Bird Technologies 4421 - Manual (Page 26)

Bird 4421 RF Power Meter
14
IDentificatioN (IDN?)
Function Product identifies itself
Remarks Replies command same as U2
Remote ENable (REN)
Function Enables remote operation.
Remarks The unit must be addressed to listen after setting REN true.
The REMOTE indicator turns on when this command is received.
Go To Local (GTL)
Function Returns device to local operation.
Remarks Issuing a GTL command while the device is in Local Lockout mode does not
clear the lockout condition.
The REMOTE indicator turns off.
The LISTEN indicator remains on.
Local LOckout (LLO)
Function Disables local operation of all devices on the bus.
Remarks REN must be true to use LLO.
LLO is cleared by setting REN false.
InterFace Clear (IFC)
Function Terminates all bus activity and passes control to the system controller.
Remarks All devices are set to talker and listener idle states.
LISTEN mode is cancelled, and its indicator is turned off.