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b. Press “
△
” or “
▽
“ to increase or decrease the contrast of the display. Then press “1” to confirm the
adjustment and back to OSD main menu.
2) Brightness
a. Press “
△
” or “
▽
“ to move the highlight to Brightness and press “1” to enter.
b. Press “
△
” or “
▽
“ to increase or decrease the brightness of the display. Press “1” to confirm the
adjustment and back to OSD main menu.