Icom IC-M710 User Manual
INSTRUCTION MANUAL
HF MARINE TRANSCEIVER
iM710
IMPORTANT
DISPOSAL
READ THIS INSTRUCTION MANUAL CAREFULLY
before attempting to operate the transceiver.
SAVE THIS INSTRUCTION MANUAL—This instruction manual contains important safety and operating
instructions for the IC-M710.
EXPLICIT DEFINITIONS
The explicit definitions described below apply to this
instruction manual.
WORD DEFINITION
RWARNING
CAUTION
NOTE
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.
PRECAUTIONS
The crossed-out wheeled-bin symbol on
your product, literature, or packaging reminds you that in the European Union, all
electrical and electronic products, batteries, and accumulators (rechargeable bat-
teries) must be taken to designated
collection locations at the end of their working life. Do
not dispose of these products as unsorted municipal
waste. Dispose of them according to the laws in your
area.
Icom, Icom Inc. and the Icom logo are registered trademarks of
Icom Incorporated (Japan) in Japan, the United States, the United
Kingdom, Germany, France, Spain, Russia, Australia, New Zealand,
and/or other countries.
RWARNING! NEVER connect the transceiver di-
rectly to an AC outlet. This may pose a fire hazard or
result in an electric shock.
RWARNING! NEVER mount the transceiver over-
head. The weight of the transceiver is approximately
7.8 kg. (17.4 lb), but its apparent weight will increase
several fold due to wave shocks and vibration. The
transceiver must be mounted on a flat hard surface
only.
NEVER connect a power source of more than 16 V
DC, such as a 24 volt battery. This connection will ruin
the transceiver.
NEVER place the transceiver where normal operation of the ship or vehicle may be hindered or where it
could cause bodily injury.
NEVER allow children to play with equipment containing a radio transmitter.
NEVER expose the transceiver to rain, snow or any
liquids.
NEVER install the IC-M710 into a positive-grounding
ship. Such a connection might blow fuses, and is not
usable.
DO NOT use chemical agents such as benzene or alcohol when cleaning, as they can damage the transceiver’s surfaces.
i
In maritime mobile operation, KEEP the transceiver
and microphone as far away as possible (at least 1 m)
from the magnetic navigation compass to prevent erroneous indications.
USE an Icom microphone and/or handset only (supplied or optional). Other brands may have different pin
assignments and may damage the transceiver.
DO NOT use or place the transceiver in areas with
temperatures below –20°C (–4°F) or above +60°C
(+140°F).
DO NOT connect the transceiver to a power source
using reverse polarity. This connection will not only
blow fuses but may also damage the transceiver.
DO NOT place the transceiver in excessively dusty environments, or in direct sunlight.
DO NOT place the transceiver against walls, or putting
anything on top of the transceiver. This will obstruct
heat dissipation.
Icom is not responsible for the destruction, damage to, or
performance of any Icom or non-Icom equipment, if the
malfunction is because of:
• Force majeure, including, but not limited to, fires,
earthquakes, storms, floods, lightning, other natural
disasters, disturbances, riots, war, or radioactive
contamination.
• The use of Icom transceivers with any equipment that is
not manufactured or approved by Icom.
