Icom IC-7700, Инструкция по эксплуатации

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4-15
D Functions for the RTTY decoder display
q
Push a band key to select the desired band.
w
Push RTTY/PSK to select RTTY.
• After RTTY mode is selected, hold down
RTTY/PSK
for
1 second to toggle between RTTY and RTTY-R modes.
• “RTTY” or “RTTY-R” appears.
e
Push [DECODE]
F-3
to display the decode
screen.
• When tuned into an RTTY 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 [WIDE] F-7 to toggle the RTTY 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)
u
Push EXIT/SET to close the RTTY decode screen.
• Wide screen display
D
Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.
q
Select the RTTY 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 RTTY 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.
The UnShift On Space (USOS) function and new
line code can be set in the RTTY set mode.
(p. 4-18)
RTTY/PSK EXIT/SET
F-7
WIDE
F-2
HOLD/CLR
4
RECEIVE AND TRANSMIT