Appendix B
487
Status Reporting System
Status Register Structure
B. S
tat
us Re
po
rt
ing
Sy
ste
m
command will clear all of the bits in the questionable reference signal
status event register.
command will clear all of the bits in the questionable misc status event
register.
command will clear all of the bits in the questionable limit status event
Table B-9
Status Bit Definitions of Questionable Reference Signal Status Event Register
Bit
Position
Name
Description
0
Not used
Always 0.
1
External Reference Unlock
Set to “1” when external reference is not locked.
2-15
Not used
Always 0.
Table B-10
Status Bit Definitions of Questionable Misc Status Event Register
Bit
Position
Name
Description
0
Not used
Always 0.
1
Thermometer Out of Range
Set to “1” when thermometer is out of range.
2
IF not Detected
Set to “1” when IF is not detected.
3
Local Unlock
Set to “1” when local oscillator is unlocked.
4-5
Not used
Always 0
6
AFC Out of Loop
Set to “1” when an AFC out of loop error is applied.
7-15
Not used
Always 0.
Table B-11
Status Bit Definitions of Questionable Limit Status Event Register
Bit
Position
Name
Description
0
Not used
Always 0.
1
Questionable Limit PN1 Status Register
Summary
Set to “1” when one of the enable bits in questionable
limit PN1 status register is set to “1.”
2
Questionable Limit SP1 Status Register
Summary
Set to “1” when one of the enable bits in questionable
limit SP1 status register is set to “1.”
3
Questionable Limit FP1 Status Register
Summary
Set to “1” when one of the enable bits in questionable
limit FP1 status register is set to “1.”
4
Questionable Limit TR1 Status Register
Summary
Set to “1” when one of the enable bits in questionable
limit TR1 status register is set to “1.”
5
Questionable Limit USER1 Status
Register Summary
Set to “1” when one of the enable bits in questionable
limit USER1 status register is set to “1.”
6-15
Not used
Always 0.
Summary of Contents for E5052A
Page 4: ...4 ...
Page 28: ...28 1 Making Effective Use of This Manual How to Use This Manual ...
Page 51: ...3 51 Making a Measurement Trigger System 3 Making a Measurement Figure 3 1 Trigger system ...
Page 58: ...58 3 Making a Measurement Waiting for End of measurement ...
Page 76: ...76 4 Reading Writing Measurement Data Entering Data in a Trace ...
Page 82: ...82 Chapter5 Saving and Recalling File Management Managing Files ...
