1. Menu/select: Opens, selects or exits the OSD menu.
4.
Power LED: fully powered = green; sleep mode = amber;
sleep timer mode = flashing amber.
2. "-"/Auto: Navigates backward through the OSD menu and
decreases adjustment levels; when the OSD menu is inactive,
activates the auto adjustment feature to optimize the screen
image.
5. Power: Turns the monitor on or off.
3. "+": Navigates forward through the OSD menu and increases
adjustment levels.
Model
GP537AA