PRESIDIUM Diamond Mate PDMT Mode D'emploi page 12

To prevent inaccurate readings, replace with new
batteries
indicator lights up or starts to blink. A test should not be
performed when the battery power is low or weak.
Batteries do not have to be removed when the AC
adaptor is in use.
Cleaning your gemstone prior to testing
Prepare a clean tissue. Carefully retrieve the gemstone
with tweezers and place the gemstone face down on the
table (Fig. 1.7).
Fig. 1.7
Gently rub
tissue/jewellery cloth and place the gemstone on the
centre of the Test Pad (Fig. 1.8).
Fig. 1.8
as soon
the table
as the
of gemstone
low battery
against the
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