Encore electronic ENXTV-X2 - Manual (Page 15)

SYS
TVSYSTEM: PAL system standard setting
BLUESCREEN: Background color is blue when no signal input
VIDEOSOURCE: TV\AV\SV input video source selection
DISPLAY SCALE: Switch to wide image resolution.
RESOLUTION: Output image resolution selection
DISPLAY TYPE: Support CRT OR LCD output
RESET: Comeback factory default setting