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

1

PANEL DESCRIPTION

Front panel

q
w
e
r
t
q POWER SWITCH [POWER/TIMER]
• Push momentarily to turn power ON.
- Turn the optional DC power supply ON in advance.
• Push momentarily to toggle the timer function ON
and OFF. (p. 52)
- The power switch lights while the timer function is ON.
• Push for 2 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.
- When headphones are connected, the internal speaker
or connected external speaker does not function.
r ELECTRONIC KEYER JACK [ELEC-KEY] (p. 35)
Accepts a paddle to activate the internal electronic
keyer for CW operation.
- Selection between the internal electronic keyer, bug-key
and straight key operation can be made in keyer set
mode. (p. 35)
- 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. 35)
- 4-channel memory keyer is available for your conve-
nience. (p. 36)
1
! 7 ! 6 ! 5 ! 4
TIMER
POWER
9
5 +20 +40
1 +60dB
25
50 100
10
0
S
TRANSMIT
％
Po 3
2
1 1.5
∞
SWR
ALC
i756
HF/50MHz TRANSCEIVER
PHONES
TUNER MONITOR NB NR
AF RF/SQL BAL NR
ELEC-KEY
MIC
MIC GAIN RF POWER COMP KEY SPEED BK-IN DELAY
y u i o ! 0 ! 1 ! 2
! 3
14.195.000
14.205.000 14.205.000
F-1 F-2
SSB CW
t MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
- See p. 68 for appropriate microphones.
- See p. 8 for microphone connector information.
y AF CONTROL [AF] (inner control)
Varies the audio output level from the speaker.
Decreases
No audio output
u MIC GAIN CONTROL [MIC GAIN]
Adjusts microphone input gain.
How to set the microphone gain.
Set the [MIC] control so that the ALC meter sometimes
swings during normal voice transmission in SSB mode.
Recommended level for
an Icom microphone
Decreases
F-3 F-4 F-5
RTTY AM FM
(dot)
(com)
(dash)
AF RF/SQL
Increases
Max. audio output
Increases
MIC GAIN