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In area with trashy metal, you can set DISC numeric value to 50. In this case most nails
and small pieces of iron will be eliminated.
Metallic digging tolls will also affect the detection of they are near the search coil. So it is
better place them a little far away.
Care and maintenance
Your metal detector is an example of superior design and Craftsmanship. The following
suggestions will help you care for your metal detector so you can enjoy it for years.
Handle the detector gently and carefully. Dropping it can damage
circuit boards and cases and can cause the detector to work
improperly.
Use the detector only in normal temperature environments.
Temperature extremes can shorten the life of electronic devices
damage the cases of the detector.
Wipe the detector with a damp cloth occasionally to keep it looking
new. Do not use harsh chemicals, cleaning solvents, or strong
detergents to clean the detector.
Keep the detector away from dust and dirt, which can cause premature
wear of parts.