Справочник Пользователя для Boxlight PREMIERE 30HD

Easy to Use Functions

This function allows for Keystone correction.

•  When the image is projected either from top 

or from bottom toward the screen at an 
angle, the image becomes distorted 
trapezoidally.
The function for correcting trapezoidal 
distortion is called Keystone Correction.

•  The Keystone Correction can be adjusted 

up to angle of approximately ±15 degrees.

•  “KEYSTONE” does not work with the 1080I 

input signal.

(On-screen Trapezoidal Distortion) 

Correction and the adjustment of the vertical 
size of the picture.

 

“H-Keystone” in the layout.

Press“W” or “X” to adjust the 

•  Since the trapezoidal distortion of the image 

can be corrected up to an angle of 
approximately ±15 degrees, the actual 
screen can be diagonally set up to that 
angle as well.

•  Straight lines or the edges of images may 

appear jagged while adjusting the image.

Normal screen

Keystone Correc-
tion screen

Vertical size 
adjustment screen

* “V-SIZE” is not dis-

played when the value 

of “KEYSTONE” is “0”.

Compresses 
upper side.

Compresses 
lower side.

Selected item

Description

H Keystone

Horizontally adjusts the 
keystone settings.

V Keystone

Vertically adjusts the 
keystone settings.