CS-990 GB
12
The Detector Drifts out of Tune
(A) Temperature drift caused by the change in air temperature when a machine is moved from a
house or a car into the open.
(B) The greater the change in temperature the more the drift, and up to 30 minutes may be needed
for the electronic circuitry to acclimatise itself.
(C) Sometimes battery drain can cause the signal to drift. Replace batteries and this should help to
maintain a stable signal.
Before returning a detector for repair, ensure you have done the following :
(A) Read the instructions thoroughly.
(B) Tried new batteries and checked the procedure outlined above.
(C) Spoken to the local dealer about performance of the detector, especially if you are still
unfamiliar with metal detectors in general.
Return the detector with a letter giving details of the error.
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