Icom IC-M710 User manual

0
I COM
INSTRUCTION MANUAL
HF MARINE TRANSCEIVER
IC-M710
lcom Inc.

IMPORTANT
READ THIS INSTRUCTION MANUAL
CAREFULLY before attempting to operate the
transceiver.
SAVE THIS INSTRUCTION MANUAL- This
instruction manual contains important safety and oper-
ating instructions fro the IC-M71
0.
NOTE: To meet the European GMDSS regulations
(ETS300 338, ETS300 373), the following must
be
connected to the IC-M71OGMDSS version:
• GM-11 0 DSC TERMINAL UNIT
• PS-65 (or 66) Dc-Dc coNvERTER UNIT
• AT-130E AUTOMATIC ANTENNA TUNER
PRECAUTIONS
Lt WARNING! NEVER connect the transceiver
to
an AC outlet directly. This may pose a fire hazard
or result
in an electric shock.
Lt WARNING! NEVER mount the transceiver
overhead. The weight of the transceiver is approxi-
mately 8 kg, but its apparent weight will increase
several fold due to wave shocks or 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 V battery. This connection will ruin
the transceiver.
NEVER place the transceiver where normal opera-
tion of the ship or vehicle may
be hindered orwhere it
could cause bodily injury.
NEVER allow children to touch the transceiver.
NEVER expose the transceiver to rain, snow or any
liquids.
There are two types of grounding systems available
for the IC-M71 0 - Negative Ground and Floating
Ground - NEVER install the negative ground type
to a plus-grounding ship. Such a connection might
blow fuses and is not usable.
EXPLICIT DEFINITIONS
The explicit definitions described below apply to this
instruction manual.
WORD DEFINITION
Lt. WARNING
Personal injury, fire hazard or electric
shock may occur.
CAUTION
Equipment damage may occur.
If disregarded, inconvenience only.
No
NOTE
risk of personal injury, fire or electric
shock .
NOTE: The IC-M710 GMDSS version has a high-sta-
bility crystal oscillator unit. This unit draws a slight cur-
rent even when power to the transceiver is
OFF. To
prevent battery exhaustion when docking your vessel
for extended periods, unplug the DC cable from the DC
power receptacle.
DO NOT use chemical agents such as benzene or
alcohol when cleaning, as they can damage the
transceiver surfaces.
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 lcom microphone and/or handset only
(supplied or optional). Other brands may have differ-
ent pin assignments and may damage the trans-
ceiver.
AVOID using or placing the transceiver in areas with
temperatures below
-20 oc ( -4 •F) or above +60 °C
(+140.F).
AVOID connecting the transceiver to a power source
using reverse polarity. This connection will not only
blow fuses but may also damage the transceiver.
AVOID placing the transceiver in excessively dusty
environments
or in direct sunlight.
AVOID placing the transceiver against walls or putt-
ing anything on top of the transceiver. This will
obstruct heat dissipation.

IN CASE OF EMERGENCY (for maritime operation)
If your vessel requires assistance, contact other
vessels and the Coast Guard by sending a distress
call on 2182 kHz.
()USING 2182kHz WITH VOICE
CD Push [2182kHz] to select the emergency fre-
quency.
® Push [ALARM) and [TX FREQ) for 1 sec. to trans-
mit a two-tone alarm signal for at least
30 sec.
• The transceiver automatically stops the alarm after
50 sec.
@ Push [ALARM) to turn OFF the alarm trans-
mission, then push and hold the
PIT switch on
the microphone and send the following infor-
mation.
1. "MAYDAY, MAYDAY, MAYDAY."
2. "THIS IS ..................." (name of vessel)
3. "LOCATED
AT ........." (Vessel's position)
4. Give the reason for the distress call.
5. Explain what assistance you need.
6. Give additional information:
• Vessel type
• Vessel length
• Vessel color
• Number of people onboard.
VERSIONS
The following versions are available for the IC-M71 0.
Or, transmit your distress call using digital selective
calling on 2187.5 kHz
0 USING DIGITAL SELECTIVE CALLING
(Only for GMDSS versions with an optional
GM-11 ODSC DSC TERMINAL UNIT)
When immediate help is needed
CD Push and hold [EMERGENCY] on the
GM-110DSC for 5 sec., until the short
beeps become one long beep, to send the
distress call.
@ After 2182 kHz is automatically selected,
transmit the appropriate information as at
left using voice.
When a potentialproblem exists
CD Push [SEL] on the GM-11 ODSC, then select
"All ships call" with [ENl] and DATA SELECTOR.
@ Push and hold [CALL] on the GM-11 ODSC
for 5 sec., until short beeps become one
long beep, to use the "all ships call" func-
tion.
® After the pre-selected frequency is selected,
transmit the appropriate information using
voice.
• DSC equipped ships may monitor your transmission.
Version Ground type Descriptions
Negative ground
Corrosion-resistant exterior.
GMDSS
and
High stability crystal and FSK narrow filter built-in.
Floating ground
Optional DSC terminal unit can be connected.
2182 kHz 2-tone alarm is built-in.
Negative ground
2182 kHz 2-tone alarm is built-in.
Marine
and FSKJCW narrow filter is optional.
Floating ground
All SSB/FSK ITU channels available.
Negative ground
2182 kHz 2-tone alarm is optional.
General
No transmit frequency programming allowed.
only
ITU channels are optional.
ii

