2. The direction of the content displayed by the projector is incorrect or the content is incomplete after being zoomed in. The video presenter mode has no rotation and movement functions. You can adjust the content by rotating or moving the physical object. 4.1 After Sale Service and Guarantee Chapter IV Terms of Service Dear user, thank you for using the smart scanner manufactured by our company. To protect your legal rights, please peruse and comply with the following standards and reminders. All after sales policy of this product shall be subject to the laws and regulations of the country of sales. The scope of warranty covers the scanner device, the adapter, the hand button, and the foot pedal. Consumables and external appearances are not covered by the warranty. When sending in the product for repairs, please contact us or our local agent. We apologize for not issuing notices for subsequent upgrades or version updates of the product. This Company reserves the right of final decision on the interpretation of the above articles. · · · ·