Remote Interface Reference 4
Keysight 34420A User’s Guide 197
RS-232 Interface Commands
SYSTem:LOCal
This command places the meter in the local mode during RS-232 operation. All
keys on the front panel are fully functional.
SYSTem:REMote
This command places the meter in the remote mode during RS-232 operation. All
keys on the front panel except the LOCAL key are disabled. You MUST send this
command before any other RS-232 command can be received.
SYSTem:RWLock
This command places the meter in the remote mode during RS-232 operation. All
keys on the front panel are disabled, including the LOCAL key.
Sending or receiving data over the RS-232 interface when not configured for
REMOTE operation can cause unpredictable results. Always make sure the
meter is configured for remote operation when using the RS-232 interface.
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