ClearOne XAP TH1 - Manual (Page 22)

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APPENDIX A • SERIAL COMMANDS
HOOKD
This command changes or reports the hook-flash duration of the unit.
HOOKD <X>
Explanation: <X> is the action (i.e. hook-flash duration, current state)
X=0 Parameter to set hook-flash duration to 50 ms
X=1 Parameter to set hook-flash duration to 90 ms
X=2 Parameter to set hook-flash duration to 100 ms
X=3 Parameter to set hook-flash duration to 110 ms
X=4 Parameter to set hook-flash duration to 250 ms
X=5 Parameter to set hook-flash duration to 300 ms
X=6 Parameter to set hook-flash duration to 400 ms
X=7 Parameter to set hook-flash duration to 500 ms
X=8 Parameter to set hook-flash duration to 600 ms
X=9 Parameter to set hook-flash duration to 700 ms
X=Null Parameter to report back the current state.
Return Values: The command will return the hook-flash duration of the
unit in the same format as the command. HOOKD <X>
Example: The following command requests hook-flash duration:
HOOKD
The following is returned out the serial port: HOOKD 4
LVL
This command reports back the transmit or receive level for a unit.
LVL <CH>
Explanation: <CH> is which parameter to be measured.
CH= RXIN Parameter for level from the telephone line
CH=RXOUT Parameter for level from the XAP TH1
CH=TXIN Parameter for level into the XAP TH1
CH=TXOUT Parameter for level to the telephone line
Return Values: LVL will return the output level of the line channel in the
same format as the command.
Example: If is current level for RXIN channel is -20dBu, the following is
returned out the serial port:
LVL RXIN -20