iii
TABLE OF CONTENTS
IMPORTANT·················································· i
EXPLICIT DEFINITIONS ··································· i
PRECAUTIONS ·············································· i
IN CASE OF EMERGENCY ······························ ii
VERSIONS ··················································· ii
TABLE OF CONTENTS ·································· iii
1 OPERATING RULES AND GUIDELINES ········ 1
2 PANEL DESCRIPTION ··························· 2 - 4
• Front panel ············································· 2
• Display·················································· 4
3 SELECTING A CHANNEL ······················· 5 - 7
• Selecting a channel··································· 5
<)Using the channel selector ·················•········ 5
<)Using the keypad ··
···· · ·· ····· ···· · ·· ·· · ·· ····· ···· · ·· .....· 6
<)Using scan functions ·········
·· ·· · ···· · ·· ····· ···· · ···· ···· 6
• Selecting a frequency································ 7
<)Using the channel selector ·························· 7
<)Using the keypad ···································· 7
4 RECEIVE AND TRANSMIT ···················· 8-10
• Basic voice receive and transmit ·················· 8
• Functions for transmit ································ 8
<)Transmit frequency check ······ ·· ························ 8
<)Transmit power selection ··
·· ··· ···· ····· ·· ··········· ·· ·· 8
• Functions for receive································· 9
<)Squelch function ··············· ·· ·· · ···· ········ ·· ·· · ···· ···· 9
<)Noise blanker ....·............................ ·· .............· 9
<) AGC off function ........·........................· .. ···· .. ··· 9
<) RF gain setting ..........·.......·............................ 9
<)Clarity control ........·............................·........... 9
• CW operation ········· ...... ········· .. ·············· 10
• FSK operation ·····..·········..····..··········..··· 10
• Cross channel operation ..·········..·······..···· 10
5 USER CHANNEL PROGRAMMING ..···· .. ····.. 11
• Programming a frequency ..···..···..····· .. ····· 11
<)Receive frequency .. ·....·..·........·.................... 11
<)Transmit frequency · .. ····· .. ·····........................ 11
<)Channel name ·······......·......·........................· 11
6 SET MODE ..················..··..··....·········· 12 -14
• Set mode operation..···..·..·..· ...... ·· .......... · 12
• Set mode contents..····.... ······.... ........ .. .... 12
7 CONNECTIONS AND INSTALLATION .... 15-21
• Connections on rear panel·.. ···· ..···..··· ...... · 15
• Unpacking ························..··········..······ 15
• Connector information ······ .... ····..·..·· .. ··.... 16
• Ground connection ············..····..·..· ........ · 18
• Power source ······················· .......... ·...... 18
• Antenna ·····································..········ 19
<)MN-100/MN-100L .................................. 19
<)AT-130/AT-130E ................................... 19
<) Non-lcom tuner ·...........................·..............· 19
• Mounting ··················..·························· 20
<)Mounting location ·......................·....·............· 20
<)Mounting example ································· 20
<)Transceiver dimensions · .. ··...............·......·....· 20
• Installing options · .. ······· .. ······..··· ............ · 21
<)Opening the case ············..·..·· ............ ·.. 21
<)Installing an optional filter and alarm unit .......... 21
• Fuse replacement .............. · .................... 21
8 TROUBLESHOOTING ··....······..·..··....·......· 22
9 SPECIFICATIONS AND OPTIONS ···············
23
• Specifications ········································ 23
<)General ····..········································ 23
<)Transmitter ·......·....·......·......·......................· 23
<)Receiver ············································· 23
• Options ················································ 23

OPERATING RULES AND GUIDELINES 1
~ Before transmitting, monitor the channel you wish
~ to use so as to avoid interrupting transmissions
~ already in progress.
• CALL PROCEDURES
Calls must be properly identified and time limit must
be respected.
Q) Give your call sign each time you call another
vessel or coast station. If you have no call sign,
identify the station by giving your vessel name
and the name of the licensee.
(2:) Give your call sign at the end of each trans-
mission that lasts more than 3 min.
@ You must break and give your call sign at least
once every 15 min. during long ship-to-shore
calls.
@ Keep your unanswered calls short, less than 30
sec. Do not repeat a call for 2 min.
@ Unnecessary transmissions are not allowed.
• PRIORITIES
Q) 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.
(2:) False or fraudulent distress signals are prohibited
and punishable by law.
• PRIVACY
Q) Information overheard but not intended for you
cannot lawfully
be used in any way.
(2:) Indecent or profane language is prohibited.
• LOGS
Q) All distress, emergency and safety calls must be
recorded in complete detail. Log data activity is
usually recorded in 24 hour time. Universal Time
(UTC) is frequently used.
® 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 su-
pervising 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 gov-
ernment 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 opera-
tors when a radio is not required for safety purposes.
The Restricted Radiotelephone Operator Permit must
be posted or kept with the operator. Only a licensed
radio operator may operate a transceiver.
However, non-licensed individuals may talk over a
transceiver if a licensed operator starts, supervises,
and ends the call, and makes the necessary
log
entries.
Keep a copy of the current government rules and
regulations handy.

2
2 PANEL DESCRIPTION
• Front panel
41> ~ 4li
r ~?c;;O;;M~~~Ic;;-M;;71;;c
1
~ j;
~~~~~
~~~~~
=========I=> ALARMTXFOR
=========I=>[ALARM)+[TXFREOI
GMDSS
MICROPHONE
SPEAKER
POWER~
0 C::J DIMMER
[
MODE
~
GROU
~ Q)l
'~=1=,=:_= _= _= .,-=== -- ======
o o e e 0
0 MICROPHONE CONNECTOR (p. 16}
Accepts the supplied microphone or an optional
handset.
~ NOTE: No audio is output via the speaker when mi-
~ crophone or headset is not connected.
f) POWER SWITCH
Turns power ON and OFF.
8 SPEAKER OFF SWITCH
Turns the speaker ON and OFF.
-" !J~ "appears on the display while the speaker is
turned
OFF.
-Any external speaker connected to the rear panel is not
turned
OFF.
0 DISPLAY INTENSITY SWITCH [DIMMER]
• Dims the display backlight.
• Push [FUNC], then select intensity level via the
channel selector dial while pushing [DIMMER].
(GMDSS version only)
0 VOLUME CONTROL
Adjusts the audio output level.
-Audio does not come from the speaker when:
• A microphone is not connected.
• The [SPEAKER] switch is turned ON.
• The [SOL] switch
is turned ON and no signal is being
received.
0 GROUP CHANNEL SELECTOR
Selects groups in 20 channels steps and ITU ma-
rine channel groups.
~ NOTE: Some versions have no ITU channels.
MF/1
F MARINE TR
'""'
,NSCEIVER
1 2 3
~
©©©
4 5 6
©©©
7 8 9
©©©
CE 0 -
AGC NB SOL I
FUNC I
©©©
Q )Q )Q ~
CHfFAEO
D RX TX
0
f)
fl) 4!) ~
f) ANTENNA TUNE SWITCH (p. 8}
Tunes the connected tuner to the antenna.
-Activates only when an optional antenna tuner such as
lcom's AT-130/E is connected.
~ NOTE: When selecting "Automatic tuning" in set
~ mode, this [TUNE] switch is not necessary.
~ Confirm your set condition. (p. 12)
0 CHANNEL SELECTOR (p. 5)
• Selects an operating channel within the selected
channel group such as ITU channels.
-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.
0 FUNCTION SWITCH [FUNC]
After pushing, activates the secondary functions of
these switches:
-[RESET] .... Deactivates external control such as
from a DSC terminal unit when con-
nected.
-[SOL]
....... Starts and stops scan (p. 6).
-[RX]
........ Sets RF gain (p. 9).
-[TX] ........ Selects transmit power (p. 8).
-[CE] ........ Reprograms the channel name (p. 11)
~ NOTE: Function availability depends on ver-
~ sions.
~ CLARITY CONTROL (p. 9}
Shifts the receive frequency ± 150 Hz for clear re-
ception of
an off frequency signal.

