18１2 3Recording timelinePoint of eventPrevious video fileis automaticallylockedCurrent videofile is lockedSubsequentvideo file islocked8. File protection cycleThe unit provides 15 storage spaces for protected images.When overwrite is turned on, the system will overwrite from thefirst file once all storage space has been used up. This functionis turned on by default.9. Audio recordingThe unit features a built-in microphone. The user may choosewhether to turn audio recording on or off.10. Exposure CompensationThe camera's exposure value features 7 adjustable settings(Normal, ±1/3, ±2/3, and ±1).II. Parking Recording ModeThe GDR 45 is able to record images after the engine is switched off. Tworecording options are offered:

Garmin gdr 45 Quick Start Manual