HP 132A User Manual download pdf (Page 101)

Chapter 3 Programming Your Universal Counter for Remote Operation

Elements of SCPI Commands

Programming Guide 3-33

A detailed description of each bit in the Questionable Data/Signal Status Register

Group follows:

• Bits 0–1 are not used.

• Bit 2 (Time) is a condition bit which indicates that the Time

measurements (Period, Time Interval, Rise/Fall Time, Pulse Width, and

Duty Cycle) may be affected by the disabling of automatic interpolator

calibration.

The condition bit is TRUE when automatic interpolator calibration is

disabled. The condition bit is FALSE when automatic interpolator

calibration is enabled.

• Bits 3–4 are not used.

• Bit 5 (Frequency) is a condition bit which indicates that

Frequency measurements (this does not include the Frequency Ratio

measurements) may be affected by the disabling of automatic interpolator

calibration.

The condition bit is TRUE when automatic interpolator calibration is

disabled. The condition bit is FALSE when automatic interpolator

calibration is enabled.

• Bit 6 (Phase) is a condition bit which indicates that Phase measurements

may be affected by the disabling of automatic interpolator calibration.

The condition bit is TRUE when automatic interpolator calibration is

disabled. The condition bit is FALSE when automatic interpolator

calibration is enabled.

• Bit 7 is not used.

• Bit 8 (Calibration Error) is an event bit which indicates that one of the

following has occurred: 1) an HP-IB invoked calibration failed, 2) a front-

panel invoked calibration failed, 3) an automatic interpolator calibration

failed during the measurement cycle, or 4) an automatic measurement

calibration failed during the measurement cycle.

Since this is an event bit, the transition filters have no effect on this bit.

• Bit 9 is not used.

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 329 330

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HP 132A User Manual Page 101