ICOM ic-756pro3 사용자 설명서
44
4
RECEIVE AND TRANSMIT
4
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Operating RTTY (FSK)
When using your RTTY terminal or TNC, consult the
manual that comes with the RTTY terminal or TNC.
manual that comes with the RTTY terminal or TNC.
q Push a band key to select the desired band.
w Push
w Push
[CW/RTTY]
to select RTTY.
• After RTTY mode is selected, push
[CW/RTTY]
for 1
sec. to toggle between RTTY and RTTY-R modes.
• “RTTY” or “RTTY-R” appears.
e Push
[(F-3)DECODE]
to display the decoder
screen.
• The IC-756PROIII has a Baudot decoder.
r Rotate the tuning dial to simultaneously tune a de-
sired signal.
• The S-meter indicates received signal strength when
signal is received.
t Push
[TRANSMIT]
to transmit.
• The TX indicator lights red.
y Type from the connected PC’s keyboard to enter
the contents that you want to transmit.
• The text color will be changed when transmitted.
• Press one of
• Press one of
[F-1]
to
[F-4]
to transmit the TX memory
contents.
u Push
[TRANSMIT]
to return to receive.
[CW/RTTY]
[AF]
Tuning dial
[TRANSMIT] [TX] indicator [RX] indicator Band keys
D
D
Convenient functions for receive
• 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)
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.
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.
• 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.
•
1
⁄
4
function
(p. 27)
➥ Push
[1/4]
to turn the
1
⁄
4
function ON and OFF.