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7.1.2
i57A&i57A-Z Key description
Picture 4 - Key description
The picture above shows the key layout of the device. Each key provides its own specific functions.
Users can operate the device by referring to the instructions of the keys in the illustrations in this
section.
Table 7
-
Key description
Key index
Key name
description
○
1
Power button
Screen out
○
2
Volume up /
down button
Control the volume of the device
7.2 Screen Touch Instructions
The device can be configured and operated by touching the screen.
Click
The device can enter the setting and operation interface by clicking on any interface.
The device supports multi-touch.
Long Press
Long press the app icon on the standby home page, you can adjust the app location or choose
to delete.
Long press the application icon in the menu interface to drag it to the main page.
Slide