TABLE OF CONTENTS
IMPORTANT ······························································i
PRECAUTIONS ·························································i
EXPLICIT DEFINITIONS ············································ i
DISPOSAL ·································································i
TABLE OF CONTENTS ············································ ii
1 OPERATING RULES AND GUIDELINES ·············1
2 PANEL DESCRIPTION ······································ 2–5
■ Front panel ··························································2
■ Display ································································5
3 SELECTING A CHANNEL/FREQUENCY ·········6–8
■ Selecting a channel ············································· 6
D Using the channel selector ······························ 6
D Using the keypad ············································ 7
D Using scan function ········································· 7
■ Selecting a frequency ·········································· 8
D Using the channel selector ······························ 8
D Using the keypad ············································ 8
4 RECEIVE AND TRANSMIT ·····························9–11
■ Basic voice receive and transmit ·························9
■ Functions for transmit ·········································· 9
D Transmit frequency check ······························· 9
D Transmit power selection ································ 9
■ Functions for receive ········································· 10
D Squelch function ··········································· 10
D Noise blanker ················································ 10
D AGC OFF function ········································ 10
D RF gain setting ·············································· 10
D Clarity control ················································ 10
■ CW operation (Depends on versions) ···············11
■ FSK operation (Depends on versions) ··············11
5 USER CHANNEL PROGRAMMING ···················· 12
■ Programming a frequency ·································12
D Receive Frequency ······································· 12
D Transmit frequency ······································· 12
D Channel name ··············································· 12
6 SET MODE ····················································· 13–15
■ Set mode operation ···········································13
■ Set mode contents ············································13
7 CONNECTIONS AND INSTALLATION ········· 16–22
■ Connections on the rear panel ··························16
■ Unpacking ·························································16
■ Connector information ·······································17
■ Ground connection ············································19
■ Power source ····················································19
■ Antenna ····························································· 20
D MN-100/MN-100L ANTENNA MATCHERS 20
D AT-130 AUTOMATIC ANTENNA TUNER·····20
D Non-Icom tuner ············································· 20
■ Mounting ···························································21
D Mounting location ·········································· 21
D Mounting example ········································· 21
D Transceiver dimensions ································ 21
■ Disassembling the transceiver ··························22
D Opening the case ·········································· 22
■ Fuse replacement ·············································22
D DC power cable fuse ·····································22
D Circuitry fuse ················································· 22
8 TROUBLESHOOTING ········································· 23
9 SPECIFICATIONS AND OPTIONS ·····················24
■ Specifications ····················································24
D GENERAL ····················································· 24
D TRANSMITTER ············································ 24
D RECEIVER ···················································· 24
■ Options ······························································ 24
ii
1
OPERATING RULES AND GUIDELINES
❑ CALL PROCEDURES
Calls must be properly identified and time limits must
be respected.
q Give your call sign each time you call another ves-
sel or coast station. If you have no call sign, identify
your vessel name and the name of the licensee.
w Give your call sign at the end of each transmission
that lasts more than 3 minutes.
e You must break and give your call sign at least once
every 15 minutes. during long ship-to-shore calls.
r Keep your unanswered calls short, less than 30
seconds.
Do not repeat a call for 2 minutes.
t Unnecessary transmissions are not allowed.
❑ PRIORITIES
q Read all rules and regulations pertaining to priori-
ties and keep an up-to-date copy handy. Safety and
distress calls take priority over all others.
w False or fraudulent distress calls are prohibited and
punishable by law.
❑ PRIVACY
q Information overheard but not intended for you can-
not be lawfully used in any way.
w Indecent or profane language is prohibited.
❑ LOGS
q All distress, emergency and safety calls must be re-
corded in complete detail. Log data activity is usually recorded in 24 hour time. Universal Time (UTC)
is frequently used.
w Adjustments, repairs, channel frequency changes
and authorized modifications affecting electrical
operation of the equipment must be kept in the
maintenance log; entries must be signed by the authorized licensed technician performing or supervising the work.
❑ RADIO LICENSES
(1) SHIP STATION LICENSE
You must have a current radio station license before
using the transceiver. It is unlawful to operate a ship
station which is not licensed.
Inquire through your dealer or the appropriate government agency for a Ship-Radiotelephone license application. This government-issued license states the call
sign which is your craft’s identification for radio purposes.
(2) OPERATOR’S LICENSE
A Restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators
when a radio is not required for safety purposes.
The Restricted Radiotelephone Operator Permit must
be posted or 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,
and ends the call, and makes the necessary log entries.
Keep a copy of the current government rules and regulations handy.
