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8-6
8
FUNCTIONS FOR TRANSMIT
■
Setting the transmit filter width (SSB only)
■
Setting the speech compressor (SSB only)
The transmit filter width for SSB mode can be selected
from wide, mid and narrow.
➥
Operating in the SSB mode, hold down [COMP](
)
for 1 second several times to set the desired transmit
filter width to Wide, Mid, or Narrow.
• The filter functions regardless of the speech compres
-
sor use.
•
The following filters are specified as the default. Each of the
filter width can be reset in the Level set mode.
WIDE: 100 Hz ~ 2.9 kHz
MID: 300 Hz ~ 2.7 kHz
NAR: 500 Hz ~ 2.5 kHz
The speech compressor increases average RF output
power, improving readability at the receiving station, in
only the SSB mode.
Push
q
the Mode key [SSB]
to select the USB or LSB
mode.
Push the Multi function [METER](
w
) key several
times to select the ALC meter.
Rotate [MIC] to adjust the microphone gain to a suit-
e
able level.
Push the Multi function [COMP](
r
) key.
The Speech compressor is turned ON.
e
Push [METER](
) several times to select the COMP
meter.
r
While speaking into the microphone at your normal
voice level, rotate the [COMP] control, so that the
COMP meter reads within the COMP zone (10 to
20 dB range), as shown to the right.
When the COMP meter peaks exceed the COMP
zone, your transmitted voice may be distorted.
t
Push [METER](
) several times to select the ALC
meter.
y
While speaking into the microphone at your normal
voice level, rotate the [DRIVE] control, so that the
ALC meter reads within the 30 to 50% range of the
ALC zone, as shown to the right.
✔
For your convenience
Hold down [METER](
) for 1 second to display the
multi-function meter to check the ALC and COMP level
at a glance.
•
Level set screen
S
1
0
0
0
1
2
5
10
10
10
20
44 52V
50
100 150 200
250
15
3
1.5
I
D
V
D
dB
W
A
Po
SWR
COMP
ALC
5
9
+
20
+
40
+
60dB
COMP zone
(
) Multi function keys
[COMP]
[DRIVE]
[MIC]
Mode keys
(
) Multi function keys
Mode keys
S
1
0
0
0
1
2
5
10
10
10
20
44 52V
50
100 150 200
250
15
3
1.5
I
D
V
D
dB
W
A
Po
SWR
COMP
ALC
5
9
+
20
+
40
+
60dB
Drive gain range