D Functions For The Rtty Decoder Indication; D Setting The Decoder Threshold Level - Icom IC-7800 Instruction Manual

D D Functions for the RTTY decoder indication
[F-6•MAIN/SUB] [F-7•WIDE]
[F-2•HOLD/CLR] [RTTY/PSK] [EXIT/SET]
• Wide screen indication
D D Setting the decoder threshold level
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select RTTY.
• After RTTY mode is selected, push [RTTY/PSK] 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.
• When tuned into an RTTY signal, decoded characters
are displayed in the RX contents screen.
r Push [F-2•HOLD/CLR] to freeze the current screen.
• " " appears while the function is in use.
HOLD
• Push [F-2•HOLD/CLR] again to release the function.
t Push [F-2•HOLD/CLR] for 1 sec. to clear the dis-
played characters.
•
" " indicator disappears at the same time when the
HOLD
hold function is in use.
y Push [F-7•WIDE] to toggle the RTTY 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, 12-11)
u Push [F-6•MAIN/SUB] to toggle the MAIN and SUB
band for decode operation.
• Dualwatch function (p. 5-16) should be ON when SUB
band is selected for decode operation.
i Push [EXIT/SET] to close the RTTY decode screen.
Adjust the RTTY decoder threshold level if some char-
acters are displayed when no signal is received.
q Select the RTTY decoder screen as described
above.
w Push [F-5•ADJ] to select the threshold level setting
condition.
e Rotate the main dial to adjust the RTTY decoder
threshold level.
• Push [F-6•DEF] for 1 sec. to select the default setting.
r Push [F-5•ADJ] to exit from the threshold level set-
ting condition.
The UnShift On Space (USOS) function and new
line code can be set in the RTTY set mode. (p. 4-
18)
4-15
RECEIVE AND TRANSMIT
4