Step 6 - Device Configuration
Product Reference Guide 27
For the next step you need to enable the Focus Calibration Tool from the 
Options>UI Settings Configurations tab if not already enabled.
7. Now click on the Focus Calibration tab at the bottom of the window. The 
os
cilloscope view is shown in the bottom panel and can be used for manual 
focus adjustment.
The red line in the image panel above the oscilloscope must pass through the 
code. You can click and drag the red line vertically to reposition it over the code.