Technical data
Troubleshooting 5
16800 Series Portable Logic Analyzers Service Guide 105
Adjust sampling positions using eye finder
1 Select the Thresholds and Sample Positions... button. The 
Thresholds and Sample Positions dialog will appear.
2 In the “Buses/Signals” section of the Thresholds and 
Sample Positions dialog, ensure that the check box next to 
“My Bus 1” is checked.
3 Drag the blue bar for “My Bus 1” to approximately - 2 ns.
4 Select the plus sign to expand bus “My Bus 1”.
5 Click the Run button in the Thresholds and Sample 
Positions dialog.
6 Ensure that an eye appears for each bit. Depending on 
your test setup, the eye position may vary. Ensure that all 
blue bars in the individual channel rows (excluding the 










