SATELLINE-EASy / SATELLINE-EASy 869
User Guide, Version 3.0
54
11.1.2
Channel list related SL commands
Command
Effect and description of command
SL$A=1
Go to channel list default channel
SL$C?
Get number of channels in channel list
Response: decimal number
SL$C=n
Set number of channels in channel list, n is decimal number, "SL$C=0" clears
channel list
SL$D?
Get channel list default channel number
Response: decimal number
SL$D=n
Set channel list default channel, n is channel number
SL$E=1
Search free channel
Modem searches for next traffic-free channel. Listening time of traffic is about 2
seconds
Modem shows next free channel by activating command again
Response: "OK" followed by “channel n is free”
Value of n is channel number of next free channel on channel list
SL$F?
Get active channel number
Response: decimal number
SL$F=n
Set modem to channel number n in channel list
SL$L?nn
Get channel info.
Index nn=[0...(number of channels-1)]
Response: Channel number, Frequency, Channel width, Tx Power
For example: "CH 1, 430.150000 MHz, 25.0 kHz, 0 mW\0D"
SL$L=info
Set channel info.
Format is SL$L=Iaa,Nbbbbbb,Fcccccccccc,Wdddddd,Peeeee<CR>
where capital letter marks parameter field and the following decimal number
presents its value.
aa = Index (0...39)
bbbbbb = Channel number (-32767...32767)
cccccccccc = Tx/Rx Frequency in MHz (only numbers or "." allowed, "," is not
allowed)
dddddd = Channel spacing/width in kHz (12.5, 20 or 25)
eeeee = Transmitter power in mW (0...35000) (modem rounds the value to the
closest applicable)
Note: 0 means "don't care" value for power.
SL$M?
Get Channel list mode
Response: "0" = Channel list mode OFF or "1" = Channel list mode ON
SL$M=x
Set Channel list mode. Values of x are:
0 = Channel list mode OFF
1 = Channel list mode ON
SL$R?
Get listening time (seconds) of Search free channel function
Response: decimal number
SL$R=n
Set listening time (seconds) of Search free channel function
SL$S=1
Set channel scanning mode
When activated, modem scans channels one by one and saves RSSI readings to
memory
Response: "OK" followed by channel/RSSI info
For example: "OKCH 6 -122 dBm, CH 22 -121 dBm, CH 10003 -122 dBm, "
