Garrett Metal Detector GTI 1500 Owner's Manual page 63

. Slip up the two covers on the battery
panel and remove them completely.
. Take out the two battery holders (which
are not connected by wire) by tilting the
pack. (See image above.)
5. Remove the old batteries.
6. Install new batteries. Carefully observe
polarity of the batteries and make certain
the new batteries are aligned properly.
7. Replace holders in detector (as shown
in image on next page). It is important
that the "eyelets" be toward the center so
that battery packs will be replaced in their
Graphic Target Imaging 1500 - 6