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Appendix 1:
Frequently Asked Questions
Q: What shall we do when a problem that could not be solve occurs to the product?
A: Record product model and software version number and submit detailed problem description to our technical
support engineer for analysis. Detailed description will be very helpful to our analysis.
Q: What shall we do when the mobile device has no video output?
A
: 1. Check the power status of the device. If only one blue indicator is lit up, it indicates that the device is
still in standby mode and not powered on; at the same time, check if red or yellow cable of the main
power is supplied normally; If not, the device cannot be started.
2. Check if the display is powered and if the display video is switched to AV status.
3. Check the connection status of the video output cable and display.
4. Check the lock status the mainframe lock; the device can be started only when the lock is locked.
Q: What shall we do when the mainframe video input interface is different from the camera input
interface?
A: a 4-pin interface is used for the vehicle device. BNC interface or air interface is used for the camera. If
inconsistency is found, please use an adapter or connect it to a standard line defined as the line sequence for the
vehicle device.