MGR10 A/B/C - Revision : I (for 7.0 software revision) 876.3.7 RS-232 Interface CommandsSYSTem:LOCalReturns the instrument to the local mode from RS-232 operation. All keys on the front panel arefully functional. This is the default at power-up.SYSTem:REMotePlace the instrument in the remote mode for RS-232 operation. All keys on the front panel aredisabled.The SYSTEME:REMOTE command has to be sent before any other command .These commands will produce a “command error” in IEEE mode. The commands are ignored.6.3.8 Front Panel OperationsThe currently selected interface is indicated by the “RS-232” or “IEEE” legend.Talk Only mode is indicated by the “Talk” legend.The “REM” legend indicates that the microhmmeter is under control of the remote interface. The frontpanel keys will be locked out.The “MEAS” legend indicates that a measurement cycle is in progress.For the IEEE-488 interface, the “TALK/LSTN” legends indicate that the device has been addressed bythe system controller. Operation, however, may be local or remote.