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37
5
RECEIVE AND TRANSMIT
■
Speech compressor
The RF speech compressor increases average RF
output power, improving signal strength and readabil-
ity in SSB.
• Speech compressor
q
Select USB or LSB mode.
w
Push [COMP] momentarily to turn the speech
compressor ON and OFF.
e
Push [COMP] for 2 sec. to toggle between narrow,
middle or wide transmit filter.
• Transmit filter width:
NAR
2.0 kHz
MID
2.6 kHz
WIDE
2.9 kHz
• Compression level setting
q
Select USB or LSB mode.
w
Preset the transceiver as follows:
[COMP] function
: OFF
[METER] function
: ALC
[MIC GAIN] control
: Center position
[COMP] control
: Center position
[RF POWER] control : Max. counterclockwise
e
Transmit at your normal voice level.
r
Adjust the [MIC GAIN] control so that the ALC
meter reads within the ALC zone, whether or not
you speak softly or loudly.
t
Push [COMP] momentarily to turn the speech
compressor ON.
y
Push [METER] once to select the COMP meter.
u
Adjust the [COMP] control so that the COMP
meter reads within 10 dB and 20 dB.
When the ALC meter peaks above the ALC zone,
your transmitted voice may be distorted.
[METER] switch
[COMP] switch
[MIC GAIN] control
[COMP] control
[RF POWER] control
SWR
S
COMP
ALC
Po
0
10
10
25 50
100
20
1
0
1.5
2
3
1
5
9
+ 20
+ 40
+ 60dB
dB
COMP meter