Icom IC-7700 User Manual

4-23
D Functions for the PSK decoder display
q Push a band key to select the desired band.
w Push
RTTY/PSK
to select PSK.
 •AfterPSKmodeisselected,holddown
RTTY/PSK
for 1
second to toggle between PSK and PSK-R modes.
 •“PSK”or“PSK-R”appears.
e Push [DECODE]
F-3
to display the decode
screen.
 •WhentunedintoaPSKsignal,decodedcharactersare
displayed in the RX contents screen.
r Push [HOLD/CLR]
F-2
to freeze the current
screen.
 •“
HOLD
” appears while the function is in use.
 •Push[HOLD/CLR]
F-2
again to release the function.
t Hold down [HOLD/CLR]
F-2
for 1 second to clear
the displayed characters.
 •
“
HOLD
” indicator disappears at the same time when
the displayed characters are cleared. (The hold func-
tion is cancelled.)
y Push [AFC/NET]
F-3
to turn the AFC function
ON.
 •“
AFC
” appears.
 •IfaPSKsignalisreceivedwithintheAFCtuningrange,
the decoder automatically tunes into the signal and the
offset frequency is displayed.
 •TheAFCtuningrangeissetto±15Hzasthedefault.
Optional ±8 Hz setting is available in PSK decode set
mode. (p. 4-26)
NOTE: The AFC function may not tune the signal
properly when a weak PSK signal is received.
u Push [AFC/NET]
F-3
again to turn the NET func-
tion ON.
 •“
NET
” is displayed.
i Hold down [AFC/NET]
F-3
for 1 second to add
the offset frequency to the displayed frequency.
o Push [WIDE]
F-7
to toggle the PSK decode
screen size between normal and wide.
 •S/RFmetertypeduringwidescreendisplaycanbese-
lected in display set mode. (pp. 3-11, 12-10)
!0 Push
EXIT/SET
to close the PSK decode screen.
D Setting the decoder threshold level
Adjust the PSK decoder threshold level if some char-
acters are displayed when no signal is received.
q Call up the PSK decode screen as described
above.
w Push [ADJ]
F-5
to select the threshold level set-
ting condition.
e Rotate the main dial to adjust the PSK decoder
threshold level.
 •Holddown[DEF]
F-6
for 1 second to select the de-
fault setting.
r Push [ADJ]
F-5
toexitfromthethresholdlevel
setting condition.
• AFC/NET indications
“AFC” and “NET” indicators Offset frequency
RTTY/PSK EXIT/SET
F-7
WIDE
F-3
AFC/NET
F-2
HOLD/CLR
4
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Icom IC-7700 Specifications

General

Brand	Icom
Model	IC-7700
Category	Transceiver
Language	English