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59
4
RECEIVE AND TRANSMIT
N
2449FUNCTIONS#ONTINUED
D
RTTY decoder
4HE TRANSCEIVER HAS AN 2449 DECODER FOR "AUDOT
(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
)NTHE2449MODEPUSH;-%.5=TODISPLAYTHEh-v
screen (Menu 1).
w
0USH;2449=& TODISPLAYTHEh2449vSCREEN
e
0USH;&=$%# TOTURN/.THE2449DECODER
s2449DECODERSCREENAPPEARS
r
Push [F-2] to turn ON the Hold function to hold the
current screen.
sh
H
” appears when this function is turned ON.
s0USH;&=AGAINTOTURN/&&THE(OLDFUNCTION
t
Hold down [F-3] for 1 second to clear the displayed
characters.
sh
H
” disappears at the same time as the displayed char-
acters are cleared. (The hold function is cancelled.)
y
Push [MENU] to return to the previous display.
s3ETTINGTHEDECODERTHRESHOLDLEVEL
If some characters are displayed when no signal is re-
CEIVEDADJUSTTHE2449DECODERTHRESHOLDLEVEL
q
3ELECT THE 2449 DECODER SCREEN AS DESCRIBED
above.
w
Push [F-1](ADJ) to select the threshold level adjust-
ment mode.
e
2OTATE;-!).$)!,=TOADJUSTTHE2449DECODER
threshold level.
s(OLDDOWN;&=FORSECONDTORESETTOTHEDEFAULTSET
-
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
CANBESETINTHE24493ETMODEP
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