54
4
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 con-
troller (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.
w Select
S
-
1
.
e Push [F-2
DEC
] momentarily to turn the RTTY de-
coder ON.
•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.
•“H” appears while the function is in use.
t Push [
Y
(
MENU
/
GRP
)] to toggle the normal or wide
screen space.
y Push [F-1
HLD
] for 1 sec. to clear the displayed
characters.
u Push [
Z
(
MENU
/
GRP
)] to exit the RTTY decoder
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.
•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
.
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 set-
ting condition.
e Rotate [DIAL] to adjust the RTTY decoder thresh-
old level.
•Push [F-4
DEF
] for 1 sec. to select the default condi-
tion.
r Push [
Z
(
MENU
/
GRP
)] to exit the RTTY decoder
screen.
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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