IV. Important notice
• Before testing, ensure that your gemstone is a diamond and not
a diamond simulant (moissanite, cubic zirconia, other colorless
materials).
• Keep the device dry. Precipitation and all types of liquids or
moisture can contain minerals that will corrode electronic circuits. If
your device gets wet, remove the battery and allow the device to dry
completely before replacing it.
• Do not use, store or expose the device in dusty, dirty areas. Its
moving parts and electronic component may get damaged.
• Do not use, store or expose the device in hot areas. High
temperatures can damage or shorten the life of the device, damage
batteries, and warp or melt certain plastics.
• Do not use, store or expose the device in cold areas. When the
device returns to its normal temperature, moisture can form inside
the device and damage electronic circuit boards.
• Do not attempt to open the device other than as instructed in this
handbook.
• Do not drop, knock, or shake the device. Rough handling may break
internal circuit boards and fine mechanics.
• Do not use harsh chemicals, cleaning solvents, or strong detergents
to clean the device.
• Do not paint the device. Paint can clog the moving parts and prevent
proper operation.
If the device is not working properly, kindly contact Presidium
Presidium Instruments Pte Ltd
6 Penjuru Lane
Singapore 609187
Tel: (+65) 6379 5000
Attn: Customer Care
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