Garrett GTP 1350 Owner's Manual page 22

operation and performance is not affected by battery
condition, until batteries are drained.
The 1350 is engineered with an Extended Battery Life
Feature. If no touchpads are pressed within 30 minutes
of being turned ON, the detector automatically turns OFF
in order to minimize battery use due to accidental turn
ON. Simply press the POWER touchpad to resume
hunting.
The 1350 does not come with an on-board battery
recharge function.
Completely remove all batteries from the detector when
stored for extended periods.
Replace or remove batteries by following these
instructions:
1. Turn the GTP 1350 OFF by pressing the
POWER touchpad
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2. Slide the battery case back slightly from its
normal position beneath the Arm Rest. Place
both thumbs on the lower sides of the cuff with
your fingers on the front of the case. Firm
pressure will then disengage the case from
below the Arm Rest and allow it to slide
backward.
3. Slip the two covers on the battery panel up
and remove them completely.
4. Slide out the two battery holders (which are
not connected by the wire) by tilting the pack.
Each of the holders contains four AA batteries.
5. Remove the old batteries
6. Install new batteries. Carefully observe the
polarity of the batteries and place them in the
holders.
7. Replace the battery holders in the GTP 1350.
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