Model SR715 Model SR720 LCR Meters

SR715/720 LCR METERSENA(?) {i} Set (query) LCR Status Enable register to value i (0-255).STAT? {i}Query LCR Status byte. If i is included, only bit i is queried.STATUS BYTE DEFINITIONSSERIAL POLL bit name usageSTATUS BYTE 0 Ready The SR7XX is ready to perform a measurement.1 unused2 unused3 LCR An unmasked bit in the LCR status register has been set.4 MAV The GPIB output queue is non-empty5 ESB An unmasked bit in the standard status byte has been set.6 RQS/MSS SRQ (Service Request)bit.7 No Command There are no unexecuted commands in the input queueSTANDARD EVENT bit name usageSTATUS BYTE 0 OPC Set by the OPC command when all measurements arecomplete1 unused2 Query Error Set on output queue overflow (Too many responses waitingto be transmitted.)3 unused4 Execution err Set by an out of range parameter, or non-completion of somecommand due a condition such as an incorrect operatingmode.5 Command err Set by a command syntax error, or unrecognized command6 URQ Set by any key press7 PON Set by power onLCR bit name usageSTATUS BYTE 0 Math Error Set on a floating point error.1 A/D Error Set when an A/D conversion fails.2 Overload Set when the gain stage is overloaded.3 Underrange Set when a measurement is below the nominal range ofvalues for the present range.4 Overrange Set when a measurement is above the nominal range ofvalues for the present range.5 Out of Range Set when the unit is unable to make a valid measurement onthe current range.6 unused7 mem err the stored settings were invalid on power up.xiii