1
■ Front panel
MICROPHONE
POWER
VOLUME
TX FREQ
2182KHz
RESET
MODE
TUNE
SSB RADIO TELEPHONE
AGC SQL
CLARITY
NB
SPEAKER
[ALARM] [TX FREQ]+
FOR ALARM TX
DIMMER
GROUP CHANNEL
123
456
789
CE
RX TX
0
CH/F/REQ
iM 710
FUNC
–
q
w
er
t
y
u
i
!0
o
This function is not installed
in the IC-M710.
PANEL DESCRIPTION
2
q MICROPHONE CONNECTOR (p. 17)
Accepts the supplied microphone or an optional
handset.
NOTE: No audio is output to the speaker when
the microphone or handset is not connected.
w POWER SWITCH [POWER]
Turns power ON or OFF.
e SPEAKER SWITCH [SPEAKER]
Turns the speaker ON or OFF.
• “è” appears in the display while the speaker is turned
OFF.
• Any external speaker connected to the rear panel is
not turned OFF.
r DISPLAY INTENSITY SWITCH [DIMMER]
➥ Turns the display backlighting ON or OFF.
➥
Push [FUNC], and then rotate the channel selector
dial to set the intensity level while pushing and hold
ing
t VOLUME CONTROL [VOLUME]
Adjusts the audio output level.
• No sound is output to the speaker when:
- A microphone is not connected.
- The [SPEAKER] switch is turned ON.
- The [SQL] switch is turned ON and no signal is being
received.
y GROUP CHANNEL SELECTOR [GROUP]
Selects groups in 20 channels steps and ITU ma-
rine channel groups.
[DIMMER].
u ANTENNA TUNE SWITCH [TUNE] (p. 9)
Tunes the external tuner to the antenna.
• Activates only when an optional antenna tuner such as
Icom’s AT-130 is connected.
NOTE: When selecting “Automatic tuning” in the
set mode, pushing this switch is not necessary
to tune the antenna. (p. 13)
i CHANNEL SELECTOR [CHANNEL] (p. 6)
➥ Selects an operating channel within the selected
channel group.
• User channels can be selected from 1 to 160 (max.)
in sequence regardless of the channel group.
➥ Changes the operating frequency after [CE] is
pushed (while “►”appears).
• The changed frequency is not programmed in this
way.
o FUNCTION SWITCH [FUNC]
-
After pushing activates the secondary functions of
these switches:
- [SQL] ········ Starts and stops scan (p. 7).
- [RX]··········· Sets RF gain (p. 10).
- [TX] ··········· Selects transmit power (p. 9).
- [CE]···········
NOTE:
!0 CLARITY CONTROL [CLARITY] (p. 10)
Shifts the receive frequency ±150 Hz for clear re-
ception of an off frequency signal.
Reprograms the channel name (p. 12).
Function availability depends on vesions.
NOTE: Some versions have no ITU channels.
2
2
CE
RX
TX
−
CH/FREQ
1
0
to
PANEL DESCRIPTION
■ Front panel (Continued)
in the IC-M710.
!2!3!4!5!6!7This function is not installed
MICROPHONE
!1 KEYPAD
• Enters the selected channel number (or frequency) for direct channel selection. (p. 7)
• Stores a receive frequency into a user channel or ITU simplex channel when:
- pushing [CE] (“►” appears)
- entering the desired frequency via the key-
pad
- pushing and holding [RX] (p. 12)
• Adjusts the RF gain after pushing [FUNC] to
reduce the receiver sensivity. (p. 10)
• Stores a transmit frequency into a user channel (except General version) when:
- pushing [TX] (“$” blinks)
- pushing [CE] (“►” appears)
- entering the desired frequency via the key-
pad
- pushing and holding [TX] (p. 12)
• Selects the transmit output power after pushing [FUNC]. (p. 9)
POWER
iM 710
SPEAKER
DIMMER
TX FREQ
2182KHz
RESET
[ALARM] [TX FREQ]+
FOR ALARM TX
VOLUME
SSB RADIO TELEPHONE
MODE
GROUP CHANNEL
AGC SQL
NB
TUNE
• Toggles the channel number input or frequency input. (p. 8)
- “►” appears when frequency input is se-
lected.
