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RECEIVE AND TRANSMIT
4
D Function for the RTTY decoder indication
The transceiver has an RTTY decoder for Baudot
(mark freq.: 2125 Hz, shift freq.: 170 Hz, 45 bps).
An external terminal unit (TU) or terminal node controller (TNC) is not necessary for receiving a Baudot
signal.
q Push [MODE] momentarily to select RTTY mode.
• After RTTY mode is selected, push [MODE] for 1 sec.
to toggle between RTTY and RTTY-R modes.
[MENU/GRP] [F-1] [F-2]
w Select S-1.
• Push and hold [MENU/GRP] for 1 sec. once or twice
to select the menu group S.
• Push [MENU/GRP] momentarily one or more times to
select the menu S-1.
e Push [F-2 DEC] momentarily to turn the RTTY decoder ON.
RTTY tuning meter
• When tuned into an RTTY signal, decoded characters
are displayed in the RTTY decoder screen.
r Push [F-1 HLD] momentarily to freeze the current
screen.
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• “H” appears while the function is in use.
Y(MENU/GRP)] to toggle the normal or wide
t Push [Y
screen space.
y Push and hold [F-1 HLD] for 1 sec. to clear the displayed characters.
Z(MENU/GRP)] to exit the RTTY decoder
u Push [Z
screen.
The transceiver has an RTTY tuning iindicator to
make correct tuning easier.
The RTTY tuning meter is automatically displayed
when the RTTY decoder is turned ON.
D Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.
q Call up the RTTY decoder screen as described
above.
w Push [F-3 ADJ] to select the threshold level setting condition.
e Rotate [DIAL] to adjust the RTTY decoder threshold level.
• Push and hold [F-4 DEF] for 1 sec. to select the default condition.
Z(MENU/GRP)] to exit the RTTY decoder
r Push [Z
screen.
[MENU/GRP]
[F-3]
[F-4]
[DIAL]
The UnShift On Space (USOS) function and new
line code can be set in the RTTY decode set mode.
(p. 55)
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