4
RECEIVING AND TRANSMITTING
4-12
Setting the Speech Compressor
SSB mode
The Speech Compressor increases the average RF
output power, improving readability at the receiving
station. This function compresses the transmitter
audio input to increase the average audio output level.
L
The function is effective for long-distance communication,
or when propagation conditions are poor.
1. Select the SSB mode.
(Example: USB)
2. Push
FUNCTION
.
•Opens the FUNCTION screen.
3. Be sure that the Speech Compressor is OFF.
L
If the Speech Compressor is ON, touch [COMP] to
turn it OFF.
FUNCTION screen (USB mode)
OFF
4. Touch
EXIT
to close the FUNCTION screen.
5. Touch the Multi-function meter to display the ALC
meter.
L
Touching the Multi-function meter sets the meter to
Po, SWR, ALC, COMP, V
D
or I
D
.
6. Adjust the MIC GAIN (p. 3-11) to where the ALC
meter reads within the 30 to 50% range of the
ALC zone.
7. Touch the Multi-function meter again to display
the COMP meter.
8. Push
FUNCTION
.
•Opens the FUNCTION screen.
9. Touch [COMP] to turn it ON.
10. Touch [COMP] for 1 second.
11. While speaking into the microphone at your
normal voice level, adjust the Speech Compressor
level to where the COMP meter reads within the
COMP zone (10 to 20 dB range).
L
When the COMP meter peaks exceed the COMP
zone, your transmitted voice may be distorted.
COMP zone
Speech Compressor is ON
Rotate
ALC meter
Previous view
