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GSM Gemological Microscope 10x-160x Instruction Manual
Page 4
Changing magnification
Slowly turn the zoom adjustment clockwise or anticlockwise to the desired magnification.
1.
Ensure your specimen is sitting directly under the objective lens.
2.
Rotate the focuser knob until the image comes to focus.
Changing the stage
Depending on the type of microscope, there are two ways to change the stage
1.
The stage can be removed and replaced by releasing the screw at the bottom front of the
stand.
2.
The stage can be removed and replaced by tilting it through the small gap where the stage
sits.
Illumination
Should there be a need to change the light bulb, unplug the electric cord and ensure the
microscope has been switched off for at least 15 minutes.
Incident Light
i.
Unscrew the casing and remove the light bulb (be sure that is cool enough to handle)
ii.
Insert the new bulb and screw the casing back on
Transmitted light
i.
Carefully remove the stage and put aside.
ii.
Remove the bulb by releasing the screw.
iii.
Insert a new bulb and tighten it with screw.
Caution
When handling a bulb, it is recommended to wear gloves or cover the light bulb with protective
sleeve. Oils and other materials from fingers may damage the bulb. If the bulb has been touched,
clean with alcohol and cloth.
Summary of Contents for 314220
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