Search results

I have the following questions: How do I get the 7900's recorded video display to show Miles traveled instead of Kilometers traveled? I'm using the 530 battery and the display always show no higher than 10 volts. I checked the input voltage and it read 12.2 when the car was not started...

I received my LK-7900 a few days ago installed it and it worked fine for a few days. It is connected to a constant voltage source and the UPS battery and so it gets voltage with the car turned off or turned on while voltage drain is protected by the UPS. Today all I get once it boots is LOPO...