IX. OSD (ON SCREEN DISPLAY) SCREEN ADJUST FUNCTION
A.OSD buttons
The 4 OSD control buttons are above the power switch button on left side of the LCD panel.
“OSD” button: To enter OSD setup menu, or to perform function selected in OSD operation.
“NXT” button: To go to next option function.
“”
“” button: To increase setting value.
“” “” button: To decrease setting value.
B.OSD functions
Press “OSD” button with a normal display on the screen to activate the OSD functions (On Screen Display adjustment). The OSD window will pop up on the screen. On top part of this window is a Posiflex logo with the OSD firmware version indicated to its lower right. Below this area is a row of icons for main OSD menu. Below the main menu is a group of icons for submenu that corresponds to one icon selected in the main menu. An analysis of the video signal on resolution and refresh rate will be displayed at the bottom. Applicable icons in the main menu and its subsequent menus are explained below.
“MAIN MENU”: There are in total 5 icons in this menu: One of the 5 icons will be displayed in inverted color to indicate its 
relationship with the submenu below. Pressing “NXT” button will shift the selected icon one by one from left to right and then wrap around to the most left. Press “OSD” button to enter the selected sub menu. If there is no button for OSD setting is pressed within a period of time (about 5 seconds to 1 minute as programmed) the OSD window will disappear with all the adjusted parameters saved. Explanations on items in sub menu are as below.
“BRIGHTNESS / CONTRAST ADJUST SUBMENU”: There are 3
icons in this submenu:Press “OSD” button to select item or return to main menu. Press “NXT” button to select among brightness, contrast and exit.
“BRIGHTNESS ADJUST”: When this item is selected, there will be only the brightness icon with an adjustment indication bar under it between the main menu area and the video signal mode. Press “+” button to increase brightness. Press
“CONTRAST ADJUST”: When this item is selected, there will be only the contrast icon with an adjustment indication bar under it between the main menu area and the video signal mode. Press “+”
Part 8