User manual

1892 1335 - Orion Radio Modem Operating Instructions - v1.3 / Aug 2006 27
ATI10=0
Turn all test modes off
ATI10?
Return whether any test
is active
0 or 1
0 = no tests active
1 = one or more tests
active
ATO
End command mode (Letter O, not zero).
ATPF=n
Set packet length in TP
mode
n=1 to 52 n*12 bytes
ATPF?
Get packet length in TP
mode
12 to 624 bytes
ATPRT=
Set number of retries in
TP mode
2 to 19
ATPRT?
Get number of retries in
TP mode
ATPT=
Set TX delay
2 to 29 ms
ATPT?
Read TX delay
ATRXOFF=
Set TX to RX frequency
offset
+xx.xxxxxx
MHz
+ for TX higher than RX
- for TX lower than RX
ATRXOFF?
Get TX to RX frequency
offset
ATS154=
Guard time
0 to 255 ms
ATS154?
Read Guard time
ATS155=
Set centre frequency
nnn.nnnnn MHz
ATS155?
Read centre frequency
ATS156?
Get RSSI 0 to 1023 RSSI
ATS157=
Set Channel number
+0 to 99 Channels
ATS157?
Get Channel number
ATS158?
Get data quality
??? (XXX if
not available
Data Quality
ATS160=
Set Power level
0 or 1
0=Low, 1= High power
(meaning depends on
radio fitted)
ATS160?
Get Power level
ATS161=
Set Channel step
(spacing)
0 6.25kHz
1 10kHz
2 12.5kHz
ATS161?
Get Channel step
3 20kHz
4 25kHz
ATS162=
Set test message
repeat period
1 to 255 n*10ms
ATS162?
Get test message
repeat period
ATS163=
Set Symbol rate
1
symbols/
s 2400
baud/s 4800
2 4800 9600
ATS163?
Get Symbol rate
3 9600 19200
ATS165=
Set Number of
preambles
1 to 9
ATS165?
Get Number of
preambles
ATS166=
Set Sync tolerance
0 0 mismatches
1 2 mismatches