157.075 157.075
4
RX only
162.425
157.125 161.725
5
RX only
162.450
82A 157.125 157.125
6
RX only
162.500
157.175 161.775
7
RX only
162.525
83A 157.175 157.175
8
RX only
161.650
157.225 161.825
9
RX only
161.775
157.225 157.225
10
RX only
163.275
82
156.275 160.875
28b
83b
80A 157.025 157.025
81
83A
157.425 157.425
156.925 161.525
156.975 161.575
80
64A 156.225 156.225
157.375 157.375
156.875 156.875
79A 156.975 156.975
80A
156.225 160.825
157.325 157.325
78A 156.925 156.925
79
156.175 160.775
63
64
78A
156.125 160.725
62
18A 156.900 156.900
19
61A 156.075 156.075
77
78
156.075 160.675
61
156.850 156.850
157.425 162.025
Rx only 156.525
71
08
156.750 156.750
88
70
71
157.300 161.900
156.700 156.700
88
70
71
157.250 161.850
14
15*
157.375 161.975
70
26
14
15*
87
157.100 161.700
25
14
15*
87
157.275 157.275
22A 157.100 157.100
26
156.650 156.650
157.325 161.925
87
25
13
86
86A
23A
61A
86
156.425 156.425
26
156.600 156.600
86
156.475 156.475
25
156.550 156.550
156.375 156.375
68
156.350 160.950
11
157.275 161.875
69
07A 156.350 156.350
12
13*
85
69
157.200 161.800
11
67
85
68
24
12
67
85
85A
68
24
11
66A 66A* 156.325 156.325
69
24
12
13*
66A
67*
157.050 161.650
21
22
22A
156.325 160.925
66
21A 157.050 157.050
156.300 156.300
07
07A
21
156.250 160.850
05
05A
157.000 157.000
21A
156.200 160.800
04
20
19A 156.950 156.950
20* 157.000 161.600
83
84
11
12
*Lowpoweronly. NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in USA waters.
The programmed channels are differ according to versions.
31
13
SPECIFICATIONS
D GENERAL
D RECEIVER
• Frequency coverage
• Receive system
: TX
156.025–157.425 MHz
RX
156.050–163.275 MHz
• Mode
: 16K0G3E
• Power supply requirement : Specified Icom’s battery pack only
• Current drain (at 7.5 V DC; approx.):
TX High (at 6 W)
1.7 A
TX Mid. (at 3 W)
1.3 A
TX Low (at 1 W)
0.7 A
RX Max. audio
400 mA (internal speaker)
200 mA (external speaker)
• Useable temperature range : –20°C to +60°C; –4°F to +140°F
• Frequency error
: ±10 ppm
• Antenna connector
: SMA (50 ø nominal)
• Dimensions
: 52.5(W) × 125(H) × 30(D) mm
(Projections not included)
21⁄16(W) × 429⁄32(H) × 13⁄16(D) inch
• Weight (with BP-245N)
: Approx. 280 g (9.9 oz)
: Double-conversion superheterodyne
• Sensitivity (12 dB SINAD)
: 0.22 µV typical
• Squelch sensitivity : 0.35 µV typical (at threshold)
• Intermodulation rejection ratio: 70 dB typical
• Spurious response rejection ratio:
70 dB typical
• Adjacent channel selectivity : 70 dB typical
• Audio output power
:
Internal speaker
0.6 W typical at 10% distortion with an
8 ø load
External speaker0.35 W typical at 10% distortion with an
8 ø load
D TRANSMITTER
• Output power (at 7.5 V DC)
• Modulation system
• Max. frequency deviation
• Adjacent channel power
• Spurious emissions
: 6 W* (High), 3 W (Middle)
and 1 W (Low) *5 W for some versions
: Variable reactance frequency modulation
: ±5 kHz
: 70 dB
: –68 dBc typical
All stated specifications are subject to change without notice
or obligation.
32
OPTIONS
14
D BATTERY CASE AND PACK
D DC CABLES
• BP-245N Li-Ion battery pack
The same as supplied with the transceiver.
Voltage : 7.4 V
Capacity: 1900 mAh (minimum)/2000 mAh (typical)
• CP-17L cigarette lighter cable
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.
OPC-515L: For BC-119N
OPC-656 : For BC-121N
D CHARGERS
• BC-119N desktop charger + AD-114 charger adapter
+ BC-145 ac adapter
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
For rapid charging of up to 6 battery packs (six AD-114’s are required) simultaneously. An AC adapter should be purchased separately. Charging time: approx. 3 to 4 hours.
• BC-166 desktop charger + BC-147S ac adapter
Used for regular charging of battery pack. The same as supplied
with the transceiver. Charging time: approx. 11 to 12 hours
D BELT CLIPS
• MB-103 belt clip
The same as supplied with the transceiver.
• MB-86 swivel belt clip
Belt clip for swivel type.
D OTHER OPTIONS
• HM-125 speaker-microphone
Full sized waterproof (IPX7; 1m/30 min.) speaker-microphone. Includes an alligator clip to attach the speaker mic to your shirt, collar,
etc.
• 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.
• FA-S64V flexible antenna
Same as that supplied with the transceiver.
13
14
Icom optional equipment is designed for optimal performance when used with this transceiver. We are not responsible for the transceiver being damaged or any accident
caused when using non-Icom optional equipment.
Available or applicable options may differ according to
countries. Ask your authorized dealer for details.
33
A-6479D-1EX-ta
Printed in Japan
© 2005–2013 Icom Inc.
Printed on recycled paper with soy ink.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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