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CDM-Qx Satellite Modem Revision 4
Remote Control MN/CDMQx.IOM
C-49
C.5.9 Spectrum Analyzer Commands
Parameter
Type
Command
(Instruction
Code and
qualifier)
Arguments
for
Command or
Response to
Query
Description of arguments
Response to
Command
(Target to
Controller)
Query
(Instruction
Code and
Qualifier)
Response to query
(Target to
Controller)
Spectrum
Analyzer Mode
(applies to Rx
card)
SPM= 1 byte Command or Query
0=Off
1=On
SPM=
SPM?
SPM*
SPM#
SPM$
SPM^
SPM@
SPM? SPM=x
(see description of
arguments)
Spectrum
Analyzer Center
Frequency
(applies to Rx
card)
SPF= 9 bytes Command or Query
Tx Frequency, 950 to 1950 MHz (L-Band units)
50 to 90/100 and 180 MHz (70/140 MHz units)
Resolution = 100 Hz
Example: SPF=0050.9872
SPF=
SPF?
SPF*
SPF#
SPF$
SPF^
SPF@
SPF? SPF=xxxx.xxxx
(see description of
arguments)
Spectrum
Analyzer Span
(applies to Rx
card)
SPS= 1 byte Command or Query.
0 = 97.65625 kHz
1 = 195.3125 kHz
2 = 390.625 kHz
3 = 781.25 kHz
4 = 1.5625 MHz
5 = 3.125 MHz
6 = 6.25 MHz
7 = 12.5 MHz
SPS=
SPS?
SPS*
SPS#
SPS$
SPS^
SPS@
SPS? SPS=x
(see description of
arguments)