1. Engine RPM settings
Press and hold the S1 button for 4 seconds, the RPM icon will be displayed, and the LCD will display 01 (2 ignitions per rotation of the spark plug); 02 (one ignition per rotation); 03 (other rotations); 04 (only display time, not display revolutions per minute). Once you have found your ideal spark plug ignition method, please release the S1 key and the LCD will flash for 8-10 seconds and return to the total timing mode. The default setting is 02.
2. Maintenance time setting
Press and hold the S2 key for 4 seconds, the display numbers will flash, and the SERVICE icon will be displayed. Press and hold the S1 key to automatically increase the number, and when the desired number is reached, release the S1 key. When the maintenance time you set is reached, the service warning icon flashes.