AmScope PM200 Series User Manual - Page 16
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PM200 Series
Common Issues (Mechanical)
Symptom
Cause
Focus knob does not turn
The tension knob is too tight
Stage declines by itself
The tension knob is too lose
The focusing knob won't
The focusing rack has reached the max travel distance in either
raise/lower the head
direction
Remedy
MECHANICAL ISSUES
Loosen it by adjusting the tension by grabbing both knobs on the
focusing rack and twisting them in opposite directions.
Loosen it by adjusting the tension by grabbing both knobs on the
focusing rack and twisting them in opposite directions.
Move the focusing rack higher or lower on the pillar if using a
stand with a pillar
16
Troubleshooting