26 1892 1335 - Orion Radio Modem Operating Instructions - v1.3 / Aug 2006
AT&F= Set operating
frequency directly xxxx.xxxxxxx MHz
AT&F? Read operating
frequency
AT&W Save to EEPROM
AT&Y8 Restore factory
parameters
ATB0= Set serial baud rate 1 4800
2 9600
3 19200
ATB0? Read baud rate 4 38400
5 1200
6 2400
ATB1= Set parity 1even
2 odd
ATB1? Read parity 3 none
ATFC? Read channel spacing
(comparison frequency)
0FC = 6.25 kHz
1FC = 10.0 kHz
2FC = 12.5 kHz
3FC = 20 kHz
4FC = 25 kHz
ATFIF? Read IF frequency +xx.xxxxxxx
frequency in MHz
+ indicates IF osc above
operating frequency,
- indicates below
ATFLB? Read min operating
frequency xxxx.xxxxxxx MHz
ATFHB? Read max operating
frequency xxxx.xxxxxxx MHz
ATM= Set Orion mode
TS, TU, TP,
TR, TRR,
TSR, TUR,
TMR, TNT,
TMX, TNX,
TOM, TOS,
TOR, TOT,
TOX
See explanation of
codes on page ?
ATM? Read Orion mode
ATI2= Output Preamble (Test
mode) 0 or 1 off or on
ATI3= Output test message
(Test Mode) in TU
mode 0 or 1 off or on
ATI6= Transmit unmodulated
carrier 0 or 1 off or on
ATI7= Output Random Data
(Test mode) 0 or 1 off or on
ATIn? Report on ATIn test
status 0 or 1 off or active
ATI9? Output software
information text string