User's Guide

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button in the power-on state to select shutdown according to the pop-up prompt, as
shown in Figure 6.
Figure 5 Boot screen
Figure 6 Shutdown prompt
4.6 Diopter adjustment
The night-vision has a diopter adjustment of -4～+4. When the interface icon or text
on the screen is blurred, it means that the eyepiece view does not match the user's
view. Please adjust diopter.
After startup, slowly turn the eyepiece adjustment ring until the icon in the picture is
clearly visible. Then the eyepiece has been adapted to the user's eye and the
adjustment is completed.
4.7 Infrared lens focus
Focus by rotating the objective adjusting ring, until the image is clear.