User's Manual

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PANEL DESCRIPTION
■ Front panel
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. 91)
•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)
t MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
•See p. 114 for appropriate microphones.
•See p. 18 for microphone connector information.
y AF CONTROL [AF] (inner control)
Varies the audio output level from the speaker.
u MIC GAIN CONTROL [MIC GAIN]
Adjusts microphone input gain.
•The transmit audio tone in SSB mode can be adjusted in
set mode. (p. 93)
✔ How to set the microphone gain.
Set the [MIC] control so that the ALC meter sometimes
swings during normal voice transmission in SSB mode.
MIC GAIN
Recommended level for
an Icom microphone
IncreasesDecreases
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 NRRF/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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