GT-DM Factory Reset

Maya Patton
2025-12-16T17:50:07Z

Summary

Steps on factory resetting a GT-DM or GT-DMA Entrance Station.

Solution

1. Turn on all switches (1-4) of SW1 and switches 2, 3, and 4 of SW2.

2. Turn on the power while pressing down the up and down arrow buttons.

3. Release the up arrow button after a beep is emitted and “Blue back” is displayed.

4. Release the down arrow button.

5. Press the X and Bell buttons.

6. “DELETE” is displayed during the initialization.

7. “Voice sentence” will be heard and the display turned off when it is done.