PRESIDIUM PGCG Manual Del Usuario página 14

• The Presidium Gem Computer Gauge should be held
in the palm of either hand. Control the slider with the
thumb.
• When measuring loose stones, pull the Slider and
place the stone on the Slider platform. The base of
the stone should be parallel to the platform to prevent
it from moving.
• When measuring mounted stones, insert the jewelry
attachment to the gauge and place the stone
between the jewelry attachment and slider anvil.
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