SCS PTC-IIex, Manual

Page: 81 / 220

6 Commands
The upper/lower case convention is activated with the command
NUL
1. This method is
fully compatible to the AMTOR system without case switching, but slightly reduces the
already slow transmission speed. Switching is disabled with the command
NUL
0.
6.67 OFF
Switches off the PTC-IIex. With signals on the RS232 link the (e.g. one or more
<return>) it switches on again.
6.68 PACket
The
PACket
command, or
PAC
for short, switches on PTC-IIex Packet radio commands,
the input command prompt having the form
pac:
, and the Packet radio commands are
then valid (refer to chapter 9 , page 113 ).
The
PACket
command can also have a single command from the
pac:-
menu as
argument. As with the other sub menus of the PTC-IIex, it is also possible to pass through
direct commands this way.
Switch of the Packet Radio listen – without entering the
pac:-
menu previously:
cmd:
PAC
M 0 <Return>
6.69 PDTimer
Default setting: 12
Parameter: X 2... 30, PACTOR Duplex BREAKIN time in seconds.
Defines the PACTOR Duplex BREAKIN time. This is the minimum time the PTC has to
be in IRS state (data receiving), until a BREAKIN is sent automatically in the case that
own transmission data are available, and
takes the keys .
The
PDTimer
value is only valid in the PACTOR Duplex mode (
PDuplex
is set to 1).
6.70 PDuplex
Default setting: 0
Parameter: 0 PACTOR Duplex switched off.
1 PACTOR Duplex switched on.
PACTOR Duplex offers an intelligent CHANGEOVER automatic. For further informa-
tion about PACTOR Duplex refer to chapter
5.9.1 on page 31 .
6.71 Phase
Remote
Default setting: 0
Parameter: X -120... +120, phase correction in ppm.
Arguments are ignored when given from remote.
This command allows fine adjustment of the system clock, and displays the accumulated
phase correction during a PACTOR contact. As an argument of the
Phase
command
67