While studying the BE1801, I found information about the test menu. After checking the communication protocol, I came to the conclusion that the test menu should be in Mercedes, so I began to actively study this issue. The same combination did not lead to anything. After a while, I managed to find the right key combination:
- Power On
- Press "*"
- Simultaneously press two lower right buttons (depending on the model, the icons may be different)
What for? I don't know, but it may be useful for someone, for example, to check the LCD
- Power On
- Press "*"
- Simultaneously press two lower right buttons (depending on the model, the icons may be different)
What for? I don't know, but it may be useful for someone, for example, to check the LCD