- The channel selector and keypad changes
the frequency while “►” appears.
• Clears the entered digit and retrieves the previous channel (or frequency) while entering
numbers. (p. 7)
• Enters the name programming condition after
pushing [FUNC] for changing the channel
name. (p. 12)
• Toggles the channel or frequency indications.
(p. 6)
• Enters “–” for ITU simplex channels. (p. 7)
• Enter channel number with up to 4 or 5 digits
when “►” does not appear. (p. 7)
• Enter the frequency with up to 6 digits when
“►” appears. (p. 8)
FUNC
123
456
789
CE
0
RX TX
CLARITY
–
!1
CH/F/REQ
3
PANEL DESCRIPTION
2
!2 SQUELCH SWITCH [SQL] (p. 10)
➥ Activates the voice squelch function to reject
undesired background noise while no signal is
being received.
• The squelch opens only when the received
signal contains voice or FSK components.
➥ Starts and stops the scan function after pushing
[FUNC]. (p. 7)
!3 NOISE BLANKER SWITCH [NB] (p. 10)
Turns the noise blanker function ON to remove
pulse-type noise such as engine ignition noise.
• “NB” appears when the function is turned ON.
!4 AGC OFF SWITCH [AGC] (p. 10)
Deactivates the AGC function to receive weak sig-
nals blocked by strong adjacent signals.
• “ê” appears when the [AGC] switch is turned
ON (stands for AGC deactivated).
!5 MODE SWITCH [MODE]
Temporarily selects an operating mode. Available
modes differ with the transceiver version.
• J3E (USB), H3E, J2B (AFSK), FSK, R3E, and
A1A (CW) modes are available.
• The temporary mode is cleared and the previous
mode appears when changing a channel.
!6 TRANSMIT FREQUENCY SWITCH [TX FREQ]
(p. 9)
Displays the transmit frequency and opens the
squelch to check and monitor the transmit frequency.
!7 2182 kHz SELECTION SWITCH
[2182KHz •
➥ Selects channel 0 (2182 kHz; distress call fre-
quency).
• The channel selector does not function when
selecting channel 0.
➥ Ignores external control and gives the front
panel control priority when an external controller (NMEA format) is connected.
reset
] (p. 6)
4
2
TUNE
DUP SIMP
TX
RX
SCAN
SQL NB
AGC
AGC
ALM
O
►
►
4
q
w
e
rt yu
o
!0
!1!2!3!4
i
!5
0
321
A
PANEL DESCRIPTION
■ Display
q RECEIVE INDICATOR
Appears while receiving and when the squelch is
open.
w TUNE INDICATOR (p. 9)
Flashes while the connected antenna tuner, such
as Icom’s AT-130, is being tuned.
• Tuning starts when transmitting on a new frequency or
pushing the [TUNE] switch.
e TRANSMIT INDICATOR
➥ Appears when transmitting.
➥ Blinks when the [TX] key is pushed for transmit fre-
quency programming. (p. 12)
r S/RF METER
➥ Shows the relative received signal strength
while receiving.
➥ Shows output power while transmitting.
t CHANNEL NAME READOUT
➥ Shows the pre-programmed channel name (al-
phanumeric) during channel indication. (p. 6)
➥ Shows the transmit frequency during frequency
indication. (p. 6)
y SQUELCH INDICATOR (p. 10)
Appears when the squelch is ON.
i FUNCTION INDICATOR
Appears when the [FUNC] switch is pushed.
• Some switches activate secondary functions.
o NOISE BLANKER INDICATOR (p. 10)
Appears when the [NB] switch is turned ON.
!0 AGC OFF INDICATOR (p. 10)
Appears when the [AGC] switch is pushed to indi-
cate the AGC function is deactivated.
!1 MODE READOUT
Shows the selected operating mode (type of emis-
sion).
