Ascertain that the line voltage selector switch (1) is set in conformity with the local line voltage. If not, the switch should be set at 100V (110~120V) or 200V (220~240V) correctly by means of a screw driver.
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1. Turn the microscope on its side and pull the lamp housing knob (1) to open the lamp housing cover (2)
2. Install the bulb.
• 6V, 20W halogen bulb
Hold the halogen bulb contained in a polyethylene bag to avoid leaning finger prints on the bulb and insert the contact pins into the bulb socket all the way (3).
• 110V/120V 30W tungsten bulb
Insert the tungsten bulb with its mirror portion (4) located at the lower side into the bulb socket; (3) then, pressing it against the socket, rotate the bulb clockwise.
– Before use, wipe off fingerprints or soils on the bulb.
– 110 V bulb for local line voltage 120V or higher.
– After bulb installation, close the lamp housing cover (2) , pushing in the cover knob (1) .
– If the bulb burns out during observation, be certain to cool the defective bulb completely before replacement.
Tungsten Bulb
• Pull power plug
– Place microscope on its side so that rack and knob of the mechanical stage are facing up
• Loosen clamping screw
– Remove lamp socket from spring clamp. Unscrew burnt-out lamp from the socket, and insert new 6V, 5W filament lamp. Wipe off any fingerprints on the lamp bulb.
• To insert new lamp, put lamp socket into spring clamp, turning and shifting it until lamp coil and its mirror image are opposite each other when observing lamp and concave mirror. Insert lamp holder with filament lamp in receptacle so that screw fits into slot. Tighten clamping screw
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