Calibrating Your - PRESIDIUM Gem Indicator PGI Manual Del Usuario

4.3 Library Function
Test
Settings
Calibrate
> Library
The Library function displays all the 31 types of
gemstones and its corresponding possible colors, that
the tester is able to test for.
Select the name of the gemstone you wish to find out
more about and the screen will display the list of possible
known colors that this type of gemstone can exist in.
For the full list of gemstones and colors that can be
tested, please see Fig. 3.4 in Section 3.
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5. CALIBRATING your Presidium Gem Indicator
All testers have been calibrated during the manufacturing
process and usually no further adjustment or user
intervention to the tester is required.
However in situations as stated below, calibration will be
warranted:
i. Existing probe tip becomes bent/broken and needs to
be replaced with a new probe tip,
ii. You have repeatedly gotten an inaccurate result
against a known gemstone
iii. Testing under extreme temperature conditions (See
section under "Operating Conditions")
To begin calibration, you will need to first remove and
re-insert the probe tip or replace with a new probe tip.
Removing and Replacing the Probe Tip
Turn the probe tip anti-clockwise to remove the existing
probe tip (Fig 5.1a).
Fig. 5.1a
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