Power Meter Remote Operation 1
N1911A/1912A P-Series Power Meters Programming Guide 65
Device Status Register
The device status register set contains bits which give device dependent
information.
The following bits in these registers are used by the power meter:
Tab le 1-1 1 Bit Definitions - Device Status Register
11 Lower Limit
Fail
This is a summary bit for the Lower Limit Fail Register.
• SET: If a measurement is made and either a channel or window lower limit test
fails.
• CLEARED: If a measurement is made and the lower limit test is not enabled or
the test is enabled and passes.
12 Upper Limit
Fail
This is a summary bit for the Upper Limit Fail Register.
• SET: If a measurement is made and either a channel or window upper limit test
fails.
• CLEARED: If a measurement is made and the upper limit test is not enabled or
the test is enabled and passes.
Bit
Number
Meaning EVENts Causing Bit Changes
Bit
Number
Decimal
Weight
Definition
0 - Not used
1 2 Channel A sensor connected
24
Channel B sensor connected
*
3 8 Channel A sensor error
416
Channel B sensor error
*
5 32 Channel A sensor Front/Rear
664
Channel B sensor Front/Rear
*
14 16384 Front Panel key press
* N1912A only
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