1. Turn device off
2. Hold the back light button down and press the power button once firmly then release both buttons
3. Contrast screen should appear
4. Adjusting the contrast up or down as desired
5. Hit the OK button.
1. Turn device off
2. Hold the back light button down and press the power button once firmly then release both buttons
3. Contrast screen should appear
4. Adjusting the contrast up or down as desired
5. Hit the OK button.