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After selecting the video file, press the OK button to start playing. Fast forward and backward
through the left and right selection keys
(each change time is 30 seconds);
Adjust the volume through the up and down selection keys
; press the OK button to pause
during the video playing process. Press other keys to exit video playing.
EYES & VISON
：
Functional Test, including Contrast sensitivity Function, Structure of Eye and
Vision
CSF Test:
○
1 Select the contrast sensitivity functional (CSF) and press the OK button to enter the test
interface.
○
2 Start the measurement by pressing the OK button.
○
3 The direction of the measured image can be controlled by the direction key of the remote
controller. The picture pointer will follow the change. If you can confirm the direction of the picture,
press the OK button to select, and if you can't, press the OK button to skip the determination of the
picture directly.
