Operating ssb, Dconvenient functions for receive – Icom IC-7700 User Manual

Page 54

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4-2

Operating SSB

q

Push a band key to select the desired band.

w

Push

to select LSB or USB.

• “USB” or “LSB” appears.
• Below 10 MHz LSB is automatically selected; above

10 MHz USB is automatically selected.

e

Rotate the main dial to tune a desired signal.

• The S-meter indicates received signal strength when a

signal is received.

r

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

t

Push

or [PTT] (microphone) to transmit.

• [TX] indicator lights red.

y

Speak into the microphone at your normal voice
level.

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

necessary.

u

Push

or release [PTT] (microphone) to

return to receive.

TRANSMIT

TRANSMIT

SSB

4

RECEIVE AND TRANSMIT

• Preamp (p. 5-9)

Push [P.AMP]

(MF3)

several times to set the pre-

amp OFF, preamp 1 ON or preamp 2 ON.

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

preamp 2 is ON, respectively.

• Attenuator (p. 5-9)

Push [ATT]

(MF4)

several times to set the attenu-

ator in 6 dB steps.

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

attenuator function OFF.

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

ator is ON.

• Noise blanker (p. 5-16)

Push

to turn the noise blanker ON and

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

• Noise blanker indicator (above

switch) lights

when the noise blanker is ON.

• Push and hold

for 1 sec. to enter noise blanker

set mode.

• Twin PBT (passband tuning) (p. 5-12)

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

• PBT indicator (above

switch) lights when

PBT is in use.

• Push and hold

for 1 sec. to clear the settings.

• 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.

• Noise reduction (p. 5-17)

Push

to turn the noise reduction ON and

OFF.

• Rotate [NR] control to adjust the noise reduction

level.

• Noise reduction indicator (above

switch) lights

when the noise reduction is ON.

• Notch filter (p. 5-18)

Push

to turn the auto or manual notch

function ON and OFF.

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

for manual notch operation.

• Notch indicator (above

switch) lights when

either the auto or manual notch is ON.

• AGC (auto gain control) (p. 5-11)

Push [AGC]

(MF5)

switch several times to select

AGC FAST, AGC MID or AGC SLOW.

Push

to turn the AGC time constant

manual setting ON and OFF.

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

• VSC (voice squelch control) (p. 9-3)

Push [VSC]

(MF7)

to turn the VSC function ON

and OFF.

• The VSC indicator appears when the voice squelch

function is set to ON.

AGC VR

NOTCH

NOTCH

NR

NR

PBT-CLR

PBT-CLR

NB

NB

NB

D

D

Convenient functions for receive

[MIC]

[TX] indicator [RX] indicator

[AF]

Main dial

Band keys

SSB

TRANSMIT

Appears

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