8
4.
Operation
4.1
Focus adjustment
4.1.1Focusing at the primary observer Position
1. Switch on the main switch on the power supply unit to light up the pointer.
2. Look through the primary observer’s eyepiece to see the pointer. If the pointer is not
visible in the field of view, use the pointer control lever D tobring it into the center of
the
field.
3. Loosen the lamp socket clamping knob slightly. Then, while looking through the
eyepiece, turn the lamp socket until the pointer is brightest, then tighten the clamping
knob.
4. Turn the right eyepiece diopter adjustment ring until the pointer is in focus.
5. Look through the right eyepiece and focus on the specimen using the coarse and fine
focusing knobs on the microscope body.
6. Turn the left eyepiece diopter adjustment ring until the specimen is in focus.
The pointer and the coarse and fine focus adjustment knobs can be operated only
from the primary observer’s side. They cannot be controlled by the secondary
observer.
4.1.2 Focusing at the secondary observer Position
Turn the left and right eyepiece diopter adjustment rings until the specimen is in focus.
(When the specimen is in focus, the pointer is also brought in focus.)