Icom IC-7600

60
4
RECEIVE AND TRANSMIT
4
D Functions of the PSK decoder display
EXIT/SET
F-3 F-6F-5
Band keys
F-2
RTTY/PSK
HOLD/CLR
WIDEDECODE AFC/NET
• AFC/NET indicators
Main dial
F-4 F-5
DEFADJ
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select PSK.
• After the PSK mode is selected, hold down
[RTTY/PSK] for 1 second to toggle between the 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.
• “ ” 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.
• The “ ” indicator disappears at the same time as
the displayed characters are cleared. (The hold function
is cancelled.)
y Push [WIDE] (F-6) to toggle the PSK decode
screen size between normal and wide.
• S/RF meter type during wide screen display can be
selected in the display set mode. (p. 134)
u Push [AFC/NET] (F-5) to turn the AFC function
ON.
• “ ” 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 the PSK decode
set mode. (p. 63)
NOTE: The AFC function may not tune the signal prop-
erly when a weak PSK signal is received.
i Push [AFC/NET] (F-5) again to turn the NET
function ON.
• “ ” appears.
o Hold down [AFC/NET] (F-5) for 1 second to add
the offset frequency to the displayed frequency.
!0 Push [EXIT/SET] to close the PSK decode screen.
D Setting the decoder threshold level
Adjust the PSK decoder threshold level if some
characters are displayed when no signal is received.
q Call up the PSK decode screen as described
above.
w Push [ADJ] (F-4) to select the threshold level
setting condition.
e Rotate the main dial to adjust the PSK decoder
threshold level.
• Hold down [DEF] (F-5) for 1 second to select the
default setting.
r Push [ADJ] (F-4) to exit from the threshold level
setting condition.
“AFC” and “NET”
indicators
Offset frequency
Threshold level indicator bar