1 Power Meter Remote Operation
62 N1911A/1912A P-Series Power Meters Programming Guide
Tab le 1-7 Bit Definitions - Questionable Status Registers
The condition bits are set and cleared under the following conditions:
Tab le 1-8 Bit change conditions for Questionable Status Register
Bit
Number
Decimal
Weight
Definition
0 to 2 - Not used
38 POWer Summary
4 to 7 - Not used
8 256 CALibration Summary
9 512 Power On Self Test
10 to 14 - Not Used
15 - Not used (always 0)
Bit
Number
Meaning EVENts Causing Bit Changes
3 POWer
Summary
This is a summary bit for the Questionable POWer Register.
• SET:
Error –230, “Data corrupt or stale”
Error –231, “Data questionable;Input Overload”
Error –231, “Data questionable;Input Overload ChA”
*
Error –231, “Data questionable;Input Overload ChB”
*
Error –231, “Data questionable;PLEASE ZERO”
Error –231, “Data questionable;PLEASE ZERO ChA”
*
Error –231, “Data questionable;PLEASE ZERO ChB”
*
Error –231, ”Data questionable;Lower window log error”
*
Error –231, ”Data questionable;Upper window log error”
*
• CLEARED: When no errors are detected by the power
meter during a measurement covering the causes given
for it to set.
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