Panel Description; Front Panel - Icom IC-756PROIII Instruction Manual

1

PANEL DESCRIPTION

■ Front panel

q
w
e
r
t
q POWER SWITCH [POWER•TIMER]
❍ While transceiver's power is OFF:
Push to turn power ON.
• Turn the optional DC power supply ON in advance.
• A/D converter calibration of the DSP unit starts and it
takes approx. 10 sec.
❍ While transceiver's power is ON:
➥ Push momentarily to toggle the timer function
ON and OFF. (p. 93)
•The [TIMER] indicator in this switch lights while
the timer function is ON.
➥ Push for 1 sec. to turn power OFF.
w TRANSMIT SWITCH [TRANSMIT]
Selects transmitting or receiving.
• The [TX] indicator lights red while transmitting and the
[RX] indicator lights green when the squelch is open.
e HEADPHONE JACK [PHONES]
Accepts headphones.
• Output power: 5 mW with an 8 Ω load.
• When headphones are connected, the internal speaker
or connected external speaker does not function.
r ELECTRONIC KEYER JACK [ELEC-KEY]
Accepts a paddle to activate the internal electronic
keyer for CW operation. (p. 38)
• Selection between the internal electronic keyer, bug-key
and straight key operation can be made in keyer set
mode. (p. 43)
• A straight key jack is separately available on the rear
panel. See [KEY] on p. 11.
• Keyer polarity (dot and dash) can be reversed in keyer
set mode. (p. 43)
• 4-channel memory keyer is available for your conve-
nience. (p. 40)
1
!2 !1 !0
HF/50MHz TRANSCEIVER
TIMER
POWER
TRANSMIT
PHONES
TUNER MONITOR NB NR
AF RF/SQL BAL NR
ELEC-KEY
MIC
MIC GAIN RF POWER COMP BK-IN DELAY KEY SPEED
y u io
F-1 F-2 F-3 F-4
SSB CW/RTTY AM/FM FILTER
t MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
• See p. 116 for appropriate microphones.
• See p. 18 for microphone connector information.
y AF CONTROL [AF] (inner control)
Varies the audio output level from the speaker.
AF
Decreases
No audio output
u MIC GAIN CONTROL [MIC GAIN]
Adjusts microphone input gain.
• The transmit audio tone in SSB mode can be adjusted in
set mode. (p. 95)
✔ How to set the microphone gain.
Set the [MIC] control so that the ALC meter sometimes
swings during normal voice level transmission in SSB mode.
Increases
Decreases
MIC GAIN
F-5
EXIT/SET
(dot)
(com)
(dash)
RF/SQL
Increases
Max. audio output
Recommended level for
an Icom microphone
MIC GAIN