4 RECEIVE AND TRANSMITOperating SSB

[MIC]

[TX] indicator [RX] indicator Band keys

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSMIT [AF]

SSB

Main dial

Appears

qPush a band key to select the desired band.

w Push SSB to select LSB or USB.

“USB” or “LSB” appears.

Below 10 MHz LSB is automatically selected; above 10 MHz USB is automatically selected.

eRotate the main dial to tune a desired signal.

The S-meter indicates received signal strength when a signal is received.

rRotate [AF] to set audio to a comfortable listening level.

tPush TRANSMIT or [PTT] (microphone) to transmit.

• [TX] indicator lights red.

ySpeak into the microphone at your normal voice level.

Adjust the microphone gain with [MIC] at this step, if necessary.

uPush TRANSMIT or release [PTT] (microphone) to return to receive.

DConvenient functions for receive
• Preamp (p. 5-9)

 

 

 

 

 

 

 

 

• Noise reduction (p. 5-17)

 

 

Push [P.AMP] (MF3) several times to set the pre-

Push

 

 

to turn the noise reduction ON and

 

NR

amp OFF, preamp 1 ON or preamp 2 ON.

OFF.

 

 

 

 

 

 

 

• “P.AMP1” or “P.AMP2” appears when the preamp 1 or

• Rotate [NR] control to adjust the noise reduction

preamp 2 is ON, respectively.

 

 

level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Noise reduction indicator (above

 

switch) lights

• Attenuator (p. 5-9)

 

 

 

 

 

NR

 

 

 

 

 

when the noise reduction is ON.

 

 

Push [ATT] (MF4) several times to set the attenu-

• Notch filter (p. 5-18)

 

 

ator in 6 dB steps.

 

 

 

 

 

 

 

• Push and hold [ATT] (MF4) for 1 sec. to turn the

Push

 

NOTCH

to turn the auto or manual notch

attenuator function OFF.

 

 

function ON and OFF.

 

 

• “ATT” and attenuation level appear when the attenu-

• Rotate [NOTCH] control to set the “valley” frequency

ator is ON.

 

 

 

 

 

 

 

 

for manual notch operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Notch indicator (above

 

switch) lights when

• Noise blanker (p. 5-16)

 

 

 

 

 

NOTCH

 

 

 

 

 

either the auto or manual notch is ON.

Push

NB

to turn the noise blanker ON and

• AGC (auto gain control) (p. 5-11)

OFF, and then rotate [NB] control to adjust the

threshold level.

 

 

 

 

 

Push [AGC] (MF5) switch several times to select

• Noise blanker indicator (above

 

 

switch) lights

AGC FAST, AGC MID or AGC SLOW.

 

NB

when the noise blanker is ON.

 

 

Push

AGC VR

to turn the AGC time constant

• Push and hold

 

for 1 sec. to enter noise blanker

manual setting ON and OFF.

 

 

NB

 

 

set mode.

 

 

 

 

 

 

 

 

• Rotate [AGC] control to adjust the time constant.

• Twin PBT (passband tuning) (p. 5-12)• VSC (voice squelch control) (p. 9-3)

Rotate [TWIN PBT] controls (inner/outer).

Push [VSC] (MF7) to turn the VSC function ON

• PBT indicator (above

 

PBT-CLR

switch) lights when

and OFF.

 

 

PBT is in use.

 

 

 

 

 

 

 

 

• The VSC indicator appears when the voice squelch

• Push and hold

 

PBT-CLR

 

for 1 sec. to clear the settings.

function is set to ON.

 

 

• Audio tone control (p. 12-4)

Push [F-7•SET] then [F-1•LEVEL] to enter level set mode. Select an item with [F-1•Y]/[F-2•Z] then rotate the main dial to adjust the audio tone.

4-2