4ReferenceBattery InstallationDEFAULT- A system-selected format, built into the operating software or the unit’smemory, that will be followed unless the user chooses a different setting. For example,the default setting for speed readings is ‘miles per hour’, but can be changed to‘kilometers per hour’. Once a setting is changed, the new setting is retained untilanother change is made or a ‘Restore Original Settings’ menu option is selected.Installing the BatteriesThe GPS V operates on four AA batteries (not included), which are installedfrom the left side (when viewed horizontally) of the unit. Alkaline batteries are recom-mended, but you may use NiCad, NiMH or Lithium batteries as well. Alkaline batterieswill last up to 25 hours in your GPS V. NiCad batteries will typically provide shorterbattery life and Lithium batteries will provide longer battery life, particularly in colderconditions. Stored data, such as waypoints or unit settings, are not lost when changingbatteries.To install batteries:1. Remove the battery cover on the left side ofthe unit (when viewed horizontally) by turn-ing the metal D-ring 1/4 turn counterclock-wise.2. Insert the batteries, observing the properpolarity as marked on the battery cover andshown in the illustration at right.3. Reinstall the battery cover by turning theD-ring 1/4 turn clockwise.NOTE: When replacing batteries, use onlynew or fully recharged batteries. Do NOTmix Alkaline, NiCad, NiMH and Lithiumbatteries.Remove the batteries from the GPS V if youdo not plan to use it for several months.Stored batteries will eventually dischargeand leak, causing damage to your unit.Follow the battery manufacturer’s instruc-tions for proper care and disposal of usedbatteries.During typical use, battery life will be upto 25 hours. Use of backlighting will reducebattery life.Selecting the “Battery Saver” mode or the“Use Indoors” option will increase batterylife.The battery icon on the Main Menu depictsbattery level (shaded portion).