Anritsu MT1810A - Page 236

Chapter 9 Troubleshooting
9-4.
Table 9.2-1 Items to be checked (Cont’d)
Symptom Location to Check Remedy
Threshold
During differential input,
is the difference between
the Data and XData
threshold voltages above
1.5 V?
The difference value should be within 1.5 V.
Is the operating limit for
Auto Search out of range?
Adjust it manually.
Phase
Is the operating limit for
Auto Search out of range?
Adjust it manually.
Pattern
Are the MU18302xA/B
and MU18304xA/B
patterns matched?
Match the patterns.
Synchronization
Is Auto Sync set to On at
the MU18304xA/B?
Set it to On. Re-synchronization is performed
automatically.
Have you tried with a
different MU18304xA/B
Sync Control setting?
Optimal synchronization method varies according to
the pattern type.
Note:
Can be set for patterns except PRBS.
Other
Is MU18304xA/B Bit/Block
Window set to Off?
Set it to Off.
Is MU18304xA/B External
Mask set to Off?
Set it to Off.
Is the MU18304xA/B
Repeat mode set?
Set the Repeat mode.
If a problem cannot be solved using any of the items listed above,
perform initialization and check the items again. If the problem still
occurs, contact an Anritsu Service and Sales office. Contact information
can be found on the last page of the printed version of this manual, and
is available in a separate file on the CD version.