User's Guide

5.4 Image brightness

Select the image brightness option, short press menu button to confirm this option,

short press power button / photo button to adjust the image brightness, the image

brightness is 0-9 level switch.(Level 5 is the factory default brightness, and the image

brightness set in the last shutdown should be maintained after the machine is turned

on.)

5.5 Contrast

Select the screen contrast option, short press menu button to confirm this option,

short press power button / photo button to adjust the contrast, the contrast is 0-9 level

switch.(Level 5 is the factory default contrast, and the contrast set in the last

shutdown should be maintained after the machine is turned on).

5.6 Screen brightness

Select the screen brightness option, short press menu button to confirm this option,

short press power button / photo button to adjust the screen brightness, the screen

brightness is 0-9 level switch.(Level 5 is the factory default brightness, and the screen

brightness set in the last shutdown should be maintained after the machine is turned

on.)

5.7 File management

Please access the file management when Wi-Fi is off, otherwise you cannot enter the

file management. After you enter file management, it is shown in Figure 13.