How to adjust the speed settings on the Burchda B27 display (VA35 model)?

June 13, 2026

1. From the startup screen, press and hold the [Set] button for 3 seconds to enter the parameter settings menu; then, simultaneously press the [+] and [-] buttons to access the P1 password screen.
2. Enter the password "2847" (short-press [+] or [-] to adjust the digit value, and short-press the [Set] button to move to the next digit). Once "2847" is entered, short-press the [Set] button to confirm and enter the speed limit settings screen.
3. On the speed limit screen, use the [+] and [-] buttons to adjust the speed limit value; once the desired value is set, press and hold the [Set] button to save and exit.

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