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Operating Instructions | 07
Operating Instructions
Changing the Batteries
Gently push the battery door on the back of the unit downward. Replace batteries.
Position cover on back by gently sliding it up until it locks in position.
Important TuneCast 3 Battery-Operation Details
TuneCast 3 automatically extends battery life and helps ensure safe operation in these ways:
1.
TuneCast 3 turns off after approximately 60 seconds without audio detection. We
recommend that you manually turn off the TuneCast 3 when not using it, to limit
unnecessary battery use.
2.
When plugged into your vehicle’s power outlet, TuneCast 3 automatically switches from
battery to DC power.
3.
TuneCast 3 displays the battery-life status and turns itself off when the batteries no
longer contain enough power to operate. This prevents a potentially hazardous over-
discharge condition.