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59
4
RECEIVE AND TRANSMIT
■
RTTY functions (Continued)
D
RTTY decoder
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-
nector (TNC) is not necessary for receiving a Baudot
signal.
q
In the RTTY mode, push [MENU] to display the “M1”
screen (Menu 1).
w
Push [RTTY](F-4) to display the “RTTY” screen.
e
Push [F-2](DEC) to turn ON the RTTY decoder.
• RTTY decoder screen appears.
r
Push [F-2] to turn ON the Hold function to hold the
current screen.
• “
H
” appears when this function is turned ON.
• Push [F-2] again to turn OFF the Hold function.
t
Hold down [F-3] for 1 second to clear the displayed
characters.
• “
H
” disappears at the same time as the displayed char-
acters are cleared. (The hold function is cancelled.)
y
Push [MENU] to return to the previous display.
• Setting the decoder threshold level
If some characters are displayed when no signal is re-
ceived, adjust the RTTY decoder threshold level.
q
Select the RTTY decoder screen as described
above.
w
Push [F-1](ADJ) to select the threshold level adjust-
ment mode.
e
Rotate [MAIN DIAL] to adjust the RTTY decoder
threshold level.
• Hold down [F-3] for 1 second to reset to the default set
-
ting, if desired.
r
Push [MENU] to return to the previous display.
The number of the decoder display lines, the Un-
Shift On Space (USOS) function and new line code
can be set in the RTTY Set mode. (p. 60)
AGC
D U P
1 / 4
RTTY
S C P
M1
D E C
T P F
S E T
RTTY
DEC
45BPS
BAUDOT
MK ⁄ SFT
2125 ⁄ 170
F2 : HOLD
F3 : CLR
A D J
H
Appears when the Hold function
is turned ON.
Push
Push
DEC
45BPS
BAUDOT
MK ⁄ SFT
2125 ⁄ 170
F2 : HOLD
F3 : CLR
≈
9
DEC
45BPS
BAUDOT
MK ⁄ SFT
2125 ⁄ 170
F2 : HOLD
F3 : CLR
A D J
Threshold level display
Push