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Never attempt either of the following actions, since doing so will damage the focusing
mechanism:
Rotate the left and right knob while holding the other.
Turning the coarse and fine focus knobs further than their limit.
4.3 Coarse Focus Torque Adjustment
To increase the torque, turn the torque adjustment ring located behind the left-hand coarse focus
knob in the direction indicated by the arrow. To reduce the torque, turn the ring in the direction
opposite to that indicated by the arrow.
(Fig.4)
1. Coarse focus torque adjustment ring 2. Coarse focus knob 3. Fine focus knob
4.4 Stage upper limit stop adjustment
With the specimen in focus, turn the stage upper limit stop knurled ring (Fig.5) clockwise until it
reaches the stop.
(Fig.5) Stage Upper Limit Stop