!2 SPEAKER OFF INDICATOR
Appears when the [SPEAKER] switch is pushed to
indicate the front panel speaker is deactivated.
!3 CHANNEL READOUT
➥ Shows the selected channel number during
channel indication. (p. 6)
➥ Shows the receive frequency during frequency
indication. (p. 6)
!4 SIMPLEX/DUPLEX INDICATORS
These appear to show whether the selected chan-
nel is simplex or duplex.
u SCAN INDICATOR (p. 7)
Appears when the scan function is in use.
• Pushing [SCAN] starts and stops the scan.
!5 FREQUENCY INDICATORS (p. 8)
Appears when the frequency entry condition is se-
lected for frequency selection.
• The [CE] key toggles the indicator ON or OFF.
5
ITU FSK channels can be hidden using set mode. (p. 13)
SELECTING A CHANNEL/FREQUENCY
■ Selecting a channel
3
The transceiver has 160 user channels and ITU
channels. However, the number of user channels
can be optionally restricted and ITU channels are
not available with some versions.
CHANNEL INDICATION
CH/F/REQ
FREQUENCY INDICATION
RX
RX
DUP
DUP
CHANNEL SELECTION MODE
Channel can be selected
NOTE: Channel name (alphanumeric) does not appear during
channel indication according to set mode settings (p. 14).
D Using the channel selector
[EXAMPLE]: Selection of the [GROUP] selector
The transceiver has two large controls for group selection and channel selection. The [GROUP] selector changes channels in 20 channel increments and
selects ITU channel groups*; and the [CHANNEL]
selector selects each channel.
q Be sure no “►” indicator appears on the display.
RX
►
If appears, push [CE] and then it will disappear.
DUP
w Rotate the [GROUP] selector to select the de-
sired channel group as shown at right and/or
below.
e Rotate the [CHANNEL] selector to select the de-
sired channel.
NOTE:
lected with the
lection is
When Channel 0 and/or
[2182KHz]
NOT
possible. In such a case, push
switch, channel se-
2182 kHz
is se-
[2182KHz] in advance.
RX
CE
RX
FREQUENCY SELECTION MODE
Frequency can be selected
1
WWV
21
KMI
41
WOM
61
WOO
121
FAX
141
SHP/SHP
*AII ITU channels are not available with some versions and
J3E
J3E
J3E
J3E
•
•
•
•
J3E
J3E
DUP
►
►
DUP
401
4.357.0
4 – 1
4A LTD
601
6.501.0
2501
26.145.0
25 – 1
4001
4.210.5
J3E
J3E
J3E
•
•
•
•
J3E
J3E
J3E
ITU SSB channels*
ITU FSK
channels*
CHANNEL GROUP
CHANNEL NO. DESCRIPTION CHANNEL NO. DESCRIPTION CHANNEL NO. DESCRIPTION
User channels
1 to 160
401 to 427
4 -1 to 4 - 9
601 to 608
6 - 1 to 6 - 9
801 to 832
([GROUP] selec-
tor changes in 20
channels steps)
4 MHz ITU duplex
channels
4 MHz ITU simplex
channels
6 MHz ITU duplex
channels
6 MHz ITU simplex
channels
8 MHz ITU duplex
channels
8 - 1 to 8 - 9
1201 to 1241
12 - 1 to 12 - 9
1601 to 1656
16 - 1 to 16 - 9
1801 to 1815
18 - 1 to 19 - 1
8 MHz ITU simplex
channel
12 MHz ITU duplex
channel
12 MHz ITU simplex
channels
16 MHz ITU duplex
channels
16 MHz ITU simplex
channel
18 MHz ITU duplex
channel
18 MHz ITU simplex
channels
2201 to 2253 22 MHz ITU duplex channels
22 - 1 to 22 - 9 22 MHz ITU simplex channels
2501 to 2253 25 MHz ITU duplex channels
25 - 1 to 25 - 9 25 MHz ITU simplex channel
4001 to 25040
ITU FSK duplex channels (SITOR use)
(No group separation)
6
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