1GPSmap 76CSBattery Installation andStart UpImportant NoteWhen replacing batteries, use only new or fully charged bat-teries. Do not mix Alkaline and NiMH batteries. Recharge-able batteries may typically display less capacity thandisposable batteries.Remove the batteries from the unit if you don’t plan touse it for several months. Storing batteries in the unit forprolonged periods may result in leakage and damage to thebattery compartment.Follow the manufacturer’s instructions for proper care anddisposal of used batteries. Do not incinerate used batteries,as internal materials may ignite with explosive violence.Extensive use of backlighting, WAAS, the electronic compassand key beep tones will signifi cantly reduce battery life.To set backlighting intensity and timeout, see page 58.To disable WAAS, see page 57.To mute the beep tones, see page 60.To turn the electronic compass On/Off. see page 15.Getting StartedInstalling the BatteriesThe GPSmap 76CS operates on two “AA” batteries (not included),which are located in the back of the unit. Alkaline or NiMH batteries(see page 57 for setting the battery type) may be used. Stored data isnot lost when batteries are removed.To install batteries:1. Remove the battery cover from the back of the unit. Turn theD-Ring 1/4 turn counter-clockwise and then pull.2. Insert the batteries, observing the proper polarity. A polaritydiagram can be found molded into the battery compartment.3. Reinstall the battery cover by reinserting the locking pin inthe back of the unit. Turn theD-Ring 1/4 turn clockwise tolock in place.Battery CompartmentLockingPin SlotBattery CompartmentCoverLocking D-RingBack ofGPSmap 76CS