Osoto A Series Operation Manual page 14

☆ OPERATION：
OSD menu operation: PICTURE, RGB, RESOLUTION and
SYSTEM. Operate as shown below:
In the normal state, press FOCUS for 3 seconds to enter
into the main menu, and then press WIDW or TELE button to
enter into PICTURE, RGB, RESOLUTION or SYSTEM setup.
After entering into the menu, press WIDW or TELE to select
the option to be set up, and then press Far or Near to set up
the detailed specification under each option.
Pressing "Tele" "Wide" to come to the image setting
selection, pressing "Focus" to come to operation, pressing
"Tele" "Wide" to select operation items needed, pressing "Far"
"Near" to setup the selected items. After entering the image
setting, which could setup the brightness, contrast, saturation
and acutance .
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