Starting Up The Lumen200; Working With The Lumen200 - Prior Lumen200 User Manual

5. Locate the collimating lens supplied to attach the light guide onto the microscope, loosen
the screw on the back of the collimating lens. Firmly push the light guide into the hole
ensuring it has reached it end stop and tighten the screw.
6. The Lumen is supplied with a collimating lens specifically designed to fit your microscope,
the supplied collimating lens will only fit the specified make of microscope.
7. The illumination can be optimized by focusing the beam by adjusting the distance between
the fibre tip and the microscope by unscrewing the collimator. The silver locking ring and
then be used to fix the collimator into the optimum position (see Fig 2).
3.3

Starting Up the Lumen200

Warning:
• Do not power up the Lumen200 without the light guide attached to both the Lumen200
and microscope.
• Only power up the Lumen200 when it is installed on a level surface.
1. Ensure the light guide is attached to both the Lumen200 and microscope.
2. Connect the power cable to the Lumen200.
3. Switch the Lumen200 power switch on.
4. Allow approximately 5 minutes for light to reach operational temperature.
5. Do not power down the unit within 10 mins of power up. This may reduce the effective
lifetime of the bulb.
3.4

Working with the Lumen200

The Lumen200 is a manual light source. Attenuation of the light can be achieved by use of the
manual shutter control knob on the front of the unit. Illumination can be set to 0%, 10%, 25%,
50%, 75% or 100% (Fig 8). Turning the knob to the left increases the intensity and turning to the
right decreases intensity.
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P r i o r S c i e n t i f i c