2. Confirm that mahjong machine is in the reset state.
3. Press and hold two opposite dice buttons and hear the ticking sound of the machine, indicating that the machine has been reset.
4. Press and hold the East and South dice buttons at the same time to enter the shift mode. A red light indicates entering shift mode.
The two red buttons on the machine are shift keys, which can shift gears according to your own needs.
6. After gear adjustment, press any subkey to confirm the gear.