Mongoose Q-U720AC - Common Problems and Solutions

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Common Problems and Solutions
When the machine malfunctions
1. Recovery to factory settings;
2. Try reigniting;
3. Please check the phenomena that are described in the table below and try to use the solutions;
4. Contact Service Center;
Machine/function phenomena Solutions
Machine
Cannot power on/off
Check the connection, if it is broken, try to reconnect it;
Check the main fuse, if it is damaged, replace it;
No
sound
Adjust the volume;
Confirm whether the music and video is supported or not;
Confirm whether the connection of the power amplifier is lost;
Reversing
Abnormal picture
Exit reversing mode and enter again;
Check whether the camera is covered by foreign matters;
Check whether the type of reverse camera is matched or not;
Check the reversing signal cable;
Radio
Noisy
; Cannot
search the station
Ensure there is no metal products around the machine;
Driving the vehicle to the place where the radio signal is good
and search the station;
If the solutions above are invalid, please check whether
the antenna is disconnected, damaged, etc.;
Bluetooth
Connecting fail
Please make sure that the Bluetooth of mobile device is turned
on, the machine is not connected;
USB playing Playing fail
Ensure the U disk is not damaged;
Please make sure that the format of content is supported;