Verykool T742 - Manual (Page 7)

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every 2 or 3 months during storage.
Power adapter is a key component of the portable player, which play a crucial
role in keeping the portable player’s normal work and protecting your security when
using the player, a long-term customer surveys and after-sales service Practice shows
that the malfunction of the portable player In many cases were caused by using
inappropriate accessories, in particular the power adapter.
Use the substandard power adapter will shorten the life of the portable player by
considerably, the voltage instability will seriously affected the normal work of the
portable player and bring permanent damage on the player’s performance and
reliability, Use the substandard power adapter will also reduce the vocal quality of the
players, shutdown the player when you using it, In addition, Use the substandard
power adapter will cause combustion and explosion which will disserve the safety of
the consumers.
Gravity induction and horizontal 、vertical screen switch
Through the clicked " ", open/locking gravity induction and horizontal 、
vertical screen switch function.
Return to main interface
In any interface, touch icon " " to access to main interface.
Return to upper interface or menu
In any interface, touch icon " ", click the " " key to access to upper
interface or menu. You can also click short press the " " key to accomplish it.