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SATELLINE-EASy / SATELLINE-EASy 869
User Guide, Version 3.0
57
11.1.7
Radio frequency related SL commands
Command
Effect and description of command
SL!D?
Get lower limit of frequency band 1
Response: "nnn.nnnnn MHz"
SL!U?
Get upper limit of frequency band 1
Response: "nnn.nnnnn MHz"
SL!W?
Get lower limit of frequency band 2
Response: "nnn.nnnnn MHz"
SL!Y?
Get upper limit of frequency band 2
Response: "nnn.nnnnn MHz"
SL&+=nnnn
Set active frequency nnnn channels above center frequency
Frequency = Center fre nnnn*Channel spacing
Value of nnnn is [0...number of channels/2]
For conventional reasons, only 2 or 4 digit inputs are valid
SL&-=nnnn
Set active frequency nnnn channels below center frequency
Frequency = Center frequency – nnnn*Channel spacing
Value of nnnn is [0…number of channels/2]
For conventional reasons, only 2 or 4 digit inputs are valid
SL&C?
Get reference frequency
Response: "nnn.nnnnn MHz"
SL&C=nnn.nnnnn
Set reference frequency
SL&D?
Get operational mode of radio.
Response: "S" = Single Channel (default)
"D" = Dual Channel
"R" = Reverse Dual Channel
SL&D=x
Set operational mode of radio. Values of x are:
”S” = Single channel: Rx and Tx frequenxies are identical.
”D” = Dual channel: Rx frequency = Tx Frequency - (lower limit of frequency
band1 - lower limit of frequency band 2)
”R” = Reverse dual channel: Tx frequency = Rx Frequency - (lower limit of
frequency band1 - lower limit of frequency band 2)
Command applies only if lower limits of frequency band 1 & 2 match Dual
channel operation
NOT RECOMMENDED for new systems - firmware variants with separate Rx/Tx
frequencies provide better applicability
SL&E?
Get Enabled Channel Widths
Response: List of supported Channel widths e.g. "12.5 kHz, 20.0 kHz, 25.0 kHz"
SL&F?
Get active frequency
Response: "nnn.nnnnn MHz"
SL&F=nnn.nnnnn
Set active frequency to nnn.nnnnn MHz
SL&FR?
Get Rx frequency
Response: "nnn.nnnnn MHz"
SL&FR=nnn.nnnnn Set Rx frequency to nnn.nnnnn MHz
SL&FT?
Get Tx frequency
Response: "nnn.nnnnn MHz"
SL&FT=nnn.nnnnn Set Tx frequency to nnn.nnnnn MHz