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SCPI Command Reference Figure 5-4 Measurement event register Bit Position B15 - B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 5-51 B2 B1 B0 HL LL ROF Event BFL BHF BAV Decimal Weighting 512 256 128 32 4 2 1 (29 ) (28 ) (27 ) (25 ) (22 ) (21 ) (20 ) Value 0/1 0/1 0/1 0/1 0/1 0/1 0/1 Value : 1 = Measurement Event Set 0 = Measurement Event Cleared RAV Events : BFL = Buffer Full BHF = Buffer Half Full BAV = Buffer Available RAV = Reading Available HL = High Limit LL = Low Limit ROF = Reading Overflow Questionable Event Register: Bits B0 through B3 — Not used. Bit B4, Temperature Summary (Temp) — Set bit indicates that an invalid reference junction measurement has occurred for thermocouple temperature measurements. Bits B5, B6 and B7 — Not used. Bit B8, Calibration Summary (Cal) — Set bit indicates that an invalid calibration constant was detected during the power-up sequence. The instrument will instead use a default calibration constant. This error will clear after successful calibration of the instrument. Bits B9 through B13 — Not used. Bit B14, Command Warning (Warn) — Set bit indicates that a Signal Oriented Measurement Command parameter has been ignored. NOTE Figure 5-5 Questionable event register Bit Position B15 B14 Whenever a questionable event occurs, the ERR annunciator will turn on. The annunciator will turn off when the questionable event clears. B13 - B9 B8 B7 - B5 B4 Event Warn Cal Temp Decimal Weighting 16384 256 16 (214) (2 8 ) (2 4 ) 0/1 0/1 0/1 Value 0 Value : 1 = Questionable Event Bit Set 0 = Questionable Event Bit Cleared B3 - B0 Events : Warn = Command Warning Cal = Calibration Summary Temp = Temperature Summary
