ICOM ic-756pro3 사용자 설명서

RECEIVE AND TRANSMIT

Convenient functions for receive

■

Operating CW

q Push a band key to select the desired band.
w Push

[CW/RTTY]

to select CW.

• After CW mode is selected, push

[CW/RTTY]

for 1 sec.

to toggle between CW and CW-R modes.

• “CW” or “CW-R” appears.

e Rotate the tuning dial to simultaneously tune a de-

sired signal and its side tone.

• The S-meter indicates received signal strength when

signal is received.

r Rotate

[AF]

to set audio to a comfortable listening

level.

t Push

[TRANSMIT]

to transmit.

• The TX indicator lights red.

y Use the electric keyer or paddle to key your CW sig-

nals.

• The power meter indicates transmittted CW output

power.

u Adjust CW speed with

[KEY SPEED]

• Adjustable within 6-60 WPM.

i Push

[TRANSMIT]

to return to receive.

[CW/RTTY]

[AF] [KEY SPEED]

Tuning dial

[TRANSMIT] [TX] indicator [RX] indicator Band keys

• Preamp

(p. 57)

➥ Push

[P.AMP]

several times to set the preamp

OFF, preamp 1 ON or preamp 2 ON.

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

preamp 2 is set to ON, respectively. (depending on
operating frequency band)

• Attenuator

(p. 57)

➥ Push

[ATT]

several times to set the attenuator in

6 dB steps.

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

tor is set to ON.

• Noise blanker

(p. 64)

➥ Push

[NB]

switch to turn the noise blanker ON

and OFF.

• Noise blanker indicator (in

[NB]

switch) lights when

the noise blanker is set to ON.

➥ Push

[NB]

for 1 sec. to enter the noise blanker

level set mode, then rotate the tuning dial to ad-
just the threshold level.

• Twin PBT (passband tuning)

(p. 60)

➥ Rotate

[TWIN PBT]

controls (inner/outer).

• Push

[PBT CLR]

to clear the settings.

• Noise reduction

(p. 65)

➥ Push

[NR]

switch to turn the noise reduction ON

and OFF.

• Rotate

[NR]

control to adjust the noise reduction level.

• Noise reduction indicator (in

[NR]

switch) lights when

the noise reduction is set to ON.

• Notch filter

(p. 64)

➥ Push

[NOTCH]

switch to turn the manual notch

function ON and OFF.

• Rotate

[NOTCH]

control to set the attenuating fre-

quency for manual notch operation.

• Notch indicator (in

[NOTCH]

switch) lights when the

manual notch is set to ON.

• AGC (auto gain control)

(p. 59)

➥ Push

[AGC]

switch several times to select

AGC FAST, AGC MID or AGC SLOW.

➥ Push

[AGC]

for 1 sec. to enter the AGC set

mode.

• Rotate the tuning dial to adjust the time constant.

•

⁄

function

(p. 27)

➥ Push

[1/4]

to turn the

⁄

function ON and OFF.