1. First, determine the position and switch status of the control panel of your Hisense freezer. The control panel of most Hisense freezers is located on the door or side, and its power switch is usually located at the top or bottom of the temperature control zone.

2. Open the door of Hisense freezer to ensure that the internal temperature has reached the ideal temperature. If you are not sure about the appropriate temperature, it is recommended to check the user manual of Hisense freezer or contact the manufacturer for enquiry.

3. Determine the temperature of Hisense freezer you want to adjust. Most control panels use digital displays or sliders to select the desired temperature.

4. When you select the required temperature, press the "Confirm" or "Set" button. At this point, you should hear a confirmation sound or see the corresponding light come on.

5. Then, close the door of Hisense freezer and wait for a few minutes for the adjusted temperature to take effect.

6. You can check the temperature of your Hisense freezer regularly to ensure that it meets your requirements. If the temperature is not suitable, you can repeat the above steps to adjust the temperature setting.

In a word, it is very simple to adjust the temperature of Hisense freezer, just follow the above steps. If you encounter any problems or need more detailed instructions, please refer to your user manual or consult the manufacturer's support personnel.