The adjustment mode of the treadmill in teng letter Gym will be different due to the specific model. Generally, the following are the general adjustment steps:

1. Start the treadmill: Generally, there is a switch/start button on the treadmill. Press this button to start the treadmill.

2. Adjust the speed: There will be a speed adjustment button or panel on the treadmill, which can be used to increase or decrease the speed of the treadmill. Gradually increase or decrease the speed according to your needs.

3. Adjust the slope: Some treadmills also have the function of adjusting the slope. There is usually a slope adjustment button or panel. You can increase or decrease the difficulty and slope of the action by pressing the button or adjusting the slope on the panel.

4. Stop and emergency stop function: There are usually stop buttons or emergency stop buttons on the treadmill, which are used to stop the treadmill in an emergency during exercise. Make sure you know and are familiar with how to use these features to ensure security.

Please note that the above steps are only general guidelines. For different types of treadmills in teng letter Gym, the specific adjustment steps may be different. It is recommended that you consult the user manual of the treadmill or contact the relevant manufacturer or after-sales service to obtain the detailed operating instructions of the treadmill you use.