Dwyer PSX2 - Manual (Page 136)

127
10.6.4 LCD check
The display unit uses 4.7 inch color graphic display
(240×320 dots). This function checks pixels of the liquid
crystal display by displaying 16 colors in the horizontal
stripes.
There is a possibility that surface irregularity occurs in
the brightness due to characteristics of liquid crystal
display. You are kindly requested to understand it in
advance.
Press the
ESC
or MENU key for returning from the LCD
check screen.
Bulletin F-9-PUX2