Manualshelf

Operation Manual

ManualsBrandsIcom ManualsAudioi703
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PANEL DESCRIPTION
■ Front panel
q POWER SWITCH [POWER] (p. 17)
➥ While transceiver’s power is OFF:
Push to turn power ON.
• Turn the DC power supply ON in advance.
➥ While transceiver’s power is ON:
❍ Push momentarily to indicate the connected
power supply voltage.
❍ Push for 1 sec. to turn power OFF.
w AF GAIN CONTROL [AF] (inner control; p. 17)
Varies the audio output level from the speaker.
e RF GAIN CONTROL/SQUELCH CONTROL
[RF/SQL] (outer control; p. 24)
Adjusts the RF gain and squelch threshold level.
The squelch removes noise output from the speaker
(closed condition) when no signal is received.
•The squelch is particularly effective for FM. It is also
available for other modes.
•12 to 13 o’clock position is recommended for any setting
of the [RF/SQL] control.
•The control can be set as ‘Auto’ (RF gain control in SSB,
CW and RTTY; squelch control in AM and FM) or
squelch control (RF gain is fixed at maximum) in initial
set mode as follows. (p. 79)
• When setting as RF gain/squelch control
•When functioning as RF gain control
(Squelch is fixed open; SSB, CW, RTTY only)
•When functioning as squelch control
(RF gain is fixed at maximum.)
MODE
SSB, CW
RTTY
AM, FM
AUTO
RF GAIN
SQL
SQL
SET MODE SETTING
SQL
SQL
RF GAIN + SQL
RF GAIN + SQL
RF GAIN + SQL
AF RF/SQL
No audio output
Max. audio output
Decreases Increases
BAND
BAND
MODE
TS
DISPLAY
LOCK
F 1 F 2 F 3
AF RF SQL
RIT
SHIFTM-CH
SUB
PHONES
TUNER
P.AMP
ATT
Y
Z
POWER
MENU
TX
RX
CH
VFO A
P
O
S1
5
5379
20 40
10
60dB
USB
M1 SPL A/B XFC
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