How To Adjust The Contrast On The Gateway
Symptoms/Issue
The LCD is hard to read or in some cases blank but otherwise the gateway works just fine
Description/Explanation of Issue
The LCD could be bad, but sometime the contrast is off.
Fix/Solution
- Open the gateway
- locate and adjust the potentiometer (usually next to the LCD connector) P1
- Adjust it until characters are visible (the clicks indicates the reach of the limit)