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The GTAx 550 should operate 25 to 35 hours with
carbon or alkaline batteries. Rechargeable batteries
will offer slightly less time, depending upon the type
used. These estimates are for speaker operation.
Operating with headphones will extend battery life.
Battery Replacement
1. Turn the detector off by pressing the POWER
touchpad.
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 armrest and allow it to slide
backward.
3. Slide the two covers up on the battery panel and
remove them completely.
4. Take out the battery holders (which are not
connected by wire) by tilting the battery pack. Each
of the holders contains four AA batteries.
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