NAVCAM-717DUSER MANUAL9SYSTEM SETTINGSFrom the main screen, press the MENU button, then using a combination of the arrow keys and the OK button to confirm yourchoice, select settings from the following options list:System settingsMenu Options DescriptionDate/time MM/DD/YY, DD/MM/YY, YY/MM/DD Select the preferred date orientationAuto power off Off, 3, 5, 10mins Turn device off after a set period of timeBeep Sound Off, On Audible beep on key pressLanguage Various Choose preferred system languageFrequency 50Hz, 60Hz [Adjust to 50Hz for Australia power supply]Format SD CardFormat SD card (Note: Permanently erases alldata on card. Note: the unit cannot be used untilformatting is complete, which usually takes about20seconds depending on the size of your card.)Screen Saver Off, 30sec, 1mins,2minsIf no buttons have been pressed and if norecording is taking place, the unit can be shut offautomatically after set periods of timeLamp settings Day Mode, Night Mode Day mode IR Lamps ON, Night mode IR LED OFFDelay shutdown Off, 5sec, 10sec, 30sec Keep camera on after car is turned offDefault setting Cancel, OK Perform a factory resetVersion Used when checking to see if a new firmware is released.