ICOM IC-7700 User Manual

1-4

!7

NOISE REDUCTION LEVEL CONTROL [NR]
(inner control; p. 5-17)
Adjusts the DSP noise reduction level when the
noise reduction function is in use. Set for maximum
readability.

• To use this control, push 

.

!8

NOISE BLANKER CONTROL [NB]
(outer control; p. 5-16)
Adjust the noise blanker threshold level.

• To use this control, push 

.

!9

(p. 5-11)

➥

Push to toggle [AGC] control usage ON and OFF.

• Use [AGC] control to set the AGC time constant when

switched ON.

• The [AGC VR] indicator above this switch lights

green when the control is ON.

➥

Turns the AGC function OFF when pushed and
held for 1 sec.

@0

USB (Universal Serial Bus) CONNECTOR [USB]
(p. 2-4)

➥

Insert USB-Memory* for both reading/storing a
wide variety of the transceiver’s information and
data. 

• The indicator above the connectors lights or blinks

when the transceiver reads or writes to the memory
data.

• Unmount operation is necessary before removing the

USB-Memory* (p.12-25).

➥

Connects a PC keyboard for RTTY and PSK31
operations.

• USB keyboard* is supported.
*: USB-Memory or USB keyboard is not supplied by

Icom.

@1

(p. 5-17)

Push to switch DSP noise reduction ON and OFF.

• The [NR] indicator above this switch lights green when

the function is activated.

@2

AF CONTROL [AF] (inner control; p. 3-9)
Varies the audio output level of the speaker or
headphones.

NB

NR

Audio output
increases

Audio output

decreases

Deep

Shallow

Increases

Decreases

i7700

!7

!8

!9

@2 @3

@5

#2

@6

@7

@8

@9

#0

#1

@4

@0 @1

■