eKEYPAD
AX • Enters the selected channel number (or fre-
C 'V quency*) for direct channel selection.
(p. 6)
• Stores a receive frequency into a user chan-
nel or ITU simplex channel when:
-pushing [CE] (" ... "appears)
-entering the desired frequency via the keypad
-pushing and holding [RX]
(p. 9)
• Adjusts the RF gain after pushing [FUNC] to
reduce the receiver sensivity.
(p. 9)
rx • Stores a transmit frequency into a user
c::J channel (except General versions) when:
-pushing [TX] ("lEI "blinks)
-pushing [CE] (" ... "appears)
-entering the desired frequency via the keypad
-pushing and holding [TX]
(p. 11)
• Selects the transmitter channel for cross
channel operation (Europe versions only)
when:
-pushing [TX] ("lEI" blinks)
-entering the desired channel number via the
keypad
-pushing [TX]
(p. 1 0)
• Selects the transmit output power after
pushing [FUNC]. (p. 8)
cE • Toggles the channel number input and fre-
C --) quency input*. (p. 7)
- ..... n 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 en-
tering numbers. (p. 6)
• Enters the name programming condition,
after pushing [FUNC], for changing the
channel name. (p.
11)
C- J • ~oggles the channel and frequency indica-
cHiFREO tlons. (p. 5)
~
"-==./
to
0
C)
• Enters " - " for ITU simplex channels. (p. 6)
• Enter channel number with up to 4 or 5 digits
when ....." does not appear.
(p. 6)
• Enter the frequency with up to 6 digits* when
" ... " appears. (p. 7)
48 SQUELCH SWITCH [SQL) (p. 9)
• Activates the voice squelch function to reject un-
desired background noise while no signal is being
received.
PANEL DESCRIPTION 2
-The squelch opens only when the received signal con-
tains voice or FSK components.
• Starts and stops the scan function after pushing
[FUNC]. (p. 6)
8 NOISE BLANKER SWITCH [NB] (p. 9)
Turns the noise blanker function ON to remove
pulse-type noise such as engine ignition noise.
-"NB" appears when the function is turned ON.
41 AGC OFF SWITCH [AGC) (p. 9)
Deactivates the AGC function to receive weak sig-
nals blocked by strong adjacent signals.
-" )G( "appears when the [AGC] switch is turned ON
(stands for AGC deactivated)
41 MODE SWITCH (p. 8)
Selects an operating mode temporarily. Available
modes differ according to 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.
4D OVEN INDICATOR (GMDSS version only)
Internal high-stability crystal oscillator unit contains
a temperature-compensating oven heater. This
high-stability crystal oscillator improves frequency
stability.
41 TRANSMIT FREQUENCY SWITCH [TX FREQ] (p. 8)
Displays the transmit frequency and opens the
squelch to check and monitor the transmit fre-
quency.
48 2182kHz SELECTION SWITCH
[2182KHz • IRESETI](pgs. ii, 5)
• Selects channel 0 (2182kHz; distress call fre-
quency).
-The channel selector does not function when se-
lecting channel 0.
-Ignores external control and gives the front panel
control priority when
an external controller (NMEA
format) is connected (except DSC terminal unit).
G) ALARM SWITCH (p. ii)
• Emits a distress alarm signal from the speaker.
• Transmits a distress alarm or alarm testing signal
when pushed together with the [TX FREQ] switch.
~ NOTE: General versions are not equipped with
~this [ALARM] switch.
*Some versions do not have frequency selection and frequency indication. 3

4
2 PANEL DESCRIPTION
0 ALARM INDICATOR (p. ii)
Appears when the alarm function is activated
such for
an alarm test or distress alarm trans-
mission.
-Not available
on General version.
8 RECEIVE INDICATOR (p. 9)
Appears while receiving and when the squelch is
open.
@) TUNE INDICATOR (p. 8)
Blinks while the connected antenna tuner, such as
learn's AT-130/E, is being tuned.
-Tuning starts
when transmitting on a new frequency
or pushing the [TUNE] switch.
0 TRANSMIT INDICATOR
• Appears while transmitting. (p. 8)
• Blinks when the [TX] key is pushed for transmit
frequency programming. (p. 11)
0 DSC INDICATOR (p. ii)
Appears when an optional GM-11ODSC DSC TER-
MINAL UNIT controls transceiver functions.
-The GM-110DSC can be connected to GMDSS
versions only.
0 S/RFMETER
• Shows the relative received signal strength
while receiving.
• Shows output power while transmitting.
• Shows antenna current level when an optional
AT-130E HF ANTENNA TUNER is connected
(Europe versions only).
0 CHANNELNAMEREADOUT
• Shows the pre-programmed channel name
(alphanumeric) during channel indication. (p.
5)
-Some versions have no channel name function and
show receive frequency instead.
• Shows the transmit frequency during frequency
indication. (p. 5)
• Shows transmit channel number during cross
channel operation (Europe versions only). (p. 10)
«3 SQUELCH INDICATOR (p. 9)
Appears when the squelch is ON.
0 SCAN INDICATOR (p. 6)
Appears when
the scan function is in use.
-The
scan function is not available on some versions.
-Pushing [FUNC] then [SOL] starts
and stops scan.
~ FUNCTION INDICATOR
Appears when the [FUNC] switch is pushed.
-Some switches activate secondary functions.
G) NOISE BLANKER INDICATOR (p. 9)
Appears when the [NB] switch is turned ON.
~ AGC OFF INDICATOR (p. 9)
Appears when the [AGC] switch is pushed to
indicate
the AGC function is deactivated.
Q) MODE READOUT (p. 8)
Shows the selected operating mode (type of emis-
sion).
(D SPEAKER OFF INDICATOR
Appears when the [SPEAKER] switch is pushed
to indicate the front panel speaker is deactivated.
~ CHANNELREADOUT
• Shows the selected channel number during
channel indication. (p. 5)
• Shows the receive frequency during frequency
indication. (p. 5)
~SIMPLEX/DUPLEX INDICATORS
These appear to show whether the selected chan-
nel is simplex or duplex.
(fj FREQUENCY INDICATORS (p. 7)
Appear when the frequency entry condition* is
selected for frequency selection.
-The [CE] key toggles the indicator ON and OFF.
*Some versions have no frequency entry condition.

