
- 1 -
EN
FAQ - English
Problem Possible cause Corrective action
No visible image. • Magnication change knob
incorrectly adjusted.
• Turn the knob to its end stop.
Image is not sharply
focussed.
• Incorrect dioptre compensation
setting.
• Incorrect distance to the object.
• Dirty lens / protecting glass.
• Repeat the dioptre compensation procedure.
• Change the distance to the object.
• Use a clean, lint free cloth to clean the lens /
protecting glass.
The support arm does
not stand still.
• Fixation is loose. • Tighten xation.