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PANEL DESCRIPTION
1
keyer in CW.
or when very strong electric fields, such as from a
VA
broadcasting station are near your location.
While in SSB mode
- The attenuator can be used on one band only or both
Compression
Compression
bands according to the selection in set mode with the
level decreases
| level
increases
[ATT] switch. (p. 49)
'
O
-e~
While in CW mode
g OFF
O
ON
ATT
ATT
Keyer speed / © \, Keyer speed
decreases
compncey '"OTPASES
® NOISE BLANKER SWITCH [NB] (p. 22)
Turns both band's noise blankers ON and OFF. The
noise blanker reduces pulse-type noise such as that
@ SPEECH COMPRESSOR SWITCH [COMP]
generated by automobile ignition systems. This
(p. 25)
function cannot be used for FM, or non-pulse-type
Turns the speech compressor ON and OFF. The
noise.
speech compressor compresses the transmitter
- The noise blanker functions for both bands simultane-
audio input to increase the average audio output
ously.
level. Therefore, talk power is increased. This func-
T
tion is effective for long distance communication or
O
-0L
when propagation conditions are poor.
go OFF
B
ON
- The
compression
level can
be adjusted with the
NB
NB
[COMP/KEY] control as above.
px
y
@ MICROPHONE CONNECTOR [MIC]
TIN
Accepts the supplied or optional microphone.
o
OFF
U
ON
- See p. 56 for appropriate microphones.
COMP
COMP
- See p. 9 for microphone connector information.
© AGC SWITCH [AGC] (p. 23)
l
@® HEADPHONE JACK [PHONES]
Changes the time constant of the main band AGC
Accepts headphones.
circuit. The AGC controls receiver gain to produce
- The main and sub band audio can be mixed or sepa-
a constant audio output level oe
when the re-
rated when using stereo headphones using set mode
ceived signal strength is varied by fading, etc. Use
with the [M/S] switch. (p. 44)
AGC slow for normal operation and select AGC fast
- When headphones are connected, the internal speaker
depending on the receiving condition.
or connected external speaker does not function.
- AGC does not function in FM mode.
- Sub band AGC is fixed depending on mode.
4-16 Q
W
(© (Main band)
headphone
=n"
eortteee,
jeer
oe
ee
oO
-@~
0o SLOW
(|) Fast
AGC
AGC
© PREAMP SWITCH [PREAMP] (p. 23)
® (Sub band)
Turns an optional preamplifier, AG-25 or AG-35, ON
and OFF.
- The transceiver applies DC voltage to the antennas
when this switch is turned ON. Therefore, this switch
eas be set to OFF when no preamplifier is con
C]
seeing
- The preamplifier can be used on one band, both bands
or neither according to the selection in set mode with the
[PREAMP] switch. (p. 49)
O
`<
g OFF
©) ON
PREAMP
PREAMP
@® TRANSMIT SWITCH [TRANSMIT]
Selects transmitting or receiving.
ECZ.
Transmitting
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