Garmin GPSMAP 640 Owner's Manual

Also see for GPSMAP 620: Quick reference guide Declaration of conformity Owner's manual supplement Safety instruction Installation instructions

Contents

GPSMAP 620 and GPSMAP 640 Owner’s Manual 3Getting StartedPowering the Device On and OffPower on the GPSMAP 620 or the GPSMAP 640:• If the mounting bracket on your boat or in your car is connectedto power, the device powers on when you place it in the mount.• The device powers on when external power is supplied throughthe DC IN connector.• To power on the device manually, press and hold until theGarmin logo appears on the screen.Power off the GPSMAP 620 or the GPSMAP 640:• When you remove the device from the mounting bracket or youremove power from the DC IN connector, you will be promptedto continue on battery power. Touch Turn Off to power off thedevice.• To power off the device manually, press and hold until theunit powers off.Note: If you manually turn off the device while it is connected toa power source, it will continue to charge the battery.NoticeIf the marine mounting bracket is not wired through the ignitionor a switch, the GPSMAP 620 or GPSMAP 640 will drain theboat battery, even when powered off. Remove the device from themounting bracket to avoid draining the boat battery.Removing and Inserting the Battery PackNoticeThis product contains a lithium-ion battery. To prevent damage,remove the unit from the vehicle or boat when exiting or store itout of direct sunlight.To remove the battery pack:1. Remove the GPSMAP 620 or the GPSMAP 640 from themounting bracket.2. On the back of the device, lift up the battery locking ring andturn it counter-clockwise.3. Tilt the battery pack away from the device and lift it out.To Insert the battery pack:1. On the back of the GPSMAP 620 or the GPSMAP 640, fit thebottom of the battery pack into the device.2. Tilt the battery pack toward the device until it is tight.3. Turn the locking ring clockwise to lock the battery pack in place.