SELECTING A CHANNEL 3
• Selecting a channel
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.
~ NOTE: When Channel 0 and/or 2182 kHz is se-
~ lected with the [2182KHz] switch, channel selec-
~ tion is NOT possible. In such a case, push
~ [2182KHz] in advance.
f I Jf I II f - f I II
liD •C•~• I_I:JC '-' u:.Jc
CHANNEL INDICATION - DU~ - - liD DUP f Lf Lf
_I ( I I i _I I I I 1 )I> C .0 :J I:J,ILI
~ ·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·- ¢=::> ··-·-·-·-·-·-·-·- -·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·- -·-
D
'- I _11 __ 1 ; '- 1 •• 11._1 ! -.,- -,-.,-,.,
CHIFREO =· c =· Cl ,, I _ _, I__ CE -, , -, ,-, ,, I I I
liiJ !_ • ~~ -f ~~ ~~ l_l -11 - ~ 1aJ )I> 1- 1-f -, 1-f I f 1_1 ::_:1 C
DUP - ·- - - -
FREQUENCY INDICATION ::1 C ."'J 0171 ~~~ -,1-1171
LD~~U CD~~U
CHANNEL SELECTION MODE
Channel can be selected
~ NOTE: Channel name (alphanumeric) does not appear during
~ channel indication according to set mode settings (p. 13).
FREQUENCY SELECTION MODE
Frequency can be changed
<> Using the channel selector [EXAMPLE]: Selection ofthe [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 [CHAN-
NEL] selector selects each channel.
CD Be sure no"~ .. indicator appears on the display.
II- 1-1 I II
m:t I Cl Ll
1
-1 :_-, C
DUP
... s :- -: :::• / r:, :- -: :::•
~~ lf~ppears, push [CE] to delete it.
@ Rotate the [GROUP] selector to select the de-
sired channel group as shown at right and/or
below.
@ Rotate the [CHANNEL] selector to select the
desired channel.
[
1 J3E
I'·.
wwv
21
J3E
KMI
41 J3E
WOM
61 J3E
woo
121
J3EI
FAX . \
141 J3E 1···_/ \
SHP/SHP
,.'I
401 J3E I
4.357.0 .
4-1
J3E I
4A LTD
601 J3E I
6.501.0
[
J3E I
2501
26.145.0
[
25-1
J3E l
.
. [ 4001 FSK] ]
4.210.5
1a
Q)
c:
c:
l1l
~
()
ID
1/)
1/)
::::l
t::
"
:.:::.!!!
1/)Ql
u..c:
c:
::::llll
f-~
-()
*AIIITU channels are not available with some versions and
ITU FSK channels can be hidden using set mode. (p. 12)
CHANNEL GROUP
CHANNEL NO. DESCRIPTION CHANNEL NO. DESCRIPTION CHANNEL NO. DESCRIPTION
User channels 8·1 to 8-9 8 MHz ITU simplex channels 2201 to 2253 22 MHz ITU duplex channels
1
to 160 ([GROUP] selector changes in
20 channel steps) 1201 to 1241 12 MHz ITU duplex channels 22·1 to 22-9 22 MHz ITU simplex channels
401 to 427 4 MHz ITU duplex channels 12-1to12-9
12 MHz ITU simplex channels 2501 to 2553 25 MHz ITU duplex channels
4-1 to 4-9 4 MHz ITU simplex channels 1601 to1656 16 MHz ITU duplex channels 25-1
to 25-9 25 MHz ITU simplex channels
601 to 608 6 MHz ITU duplex channels 16-1 to 16-9 16 MHz ITU simplex channels ITU FSK duplex channels
6-1 to 6-9 6 MHz ITU simplex channels 1801 to 1815 18 MHz ITU duplex channels 4001 to 25040 (SITOR use)
801 to 832 8 MHz ITU duplex channels 1B-1 to 18-9 (No group separation)
18 MHz ITU simplex channels
5

6
3 SELECTING A CHANNEL
<>Using the keypad
Direct channel selection via the keypad is available
for quick channel selection.
CD Be sure "...,. .. does not appear on the display.
-If it appears, push [CE] to delete it.
® Enter the desired channel number via the key-
pad.
-A user channel is selected when channel 1-160 is
input (max. number may be optionally restricted}.
- An ITU SSB channel is selected when channel
numbers higher than 401 are input (not available for
some versions}.
- An ITU FSK channel is selected when channel
numbers higher than 4001 are input (not usable
according to set mode setting).
-The " - " key can be used for selecting an ITU
simplex channel.
® Push [AX] to select the entered channel.
<>Using scan functions
(Some versions do not have these functions)
The transceiver has automatic channel or frequency
change capability (scan function). There are 3 types
of scan functions available to suit your needs.
Channel scan
Channel resume scan
/ Scan is cancelled when
transmitting.
Scan pauses for 30 sec.,
then resumes after
transmitting.
Programmed
scan (optional) Scans the frequency range
~ ~ between the programmed
~ ~ frequencies on channels
159 and 160.
Scans fast when squelch is
closed and slowly when
opened.
[EXAMPLE]: Selecting channel153.
'r ,-,
llEt I Cl Ll
,_I ::..:II::
CUP
U Sf I~' IGIZ:
Channel scan and channel resume scan increases
channels within a 5 channel range such as ch 1 to
ch 5, ch 156 to ch 160, etc. in user channels; or all
channels
in the group of ITU channels
Programmed scan (optional) changes frequencies
within the frequency range between user channels
159 and 160.
Scan selection is available in set mode. See p. 13
for scan selection.
SCAN OPERATION
CD Select your desired channel group with the
[GROUP] and [CHANNEL] selector.
- Or use the keypad and [CE] key for direct selection.
-This operation
is not necessary for programmed
scan.
® Push [SQL) to turn OFF the squelch function if
the programmed scan
is selected.
® Push [FUNC] then [SQL) to start the scan.
@ To stop the scan, repeat step @again.
-[CHANNEL] rotation and some other switches also
stop the scan.

