SystemAdjusting Settings32The Backlight screen will now appear in the display.• To adjust the brightness, tap the +/- buttons beside Backlight.• To adjust how long the backlight turns off while using battery power, tap the+/- buttons beside Battery.• To adjust how long before the backlight will turn off while using externalpower, tap the +/- buttons beside AC Power.CalibrationTap Calibration on the System screen.To recalibrate the screen, tap the black dot to calibrate the device.