User's Manual

User's manual
43
play prompts，Can be realized recording, playback, attach, r
ename, delete, send and other functions, you can also set t
he audio file storage format.
21. Video player
Play the videos in the storage device.
Six. Common problems and solut
ions
Before and after-sales service contact, follow these simpl
e checks, you might be able to avoid unnecessary maint
enance time and cost of waste.
Frequently
Asked Que
stions
Causes and solutions
Cannot boot
 n check whether to hold the power butto
n for at least one second;
 Check the battery connection is bad, ple
ase remove and then reinstall and retry t
he boot;
 Check the battery power is exhausted, pl
ease charge ；