• Selecting a frequency
The transceiver has 0.5 to 30.0 MHz general cov-
erage receive capability with 100 Hz resolution. The
receive frequency can be changed instantly, indepen-
dent of the transmit frequency.
()Using the channel selector
CD Select a channel which is programmed near the
frequency you want receive.
<2) Push the [CE] key to select frequency selection
mode.
- "~" appears on the display.
@ Rotate the [CHANNEL] selector to change the
frequency.
@ To return to the previous frequency, push [CE].
- "~" disappears and the previous frequency or
channel name appears.
()Using the keypad
~ CAUTION: A frequency can be entered into a
~ user channel or ITU simplex channel by pushing
~ the [RX] key. However, when pushing and hold-
~ ing the [RX] key after entering a frequency, the
~ previously programmed contents are erased and
~ cannot be retrieved. Therefore, keypad entry
~ should be used only on spare channels.
CD Select the memory channel to be used for gen-
eral coverage use.
I C ,-1
I !..1 !..1
No frequency programmed channel for general
coverage use.
(mode and channel name do not appear)
@ Push [CE] to select frequency selection mode.
@ Enter the desired frequency with 5 or 6 digits.
@ Push [RX] to input the frequency.
-Do not hold [RX] for more than 0.5 sec., otherwise
the frequency will be programmed into the channel.
SELECTING A CHANNEL 3
~ NOTE: The selected frequency is used for tempo-
~ rary receiving (transmitting is not available). This
~ frequency is cleared once the channel is changed.
~
~ If you want to program a frequency, refer to p. 11,
~ memory programming.
~
CE
Q)
liil Ill
I Cl !..1 '-' :.1 ,_:
DUP
SHF1/ SHP
'---1-------.J
No "~" indicator shows that the channel will
be changed when rotating [CHANNEL].
liif I II
laJ I Cl !..1 1_1 :_1 c
DUP
... ,.-:• :::, ::; p '//
~~-·- - -'·'-
"~" and frequency show that the frequency
can be changed.
[EXAMPLE]: Setting 12.3450 MHz
I C II
I _I !..1
Select non frequency I
programmed channel.
'-------------------~
CE
Q)
1
Q)
2 3
Q) Q)
4 5
Q) Q)
0
Q)
RX
(Q)
(momentarily)
...
...
I I_ 1 I
I
_I !..1
I C f'
I -1 -1
I
. I
I ,- ,-1
I =I !..1
... :,,~·]'·-IS
I C II
I _I !..1
Iii- I ::1 ::1 t J C: 171
''-·-' 1_1.1!....1
I I_ I I
I
_I !..1
After temporarily receiving.
CE
Q)
I C ,-1
I -1 !..1
7

8
4 RECEIVE AND TRANSMIT
• Basic voice receive and transmit
G) Be sure of the following in advance:
• Microphone is connected.
• [SPEAKER] switch is turned OFF.
• [SOL] switch is turned OFF.
• [CLARITY] control is set to center position.
[SOL]
[CLARITY]
® Select the desired channel to be received with the
[GROUP] and [CHANNEL] selectors.
-When receiving a signal, S-meter shows its signal
strength.
• Functions for transmit
0 Transmit frequency check
When "DUP" appears on the display such as for a
ship-to-shore channel, the transmit frequency differs
from the received frequency.
In such a case, the transmit frequency should be
monitored before transmitting to prevent interference
to other stations.
<> Transmit power selection
The transceiver has 3 selectable output powers.*
High power allows longer distance communications
and low power reduces power consumption.
*Only 2 selectable output powers are available with some
versions.
In this case, level 1 stands for 60 W (the same as
level2).
~ NOTE: Low power setting affects all channels ex-
~ cept the 2182 kHz emergency channel.
~
~ NOTE: Power selection is not possible with
~ GMDSS versions, only high power is available.
@ Adjust [VOLUME] to the desired audio level when
receiving a signal.
@ Push [MODE] to select the desired operating
mode, if the received signal is in a different mode.
@ Push [TUNE] to tune the antenna tuner, if con-
nected.
-This operation is not necessary when "automatic
tuning"
is selected in set mode (p. 12).
@ To transmit on the channel, push and hold the
PTT switch on the microphone.
-"TUNE" flashes for 1 to 2 sec. for the first trans-
mission on a channel when connecting an antenna
tuner.
(J) After the flashing stops, speak into the micro-
phone at your normal voice level.
-The RF meter shows the output power (or antenna
current) according to your voice level.
@ Release the PTT switch to return to receive.
• Push and hold the [TX FREQ] switch to monitor
the transmit frequency.
-The display shows the transmit frequency simulta-
neously.
CD Push [FUNC] then [TX] to call up the following dis-
play.
3
}7F -- P~Jf?
<V Rotate the [CHANNEL] selector to select high or
low output power.
3 :high power (150 W PEP)
2 :middle power (60 W PEP)
1 : low power (20 W PEP)
@ Push [FUNC] or [CE] to return to the previous dis-
play.

• Functions for receive
<>Squelch function
This function detects signals with voice components
and squelches (mutes) unwanted signals such as
non modulated beat signals. This provides quiet
stand
by.
When you need to receive weak signals, the squelch
should
be turned OFF.
<>Noise blanker
The noise blanker function reduces pulse type noise
such as that coming from engine ignitions.
The noise blanker may distort reception of strong
signals.
In such cases, the noise blanker should be
turned OFF.
<> AGC off function
The receiver gain is automatically adjusted accord-
ing to received signal strength with the AGC (Auto-
matic Gain Control) function to prevent distortion
from strong signals and to obtain a constant output
level.
When receiving weak signals with adjacent strong
signals or noise, the AGC function may reduce the
sensitivity.
In this situation, the AGC function
should
be deactivated.
<> RF gain setting
The receiver gain
can be reduced with the RF gain
setting. This may help to remove undesired weak
signals while monitoring strong signals.
Usually, the AGC function reduces the RF gain
according
to the receive signal strength and these
weak signals are removed. However, during periods
of no signals, these weak signals may not be heard.
In such cases, the RF gain may be useful for setting
a minimum level at which
to hear signals.
<> Clarity control
Voice signals received from other stations may be
difficult to receive. This may sometimes happen if a
station
is transmitting slightly off frequency. In such
cases, compensate the receive frequency only,
us-
ing the [CLARITY] control.
RECEIVE AND TRANSMIT 4
• Push [SQL] to turn the squelch function ON and
OFF.
DUP
1r n
I Cl !..I
,_: j 1:.:
1-~ 1'1 I SQL
..._____ ____ ,_
"SQL"' appears when the squelch is ON (noise is muted).
• Push [NB] to turn the noise blanker function ON
and OFF.
DUP
',- n
I Cl !..I
,_: :.:11:.:
1-U"I I N B
'----------1-
"NB" appears when the noise blanker is ON.
• Push [AGC] to deactivate or activate the AGC
function.
'r r•
lll3 I Cl !..I
:·~ r~: I I : •
-::·.
--~
Appears when the [AGC) switch is ON
(AGC function deactivates).
G) Push [FUNC] then [RX] to call up the following
display.
Cl
_I
,-,,- ,- ,-, T II I
,., ,..- ·-,~,r-, ..L, ~•
® Rotate the [CHANNEL] selector to set the de-
sired minimum cutting level.
-"0" to "9" are available.
-S-meter shows the minimum permitted level.
@ Push [FUN C) or [CE] to exit the RF gain display.
• Adjust [CLARITY] to improve the audio signal.
~[
9

