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CDM-600 Satellite Modem Revision 7
Remote Control MN/CDM600.IOM
16–31
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response
to
Command
Query
(Instruction
Code and
Qualifier)
Response to Query
Initialize
Events
Pointer
IEP= None Command only.
Resets internal pointer to allow RNE? queries to start at
the beginning of the stored events log.
IEP=
IEP#
N/A N/A
Rx Eb/No N/A 4 bytes Query only.
Unit returns the value of Eb/No, between 0 to 16 dB.
Resolution 0.1 dB.
Returns 99.9 if demod is unlocked.
Returns +016 for values greater than 16.0 dB.
Example EBN=12.3 (which is Eb/No = 12.3 dB)
N/A EBN? EBN=xxxx
(see description of
arguments)
Rx Signal
Level
N/A 5 bytes Query Only.
Unit returns the value of the Rx signal level, in dBm,
between –20 and –60 dBm.
If >-20dBm, returns RSL=GT-20 (GT means ‘greater
than’)
If in the range of –20 to –60dBm, returns RSL===-xx
If <-60 dBm, returns RSL=LT-60 (LT means ‘less
than’)
Example: RSL=== -45 (which is –45 dBm)
N/A RSL? RSL=xxxxx
(see description
of arguments)
Rx Frequency
Offset
N/A 5 bytes Query only.
Unit returns the value of the measured frequency offset
of the carrier being demodulated.
Values range from ± 0 to ± 30 kHz, 100 Hz resolution.
Returns 99999 if the demodulator is unlocked.
Example: RFO=+02.3 (which is + 2.3 kHz)
N/A RFO? RFO=xxxxx
(see description
of arguments)
Buffer Fill
State
N/A 2 bytes Query only.
Unit returns the value of the buffer fill state, between 1
and 99%. Returns 00 if demodulator is unlocked.
Example: BFS=33 (which is 33%)
N/A BFS? BFS=xx
(see description
of arguments)