Owner's Manual - West Marine

GETTING STARTED > CHARGING THE 276C PLUSCharging the 276C PlusBefore using the unit, you may need to charge the battery in the276C Plus. Simply plug the unit into an external power source tocharge. You can use the unit while it is charging.To charge the unit’s battery:1. Lift the rubber weather cap to expose the power connectoron the back of the unit. Refer to the image on page 1 forconnector location.2. Align the notches and push the plug into the connector untilfully seated.3. Plug the 12 Volt adapter into an available AC outlet, orcigarette lighter receptacle if you have a Cigarette LighterAdapter. Use care when routing the cable; be certain that itdoes not interfere with vehicle operation.The unit begins charging as soon as external power is applied.Placing the unit in Charge mode, as discussed below, charges theunit more quickly than when the unit is turned on and reduces drawon the vessel/vehicle battery.Information about Charge ModeApplying external power to the 276C Plus automatically turns onthe unit for full operation. If the battery is present and needs to becharged, the external power source charges the battery while the unitis in use.If you do not want to use the unit, but you would like to charge thebattery, you can put the unit into Charge mode. Connect the unitto an external power supply. Press and hold the red POWER key.Instead of completely turning off, the unit now goes into Chargemode, as shown below.Charge ModeNOTE: While in Charge mode, the unit draws a small amount ofcurrent from the vessel/vehicle battery. To avoid discharging thevehicle’s battery, disconnect the external power cable from the276C Plus when not in use for several days.After using the unit extensively, you may notice that the lithiumionbattery is not holding a charge any more. This is common forlithium-ion batteries. Contact Garmin or your Garmin Dealer toorder a Battery Pack replacement if you are experiencing chargingissues with your battery.2 276C Plus Owner’s Manual190-00501-00_0A.indd 21/13/2005 10:43:23 AM