10
4 RECEIVE AND TRANSMIT
• CW operation (Marine/General versions only)
The transceiver has the following CW keying fea-
tures and they can be selected in set mode as
described on p. 14
• Full break-in (receiving is possible while transmitting)
• Delay keying (automatic transmission with keying)
• OFF (manual transmission is necessary before keying)
CD Connect a CW keyer or an external electronic
keyer to the ACC(1) socket as shown at right.
(g) Selectthe desired channel to operate CW mode.
@ When the selected channel is not in A1A mode,
push [MODE] one or more times to select "A 1A."
@ Operate the CW keyer to transmit a CW signal.
~ CW mode may not be used depending on versions.
~ CW narrow can be selected in set mode (p. 13) when
~ an optional filter is installed (already built-in to the GMDSS
~ versions).
CW key connection
CWkey
ACC(1) socket
• FSK operation (Marine/General versions only)
The transceiver has FSK and J2B modes for FSK
operation. Use the FSK mode when using the
oscillator in the transceiver and use the J2B mode
when using an
AFSK terminal unit.
CD Connect an FSKterminal unit as shown at right.
(g) Select the desired channel.
- FSK ITU channel group, ch 4001 to ch 25040, are
available depending on versions.
@ Push [MODE] one or more times to select the
type of emission as "FSK" or "J2B."
@ Operate the FSK terminal unit.
~ FSK shift frequency and FSK polarity can be adjusted
~ in set mode (pgs. 13, 14).
NOTE: Some transceivers may operate 1 .7 kHz higher
than the IC-M71 O's J2B mode even when the same
displayed frequencies are in use .
FSK terminal unitconnection
ACC(1) socket
FSK terminal unit
• Cross channel operation (Europe versions only)
Cross channel operation is available with some
versions to operate different channels for receiving
and transmitting.
CD Select the desired channel for receiving.
- ITU simplex channels cannot be used for cross
channel operation.
(g) Push [TX], then select the desired channel for
transmitting.
- "ID" blinks after pushing [TX].
@ Push [TX] again to stop the blinking.
@ Operate the transceiver normally.
@ Change the channel to clear the cross channel
setting.
Cross channel operation example
I C :1 C
llJ3 I !..1 -1 -1
DUP
I -, .::r I. _I I __ 1 f71
I 1._1 I I.ILI
'
While receiving
,_: ::.3l:
: c' c: El ._: ::: ~:.:
DUP
o:t I-,-,,- 1171
..!££_:..:.!...1':!-
0 ' 2 J 4
While transmitting
~ NOTE: This function is available for the
~Europe versions only.

USER CHANNEL PROGRAMMING 5
• Programming a frequency
The IC-M710 has up to 160 user-programmable
channels each with channel name capability
of up to
7 alphanumeric characters.
<>Receive frequency
CD Select the desired user channel to be pro-
grammed.
-Channels 1
to 160 (maximum) are programmable.
® Push [CE] to select frequency selection mode.
-".,.. •
and frequency appear on the display.
@ Enter the desired frequency via the keypad with
5 or 6 digits.
-Or rotate the [CHANNEL] selector to change the
frequency.
@ To change the operating mode (type of emis-
sion), push [MODE] one
or more times.
@ Push and hold [RX] for 1 sec. to program the
user channel.
~ NOTE: ITU simplex channels can be programmed
~ as well as user channels. However, transmit fre-
~ quencies cannot be programmed (not necessary to
~program).
Push [CE]
Set frequency.
Push and hold [RX].
:so ,_/:://:.:
DUP
~ .~· c·.:=: :z: :.:J
Frequency and "._" appear.
:so l_l::/1:.:
DUP
1-1 -~ -~ Cl rl1
0. ICI..J.ILI
Use keypad or channel selector.
: E.r:: ,_:::~::.:
DUP
I I\,- 1-1 II- r71
1_1 _JC (> I(JI!...I
Programming is completed.
<>Transmit frequency (Not applicable for General versons)
CD Select the desired
user channel to be pro-
grammed.
® Push [TX].
- "iD" blinks.
@ Push [CE] to select frequency selection mode.
-".,.."
and frequency appears on the display.
@ Enter the desired frequency via the keypad with
5 or 6 digits.
-
The [CHANNEL] selector cannot be used.
-Refer to p. 23 for programmable frequency range
(frequency coverage, transmit).
® Push and hold [TX] for 1 sec. to program.
@ Push [TX] to clear the "w" blinking.
0 Channel name
CD Select the desired user channel to be pro-
grammed.
® Push [CH/FREQ] to select channel indication.
® Push [FUNC] then [CE].
-
The channel name (alphanumeric) readout blinks.
@ Rotate the [GROUP] selector for cursor position
and the [CHANNEL] selector for the message
contents.
-
To return to the previous message, push [CE).
® Push and hold [RX] to program the message.
-
Blinking stops.
• Available
characters
111 ,-,
II-I to ::..:r
,-, 7
,- ·1 to !... _ (space)
I I \ \II f I I ' -,
I , ,,, -,- -- I L :: ....! (!.1
Push [TX).
Push [CE]
Push and hold [TX]
after entering a
frequency.
Push [FUNC]
then [CE]
Rotate [GROUP]
and [CHANNEL]
to select cursor and
character.
Push [RX].
f ,,,,Ill
lliJ I Cl !..1 1_1 ::..::r C
X J:f- I I ,!'~~ 1-1 I 1- 111
f 1 '- 1_1 ...JC (i I(JI!..I
"m" blinks.
f I- -~
lliJ I b L,
,_/::/1:.:
_l' ~~ :-:1 .-:.UP I Ill 1:: 111
t I '- I_ 1_, I 1!...1 _1,1!...1
[ IC.rl '·-''--
lliJ I !..1 !..1 1_1 _I I_
':\. I / OUP
-Lm-' ,,,-,-, ,,-,,,
rI '- 1_1 ~IC (i 1(....11!...1
I C. ,-,
lliJ I !..1 !..1
'- I / DUP
-: :s:,r-:F? :sr:
/,,--
lliJ
I C. ,-,
DUP I '-' "'I /
,- ,-'"'''- h...J. T _
I_ 1_11 II:_: I~~ I
/I'
I C. II
lliJ
I !..1 !..1
DUP
,-,-,Hill-hIT
I_ 1_11 1(_:1 \I'
I. II
~-~~~c
,_/:://:.:
,_/::/1:.:
~Channel name programming is inhibited on some
~versions.
11

