Garrett manufactures the Ace 250 metal detector, which is used to find hidden metal objects. It includes a jewellery mode for fine metals and an all-metal mode to search for any metallic object. The coin mode eliminates other metallic objects from the search. Four depth settings help find items buried deep in the soil. The batteries last from 2 to 4 hours. If the LCD screen does not illuminate when you turn on the tool, or the low battery indicator light illuminates, it is time to change them.
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Things you need
- 2 AA alkaline or NiMH rechargeable batteries
Press the "Power" button on the LCD screen control panel to turn it off. Set the metal detector on a flat surface.
Slide the battery cover open on the back of the control housing. The cover is at the rear of the LCD display screen, just below the word Garrett.
Place the tip of a finger at the base of a battery and push it up slightly while lifting to release it. Repeat this with the second battery.
Place two new batteries in the metal detector, aligning the positive ends with the "+" symbols in the battery compartment.
Slide the battery cover closed until it clicks into place.
Tips and warnings
- Rechargeable nickel metal halide (NiMH) batteries have a shorter life per charge than alkaline batteries.
- Do not remove batteries with a sharp object. This can cause a puncture in the battery and allow the acid to leak out.
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