ICOM IC-703 Manual Do Utilizador

D

D

4

27

■ Operating SSB

q Push

[

(

Y)

BAND]/[

(

Z)

BAND] to select the desired

band

.

w Push [MODE] momentarily or push for 1 sec. to se-

lect LSB or USB mode.

• Below 10 MHz LSB is automatically selected; above

10 MHz USB is automatically selected.

e Rotate [AF] control to set audio to a comfortable lis-

tening level.

r Rotate the main dial to tune a desired signal.

• S-meter indicates received signal strength.

t Push [PTT] (microphone) to transmit.

• The TX indicator lights red.

y Speak into the microphone at your normal voice

level.

• Adjust ‘MIC GAIN’ at this step, if necessary. (p. 26)

u Release [PTT] (microphone) to return to receive.

M1 SPL A/B XFC

[TX] indicator [MODE]

Main dial

[AF]

[

Y]

[

Z]

“LSB” or “USB” appears

• Preamp and attenuator (p. 46)

➥ Push [P.AMP/ATT] momentarily to set the preamp

ON or OFF.

• Lights green when the preamp is set to ON.

➥ Push [P.AMP/ATT] for 1 sec. to set the attenuator

ON.

• Push [P.AMP/ATT] momentarily to turn the attenua-

tor OFF.

• Lights red when the attenuator is set to ON.

• Noise blanker (p. 48)

➥ While “M3” is selected, push [

(F-2)

NB] to turn the

noise blanker ON and OFF.

• Push [DISPLAY] once or twice to select 

M.

• Push [MENU] one or more times to select 

M3.

• “NB” appears when the noise blanker is set to ON.
• Push [

(F-2)

NB] for 1 sec. to enter the noise blanker

set mode.

• IF shift (p. 47)

➥ Rotate [SHIFT] control.

• AGC (auto gain control) (p. 48)

➥ While “M4” is selected, push [

(F-3)

AGC] to select

AGC fast and AGC slow.

• Push [DISPLAY] once or twice to select 

M.

• Push [MENU] one or more times to select 

M4.

• “F

AGC

” appears when the fast time constant is se-

lected.

• Noise reduction (p. 50)

➥ While “S4” is selected, push [

(F-2)

NR] to turn the

noise reduction ON and OFF.

• Push [DISPLAY] once or twice to select 

S.

• Push [MENU] one or more times to select 

S4.

• Push [(F-3)

NRL] then rotate [M-CH] to adjust the

noise reduction level.

• “NR” appears when the noise reduction is set to ON.

• Auto notch filter (p. 50)

➥ While “S4” is selected, push [

(F-1)

ANF] to turn the

auto notch filter function ON and OFF.

• “ANF” appears when the noise reduction is set to

ON.

• Speech compressor (p. 54)

➥ While “M4” is selected, push [

(F-2)

COM] to turn

the speech compressor ON and OFF.

• Push [DISPLAY] once or twice to select 

M.

• Push [MENU] one or more times to select 

M4.

• “COM” appears when the speech compressor is set

to ON.

• Push [

(F-2)

COM] for 1 sec. to enter the compression

level set mode.

• Carrier frequency control (p. 75)

➥ While “Q3” is selected, rotate main dial to adjust

the audio tone.

• Push [DISPLAY] for 1 sec. to enter the quick set

mode.

• Push [MENU] one or more times to select 

Q3.

• VOX (voice operated transmit) (p. 53)

➥ While “M4” is selected, push [

(F-1)

VOX] to turn

the VOX function ON and OFF.

• Push [DISPLAY] once or twice to select 

M.

• Push [MENU] one or more times to select 

M4.

• “VOX” appears when the VOX function is set to ON.
• Push [

(F-1)

VOX] for 1 sec. to enter the VOX set mode.