PRESIDIUM Synthetic Diamond Screener II Bedienungsanleitung Seite 21

Release the lever to lower the UV light source and secure the
diamond in place for testing. (Fig 2.4)
Fig.2.4 Adjust the UV light source with lever
to secure the diamond in place
If you are testing multiple loose stones, use the metal bar provided
to hold the light source in place so that you do not need to keep
adjusting the lever in order to position the loose stones (Fig 2.5).
It is not necessary for the light source to touch the stone for the
testing to be carried out. (Fig 2.6)
Fig.2.5 Correct position
Fig.2.6 Wrong position
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