17Basic FunctionsPreparationsEInstalling the Backup BatteryThe backup battery (lithium button battery CR1616) allows the camcorder to retain date,time ( 22 ) and other camcorder settings while the power source is disconnected.Connect a power source to the camcorder when replacing the backup battery to retain thesettings.1. Open the backup battery cover.2. Insert the backup battery with the+ side facing outward.3. Close the cover.The backup battery has a life span of about a year. “ ” flashes in red to informyou that it needs to be replaced.