User's Manual

59
4
RECEIVE AND TRANSMIT
N2449FUNCTIONS#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)NTHE2449MODEPUSH;-%.5=TODISPLAYTHEh-v
screen (Menu 1).
w0USH;2449=&TODISPLAYTHEh2449vSCREEN
e0USH;&=$%#TOTURN/.THE2449DECODER
 s2449DECODERSCREENAPPEARS
r Push [F-2] to turn ON the Hold function to hold the
current screen.
shH” appears when this function is turned ON.
 s0USH;&=AGAINTOTURN/&&THE(OLDFUNCTION
t Hold down [F-3] for 1 second to clear the displayed
characters.
shH” disappears at the same time as the displayed char-
acters are cleared. (The hold function is cancelled.)
y Push [MENU] to return to the previous display.
s3ETTINGTHEDECODERTHRESHOLDLEVEL
If some characters are displayed when no signal is re-
CEIVEDADJUSTTHE2449DECODERTHRESHOLDLEVEL
q3ELECT THE 2449 DECODER SCREEN AS DESCRIBED
above.
w Push [F-1](ADJ) to select the threshold level adjust-
ment mode.
e2OTATE;-!).$)!,=TOADJUSTTHE2449DECODER
threshold level.
 s(OLDDOWN;&=FOR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24493ETMODEP
AGC DUP 1/4 RTTY S C P
M1
DEC TPF SET
RTTY
DEC
45BPS BAUDOT
MK ⁄ SFT 2125 ⁄ 170
F2 : HOLD F3 : CLR
ADJ
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
ADJ
Threshold level display
Push