Icom Ic-703 Hf/50mhz All Mode Tranciever Instruction Manual

When “3 SIMPLE MODE” is set to ON, * marked items are undisplayed.76
12SET MODE
4 MODE SELECT(Mode Availavility)
This item is available in all modes, and allows you to
simplify operation by inhibiting the selection of un-
needed operating modes during normal operation.
For example if you are operating mobile and only plan
on using FM and AM modes, use “4  MODE  SE-
LECT” to inhibit access to all other modes (SSB, CW,
RTTY), thereby making selection of AM or FM quick
and easy.
The default is on for all...

77
12SET MODE
* 10 CW NOR SIDE
This item select the carrier point of CW mode from
LSB and USB.
The carrier point is 
LSB side (default).The carrier point is 
USB side.
6 BEEP(Confirmation beeps)
A beep sounds each time a switch is pushed to con-
firm it. This function can be turned OFF for silent op-
eration.
Confirmation beep ON
(default)Confirmation beep OFF
* 7 BAND BEEP(Band edges beep)
A beep sounds when an operating frequency enters or
exits a transmit frequency range. This functions inde-
pendent of...

78
12SET MODE
* 18 AUTO OFF
The auto power OFF function can be used to auto-
matically turn the transceiver OFF after a specified
time of operation. This item can be set to 30 min., 60
min., 90 min., 120 min., or OFF.
Auto power OFF set to
20 min. Auto power OFF
deactivates. (default)
* 13 SYNC TUNING
This item selects the displayed frequency shift func-
tion from ON and OFF.
When this function is activated, the receiving signal
can be kept in receive even when the operating mode
is changed between SSB...

79
12SET MODE
* 23 PEAK HOLD
When the peak hold function is ON, the highest acti-
vated segment of the meter remains visible for 0.5
sec.; when OFF, the meter functions normally.
Peak hold ON
(default)Peak hold OFF
* 20 RF/SQL(RF gain/squelch control)
The [RF/SQL] control can be set as the squelch con-
trol (default), the RF/squelch control (USA version de-
fault) or automatic (acts as squelch in FM/AM modes;
as RF in SSB/CW/RTTY modes). (See p. 24)
The [RF/SQL] control
functions as squelch
control only....

80
12SET MODE
26 SPL OFFSET
This item sets the offset (difference between transmit
and receive frequencies) for the quick split function.
Available offset frequencies are –9.999 to 9.999 MHz
in 0.001 MHz (1kHz) steps.Default is 0.000 MHz.
* 25 SPLIT LOCK
When this item is ON, the main dial can be used to
adjust the transmit frequency while pushing 
[
(F-3)XFC] even when the lock function is activated.Split lock function OFF
(default)Split lock function ON
* 30 AM NB(Noise blanker in AM mode)
When this...

81
12SET MODE
32 PWR ON CHK
This item selects the indication ON or OFF when turn-
ing power ON.
on : The Transceiver briefly displays ‘All indication,’
‘RF power’ and ‘Power supply voltage’ when
turning power ON.
oFF : The display goes directly to frequency indication
at power ON.
Power on check ON
(default)Power on check OFF
* 35 TUNER SW
This item select BAND or ALL.
bAnd : [TUNER] switch ON/OFF condition is re-
mained for each band.
ALL : [TUNER] switch ON/OFF condition is com-
monly remained for all...

82
12SET MODE
37 SPEECH LANG
When the optional UT-102 VOICE SYNTHESIZER UNITis
installed, you can select between English and Japan-
ese as the language.
Voice synthesizer functions
in English (default).Voice synthesizer 
functions in Japanese.
(Voice synthesizer language)
39 S-LVL SPCH
When an optional UT-102 SPEECH SYNTHESIZER UNIT
is installed, the synthesizer can be set to read out the
frequency/mode only, or both the frequency/mode
and S-meter level.Voice synthesizer reads out
both the frequency/mode...

13
83
MAINTENANCE
If the transceiver becomes dusty or dirty,
wipe it clean with a dry, soft cloth.AVOIDthe use of strong chemical solvents
such as thinner, benzine or alcohol to clean
the transceiver. These may damage the
transceiver’s surfaces.
Fuse replacement
If a fuse blows or the transceiver stops functioning, try
to find the source of the problem, and replace the dam-
aged fuse with a new, rated fuse.
CAUTION: Disconnect the DC power cable from
the transceiver when changing a fuse.
The IC-703 has...

14
84
TROUBLESHOOTING
The following chart is designed to help you correct
problems which are not equipment malfunctions.If you are unable to locate the cause of a problem or
solve it through the use of this chart, contact your near-
est Icom Dealer or Service Center.
PROBLEM
POWER SUPPLY RECEIVE
POSSIBLE CAUSE SOLUTION REF.
Power does not come 
on when the [POWER] 
switch is pushed. 
No sound comes from 
the speaker.
Sensitivity is low.
Receive audio is distor-
ted.
Receive signal is distor-
ted with...

85
14TROUBLESHOOTING
PROBLEM
TRANSMIT DISPLAY SCAN
POSSIBLE CAUSE SOLUTION REF.
Transmitting is impossi-
ble. 
Output power is too low. 
No contact possible with 
other stations. 
Repeater cannot be ac-
cessed. 
Transmitted signals are 
distorted. 
Displayed frequency 
does not change proper-
ly.
Programmed scan does 
not stop.
Programmed scan does 
not start.
Memory scan does not 
start.
Memory select scan 
does not start.The operating frequency is not set to 
a ham band. 
Power is set to a lower power...