Custom backup keys for customer preparation,the corresponding function is
connected with the interface board.
1.4.4 Screen button function
：
(Pls see the 7 point, screen menu to adjust the
guide)
FIG5 Screen Button
“Menu”
menu button
“
Auto
” Automatic adjustment key
“
▲
”Variable increment key
，
“
▲
”Variable reduced key
，
“
”Screen Power Switch button
。
“
LED
” Power indicator
（
Red means no have signal, Green means have signal)
2. Features and Major Technical Indicator
2.1 Structure Features
The part of screen Lift is adopt bilateral synchronous belt wheel with linear
optical axis transmission and low noise and stable structure. Screen frame is
adopt pure aluminum with tempered glass front and rear, high-end
atmosphere.
