Icom IC-7700 [75/216] D functions for the psk decoder indication

Icom IC-7700 [75/216] D functions for the psk decoder indication
4-23
DD
Functions for the PSK decoder indication
q Push a band key to select the desired band.
w Push to select PSK.
After PSK mode is selected, push and hold
for 1 sec. to toggle between PSK and PSK-R modes.
“PSK” or “PSK-R” appears.
e Push [DECODE] to display the decode screen.
When tuned into a PSK signal, decoded characters are
displayed in the RX contents screen.
r
Push [HOLD/CLR] to freeze the current screen.
•“ ” appears while the function is in use.
Push [HOLD/CLR] again to release the function.
t Push and hold [HOLD/CLR] for 1 sec. to clear
the displayed characters.
“” indicator disappears at the same time when the
hold function is in use.
y Push [AFC/NET] 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 PSK decode set
mode. (p. 4-26)
u Push [AFC/NET] again to turn the NET func-
tion ON.
•“ ” appears additionally.
i Push and hold [AFC/NET] for 1 sec. to add
the offset frequency to the displayed frequency.
o Push [WIDE] to toggle the PSK decode
screen size from normal and wide.
S/RF meter type during wide screen indication can be
selected in display set mode. (pgs. 3-11, 12-10)
!0 Push to close the PSK decode screen.
DD
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] to select the threshold level set-
ting condition.
e Rotate the main dial to adjust the PSK decoder
threshold level.
Push and hold [DEF] for 1 sec. to select the de-
fault setting.
r Push [ADJ] to exit from the threshold level set-
ting condition.
F-5
F-6
F-5
EXIT/SET
F-7
F-3
NET
F-3
NOTE: The AFC function may not tune the signal
properly when a weak PSK signal is received.
AFC
F-3
HOLD
F-2
F-2
HOLD
F-2
F-3
RTTY/PSK
RTTY/PSK
• 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
RECEIVE AND TRANSMIT

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