in soil, soil moisture content, etc ) can affect metal detection/identification in
DISCRIMINATION mode, the results of metal identification/discrimination are not
guaranteed to be correct.
2. During detection, the search coil must be in motion. If the search coil is still, the
detector can not detect metal normally.
3. The detector can work with the earphone ( optional ). To use the earphone, just
insert the plug of the earphone into the earphone jack on the control box, the
loudspeaker in the control box will be disabled automatically.
Note:
For safety, do not use earphone near traffic.
To avoid hearing loss, do not use earphone if using it makes you feel
uncomfortable.
DUAL-FREQUENCY AUDIO ALARM FUNCTION
The detector has a dual-frequency audio alarm function. When it detects a ferrous metal
object, it emits a tone of 660Hz audio signal, and when it detects a non-ferrous metal
object, it emits a tone of 2000Hz audio signal.
When the low battery indicator lights, the batteries are not high enough and must
be replaced immediately.
To replace the batteries, turn off the detector first. Then slide the battery cover
( see Figure2 ) downwards to remove it. Replace the old batteries with new ones of
the same type, make sure that the polarity connections are correct ( see the
polarity indications at the bottom of the battery compartment ). Reinstall the battery
cover.
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