RTTY / ASCII
43
Once you have entered either the RTTY or ASCII Mode, the shift may be changed by using the
Ctrl-C S directive. This will sequentially step through the available shifts – 170, 425, 850 and MO-
DEM. Initially, the KAM will enter the RTTY or ASCII Mode using the shift set in the SHIFT com-
mand. Pressing the Ctrl-C S directive would change the shift and display a message showing the
new shift:
-425 SHIFT-
Summary of RTTY/ASCII Directives
Ctrl-L Send LETTERS shift character
Ctrl-N Send FIGURES shift character
Ctrl-C S Change shift (170, 425, 850 or MODEM)
Ctrl-C I Toggle invert mark and space signals received from radio
Ctrl-C T Enter transmit mode
Ctrl-C E Enter receive mode when transmit buffer is empty
Ctrl-C R Enter receive mode immediately
Ctrl-C X Leave current mode and return to cmd: prompt (packet)
Ctrl-C
n
where
n
is a number (0–9) Changes current baud rate according to the following
chart:
n
BAUD RATE WPM
1 45 60
2 50 67
3 57 75
4 75 100
5 100 132
6 110 147
7 150 200
8 200 267
9 300 400
Ø rbaud/ascbaud