Icom IC-7700 User Manual

4-4
■ Operating CW
q Push a band key to select the desired band.
w Push
CW
to select CW.
 •AfterCWmodeisselected,push
CW
to toggle be-
tween CW and CW-R modes.
 •“CW”or“CW-R”appears.
e Rotate the main dial to tune a desired signal.
 •Trytomatchthedesiredsignal’stonetothesidetone
frequency.
 •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.
 •[TX]indicatorlightsred.
y Use the electric keyer or paddle to key your CW
signals.
 •The powermeter indicates transmittedCWoutput
power.
u Adjust CW speed with [KEY SPEED].
 •Adjustablewithin6–48WPM.
i Push
TRANSMIT
to return to receive.
4
RECEIVE AND TRANSMIT
• Preamp (p. 5-10)
➥ Push [P.AMP]
(MF3) several times to set the
preamp OFF, preamp 1 ON or preamp 2 ON.
•Hold down [P.AMP] (MF3) for 1 second to turn the
preamp function OFF.
•“P.AMP1” or“P.AMP2” appears when the preamp 1
or preamp 2 is ON.
• Attenuator (p. 5-10)
➥ Push [ATT]
(MF4) several times to set the attenu-
ator in 6 dB steps.
•Hold down [ATT] (MF4) for 1 second to turn the
attenuator function OFF.
•“ATT”andattenuationlevelappearwhentheattenu-
ator is ON.
• Noise blanker (p. 5-17)
➥ Push
NB
to turn the noise blanker ON or
OFF, and then rotate [NB] control to adjust the
threshold level.
•Noise blanker indicator (above
NB
switch) lights
when the noise blanker is ON.
•Holddown
NB
for 1 second to enter noise blank-
er set mode.
• Noise reduction (p. 5-18)
➥ Push
NR
to turn the noise reduction ON or
OFF.
•Rotate [NR] control to adjust the noise reduction
level.
•Noisereductionindicator(above
NR
switch) lights
when the noise reduction is ON.
• Twin PBT (passband tuning) (p. 5-13)
➥ Rotate [TWIN PBT] controls (inner/outer).
•PBTindicator(above
PBT-CLR
switch) lights when
PBT is in use.
•Hold down
PBT-CLR
for 1 second to clear the set-
tings.
• Manual notch filter (p. 5-19)
➥ Push
NOTCH
to turn the manual notch func-
tion ON or OFF.
•Rotate [NOTCH] control to set the attenuating fre-
quency.
•Notchindicator(above
NOTCH
switch) lights when
the manual notch is ON.
• AGC (auto gain control) (p. 5-12)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push
AGCVR
to turn the AGC time constant
manual setting ON or OFF.
•Rotate[AGC]controltoadjustthetimeconstant.
•
1
⁄4 function (p. 3-6)
➥ Push [1/4] to turn the
1
⁄4 function ON or OFF.
• Auto tuning function (p. 5-22)
➥ Push [AUTOTUNE] to turn the auto tuning func-
tion ON or OFF.
•Thetransceiverautomaticallytunesthe desired sig-
nal within a ±500 Hz range.
IMPORTANT!
When receiving a weak signal, or receiving a signal
with interference, the automatic tuning function may
not tune properly, or tune onto an undesired signal.
D Convenient functions for receive
[KEY SPEED] [TX] indicator [RX] indicator
[AF] Main dial
Band keys
CWTRANSMIT
Appears

Icom IC-7700 Specifications

General

Brand	Icom
Model	IC-7700
Category	Transceiver
Language	English