■ Front panel
q POWER SWITCH [POWER]
➥ Push momentarily to turn power ON.
➥ Push for 2 sec. to turn power OFF.
w TRANSMIT SWITCH [TRANSMIT]
Push to select transmitting or receiving.
e COMPRESSION SWITCH [COMP] (p. 36)
Push to switch the speech compressor function ON
and OFF.
• The speech compressor increases average RF output
power, improving signal strength and readability in SSB.
r VOX SWITCH [VOX] (p. 33)
Push to switch the VOX function ON and OFF.
• The VOX (Voice-Operated Transmission) function tog-
gles between transmit and receive with your voice. This
function provides an opportunity to input log entries into
your computer, etc., while operating.
t HEADPHONE JACK [PHONES]
Accepts headphones.
• Output power: 5 mW with 8–16 Ω load.
• When headphones are connected, the internal speaker
or connected external speaker does not function.
• The MAIN and SUB band audio can be mixed or sepa-
rated when using stereo headphones according to set
mode settings. (p. 57)
y MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
•See p. 81 for appropriate microphones.
•See p. 15 for microphone connector information.
u MIC GAIN CONTROL [MIC GAIN]
Adjusts microphone input gain.
✔
How to set the microphone gain.
Set the [MIC] control so that the [MAIN]/[SUB] indicator (ALC
indicator) some times lights brighter during normal voice
transmission in SSB mode.
i RF POWER CONTROL [RF PWR]
Continuously varies the RF output power from min-
imum to maximum.
144 MHz band 5–100 W
430(440) MHz band 5–75 W
1200 MHz band 1–10 W
(optional UX-910)