12
6 SET MODE
• Set mode operation
Set mode operation is used for programming infre-
quently changed values or conditions of functions.
The IC-M71 0 has up to 13 such items.
~ Some of the set mode items described in this
~ section are not available on some transceiver ver-
~ .
~ SIOnS.
CD Push [POWER] to turn power OFF.
® While pushing and holding [FUNC] and [1], turn
power ON to enter set mode.
-Set mode is selected and one of its items appears.
@ Rotate the [GROUP] selector to select the desired
item.
@ Rotate the [CHANNEL] selector to set the values
or conditions for the selected item.
@ Turn power OFF and ON again to exit set mode.
• Set mode contents
(1) FSK ITU channels
FSK ITU channels appear as a group between the
ITU 25 MHz band and user channels. This FSK
channel group can be hidden for voice communi-
cation use only.
(2) Connected antenna tuner
The transceiver has several tuner control systems
for use with an optional lcom antenna tuner. Select
the condition depending on the connected antenna
tuner.
Note that internal switch selection may be required
when using a non-lcom tuner (p. 19).
(3) Automatic tuning condition
When the optional AT-130 or AT-130E AUTOMATIC
ANTENNA TUNER is connected, tuning can be started
automatically without the [TUNE] switch for instant
operation.
If manual tuning is required, this automatic operation
can be deactivated.
[POWER]
F/ t - / =/ [/ ~--;--(Condition
T :_:r.:E f'? Item
r ,-
CI ,- ,-
1- T T,-,,-,
:J .L • ,_,,...~
FSK channels do not
appear (no SITOR
operation).
~--------~~efuu~
Cl ,-1
,- T T ,-,,-,
::I.J.. I l_l(i
:=: t -I
-1 ,-,
I =I !...I
T 1 111 ,- ,-,
I '-" ·•C (i
:=:t- :c•c:
T 1 '" •C: ,_.-')
' ,_,,~··-I I
:=: :-: - =:
T1 lhlf:(-')
',_,,~,,_,,
c• .-.
r:ur T I
111 I
',_,,,,
FSK channels appear (for
SITOR operation).
AT-130
(default)
AT-120
AH-3
Tuning starts when
pushing [PTT]
on a new
..____ ________ ____, frequency.
r:ur T 1
lh 1
I'-'''' L_ ________ _J
Tuning starts only when
(TUNER] is pushed.
(default)

(4) Scan type selection (scan-type only)
This item selects one of the following scan functions.
Channel scan and channel resume scan search 5
channels around a user selected channel or search
all ITU channels in the band when an ITU channel is
selected.
Programmed scan (optional) searches signals within
the frequency range and activates slowly while
squelch is open and fast while squelch is closed.
(5) Scan speed (scan type only)
Selects scan speed as follows: (unit: msec./ch)
Selection 1 2 3 4 5 6 7 8 9
Channel scan 130 260 520 1040 2080 4160 8320
16460 33280
Channel resume
scan (sec./ch) 1 2 3 4 5 6 7 8 9
Programmed scan
(squelch open*) 10 20 40 60 90 140 210 320
480
*squelch closed: 10 ms/ch
-Fast speed Slow speed-
(6) Channel name and frequency
The lower half of the display can be set to display a
programmable channel name or a receive frequency
according to an operator's needs.
(7) CW/FSK
narrow filter
This item selects the passband width for A1A (CW),
FSK or J2B mode.
~ NOTE: When "on" is selected without optional
~ filter installation, the Marine and General versions
~ do not function on these modes. The GMDSS
~ versions can use "on" as standard.
(8)
FSK shift frequency
Several shift frequencies (the difference between the
mark and space frequency) are used for FSK opera-
tion. This item allows you to select a shift frequency
for almost any FSK system.
10
66560
10
720
SET MODE 6
.---~-~~------------~channel scan
L f-/ Scan is canceled when
S[ -- T ~~ F' [ transmitting.
....___ __________________ ____., (default)
.---~-~~------:::_:-::_:------~ Channel resume scan
,_' :-,' - ,- :- -'-,
.... Scan pauses when trans-
S[ -- T ~~ F' [ mitting, then resumes after
'-------------------------" 30 sec.
p ,- _,-, Programmed scan
Scan operates over the
S[ -- T \1 p [ frequency range.
'-------------------------" (optional)
I
f Fastest scan speed
SC --SF'II
(default: 4)
I ,-1
f '-'
SC ·-SF']
Slowest scan speed
.-----~-~~~--~-~------,Channel number
L f-, -L Cl and channel name
I~ 1·-: -- ] I 5 :::• (alphanumeric)
'-------------------------' (default)
[ :-: - :- ,-
,-,,TIT',,-,
,_ ,. -, .. ..!..1 ..!.. _:.,--
c,F :=
r.:F:f? -- r= I L
....___ __________________ ____.,
o,-,
r.::-1:~·-- F IL
Channel number
and frequency
Passband:
2.3 kHz/- 6 dB
(default)
Passband:
500 Hz/-6 dB
(for General/Marine ver.)
....._ __________________ ___) 350 Hz/-6 dB
I -1 ,-1
I f '-1
::: s:-~ -- s::: r
0 c ,-1
'-1 _, '-'
::: S :-: -- S :--: T
(for GMDSS versions)
Shift frequency:
170Hz
(default)
Shift frequency:
425Hz
Shift frequency:
850Hz
13

14
6 SET MODE
(9) FSK polarity
Normal and reverse polarities are available for FSK
operation. This item allows you to select one of
these polarities.
"FSK-REV off" (normal):
key open (mark); key close (space)
"FSK-REV on" (reverse):
key open (space); key close(mark)
(1 0) CW break-in
CW break-in function (in A1A mode) toggles transmit
and receive with CW keying. Full break-in allows
you to receive signals between transmitted keying
pulses during CW transmission. Semi break-in
allows you to mute receiving until keying stops with
some delay time.
(11) LCD
contrast
The LCD contrast can be adjusted through 10 levels
to suit transceiver mounting angle, location and
ambient lighting.
(12)
ID number setting for remote control
When connecting an external controller such as a
personal computer, 2-digit
ID codes are required to
access the transceiver. The
IC-M71 0 adopts
NMEA0183 format
and uses a "proprietary sen-
tence" for remote control.
(13) Remote
control input terminal
Remote control signals can be input via the [DSC]
(or REMOTE) socket or [CLONE] jack.
oFF
::: 5 f~ --::;• EI/
c,.-,
::: s:-: -- r~·:~ :,~
C Ill I
I LIL L
C J,J ·· f::-: I 1\1
FSK normal
(default)
FSK reverse
Full break-in
Automatic keying without
delay time
'-----------_/(default)
dELt=l'd
c :~~: -- :m: I r.:
C1 f- f-
,-, I Till Till
'- 1"1 -- :0 (\ .!.. I ''
L_ _________ _J
,-, I
Ll I
:_ CII·· Cr.: T
,,-,
ILl
I_:~ II·- [ l\1 T
1-1 I
Ll I
::?[1"1 T ··I II
CICI
-1-1
T T1
..L ..LI
l_l -C I f-
_l _l_l_l
::-·? :~ r': T ·- I:::
p ,.-,
Semi break-in
Automatic keying with
delay time
OFF
Manual transmission
necessary for keying
Lowest contrast
(default: 7)
Highest contrast
NMEA
ID: "1"
(default)
NMEA ID: "99"
[DSCJ (or REMOTE
according to version)
socket
(default)
[CLONE] jack

