NEC A700 JC-1736VMB - Manual (Page 15)

OSM buttons on the front of the monitor function as follows:
PROCEED Moves the highlighted tab right to select one of the
control menus and loops around.
CONTROL Moves the highlighted icon left/right to select one of the
controls
CONTROL + / - Moves the bar in the + or – direction to increase or
decrease the value of the selected control.
RESET Resets the selected control to the factory setting
EXIT Exits OSM
OSM Elements:
Highlight:
Indicates the selected menu in yellow.
Indicates the selected control in green.
Scroll Bar: Indicates direction of adjustment.
Accessing OSM: Press any of the control buttons + / - , or the
PROCEED or EXIT button to view the current settings.
E - 10 On-Screen Manager (OSM )