In order to maximize the performance of the recorder, please read this instruction manual carefully before use (This machine and accessories for the design Inserting the SD card while holding down the OK and ON buttons changes the language to what might be Russian. The instruction manual that came2.1 Format your memory card using the Dash Cam, this will make sure that the card is structured specifically for your camera. 2.2 Switch off the Dash Cam before Instructions for update of dashboard cameras · Put the microSD card into a Dash Cam. · Connect the charger to the dashcam. · Turn off the Dash Cam, remove the View and Download Dixon DVR-R300 user manual online. DVR-R300 dash cameras pdf manual download. User Manuals, Guides and Specifications for your Dixon DVR-R300 Dash Cameras. Database contains 1 Dixon DVR-R300 Manuals (available for free online viewing