CONNECTIONS AND INSTALLATION 7
• Connections on rear panel
0 ANTENNA CONNECTOR (p. 19)
Connects a 50 Q HF band antenna with a 50 Q
matched coaxial cable and a PL-259 plug.
8 GROUND TERMINAL (p. 18)
IMPORTANT! Connects a ship's (or vehicle's)
ground. See p. 18 for details.
8 ACC(1) and ACC(2) SOCKETS
See
p. 16 for details
8 CLONEJACK
For Dealer use only.
0 DSC or REMOTE SOCKETS
• DSC socket for GMDSS versions -Connects
an optional GM-110DSC DSC TERMINAL UNIT
for DSC operation.
• REMOTE socket for Marine and General ver-
sions.
0 MOD/AF SOCKET (GMDSS versions only)
Connects an external terminal unit
• Unpacking
NOTE: To meet the European GMDSS regula-
tions, the following must be connected to the
IC-M710GMDSS version:
• GM-110 DSCTERMINALUNIT
• PS-65 (or 66) DC-DC coN-
VERTER UNIT
• AT-130E AUTOMATIC AN-
TENNA TUNER
12 V battery
6 EXTERNALSPEAKERJACK
Connects a 4-16 Q external speaker using a 1/4
inch monaural plug. This external audio is not
muted by the [SPEAKER] switch
on the front
panel.
C) TUNER RECEPTACLE
Connects a control cable to an optional AT-130 or
AT-130E ANTENNA TUNER. A female connector
is supplied for connection.
@) DC POWER RECEPTACLE
Connects to a regulated
12-16 V DC power
source such as 12 V battery or DC power supply
using the supplied DC power cable.
CAUTION: DO NOT connect to a 24 V battery.
This will damage the transceiver.
«!) FUSE HOLDERS
Hold two 30 A fuses for
E6 and 8 terminals.
Replace both fuses when one fuse is blown.
Microphone (EM-101)* ............. 1 DIN connector (7-pin for ACC2)
...... 1 Nuts (M6; use 2 pes. for each bolt) . . . 8
Flat washers (M6) . . . . . . . . . . . . . . . . . 8
Microphone hanger . . . . . . . . . . . . . . . 1
DC power cable (OPC-568) ......... 1
Mounting bracket . . . . . . . . . . . . . . . . . 1
Bracket knobs (8820000170)
.. _ ..... 4
*Some versions have no microphone sup-
plied.
CONNECTORS
DIN connector (8-pin for ACC1) ...... 1
Speaker plug (5610000040) ......... 1
Tuner connector (56100000150)
..... 1
Pins for tuner connector (6510019030). 4
DIN connector cover (GMDSS only) ... 1
(attach to the ACC sockets)
NUTS AND BOLTS
Allen bolt (M6 x 50) . . . . . . . . . . . . . . . 4
Self-tapping screws (M6 x 30) . . . . . 4
Spring washers (M6) .............. 4
Self-tapping screws
(3.5 x 30 for mic. hanger)
....... 2
FUSES
FGB 30A (for rear panel) . . . . . . . . . . . 2
FGB 5 A (for inside)
............... 2
15

7 CONNECTIONS AND INSTALLATION
• Connector information
ACC(1)*
PIN PIN NAME DESCRIPTION SPECIFICATIONS
1 CWK
CW and FSK keying input. Input level : Less then 0.6 V for transmit
~
2 GND
Connects to ground. Connected
in parallel with ACC(2) pin 2.
Input/output pin. Ground level
-0.5 to 0.8 V
3
SEND
Goes to ground when transmitting. Input current Less than
20 rnA
When grounded. transmits. Connected
in parallel with ACC(2) pin 3.
Rear panel
4 MOD
Modulator input. Input impedance
10 kQ
view
Usable when pin 3 is grounded. Input level Approx. 100
mV rms.
5
AF
AF detectoroutput. Output impedance : 4.7 kQ
Fixed, regardless of [AF] position. Output level : 100-300 mV rms
6 SCAN
Starts scan when grounded. Scan operation : Less than 0.6 V
7 13.6 v 13.6 V output when power
is ON.
Output current : Max.1 A
Connected
in parallel with ACC(2) pin 7.
Control voltage -3 to 0 V
8
ALC
ALC voltage input. Input impedance More than 10
kQ
Connected in parallel with ACC(2) pin 5.
* ACC{1 ): Manne and general verston only.
ACC(2)*/ACC*
PIN PIN NAME DESCRIPTION SPECIFICATIONS
(Marine/General versions) 1
8V
Regulated 8 V output. Output voltage : 8 v ± 0.3 v
Output current : Less than 10 rnA
@ 2
GND
Same as ACC(1) pin 2.
3
SEND
Same as ACC(1) pin 3.
4 NC
No connection
5
ALC Same as ACC(1) pin 8.
Rear panel
view
6
RLC
T/R relay control output When transmitting : 0 V (less than 0.5 A)
7 13.6V
Same as ACC(1) pin 7.
• ACC{2): Marine and general version, ACC: GMDSS version.
MICROPHONE PIN PIN NAME DESCRIPTION SPECIFICATIONS
1 MIC+
Audio input from the microphone Input impedance :
600Q
element.
2 NC
No connection
3 AF1 AF output controlled with [VOLUME]. Output impedance :
4Q
(~ ~:~1)
Connected to pin 4 in the microphone.
4 AF2
AFinput
Connected to pin 3 in the microphone.
30 06 5
PTT
PTT switch input
~o o_0
When grounded, transmits.
--=-
6
GND Connected to ground.
7
MIC- Coaxial ground forMIC+
8
AF- Coaxial ground for AF1 and AF2.
TUNER PIN PIN NAME DESCRIPTION SPECIFICATIONS
1 KEY
Key signal input -0.5 to 0.8 V during tuning
1 2
• 2
START
Start signal output Pulled up 8
V, 0 V(1 00 msec.) as a start signal.
3
13.6V
13.6 V output Maximum current
2A
E
8terminal For U.S.A. version (See below for Europe version)
3 4 4 ................
·····································-------------
--------------------------------------------------------------
ANTC
Antenna current input Input level : Approx. 2 Vrms
16