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PANEL DESCRIPTION
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Front panel
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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.
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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.
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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.
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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)
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MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
• See p. 116 for appropriate microphones.
• See p. 18 for microphone connector information.
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AF CONTROL [AF]
(inner control)
Varies the audio output level from the speaker.
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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.
MIC GAIN
Recommended level for
an Icom microphone
Increases
Decreases
MIC GAIN
AF
RF/SQL
No audio output
Max. audio output
Decreases
Increases
(dot)
(com)
(dash)
TIMER
POWER
TRANSMIT
PHONES
ELEC-KEY
MIC
TUNER MONITOR
NB
NR
AF
BAL
NR
RF/SQL
MIC GAIN RF POWER
COMP BK-IN DELAY KEY SPEED
F-1
F-2
F-3
F-4
F-5
HF/50MHz TRANSCEIVER
SSB
CW/RTTY
AM/FM
FILTER
EXIT/SET
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