RF normal: refers radar machine Navigator connection is successful. Check the navigator and radar machine when RF off whether normal, the connection is not normal the Please check navigator cable whether connect correctly (white pick radar machine, black pick navigator), radar machine sense of degree whether for ultra- high, the electronic dog configure radar port is correct. Navigation Procedure A: the current navigation path for navigation A Mute constant speed: 50km / h: the said the machine settings radar mute constant speed of 50km / h. Positioning Status: Invalid: indicates the state of the current positioning is invalid (the machine is not connected to the signal search signal to the Outdoor to try) SD: V: 2.1.34: SD card version number P: 20140117: express authorization file the time of maturity. D: 20110316: indicates the date of the updated electronic dog data file. New coordinates: machine encountered traffic lights not called, you can click this button to achieve self-built coordinates. Delete coordinates: the coordinates of the location of the original self-built, after the update data broadcast two warning tone can be self-built coordinates delete navigation A: The default for Kay Rucker map (click navigation A Kay Rucker map) to enter; navigation B: The default map are E city map or PAPAGO map (click navigation B to enter the E the urban map or PAPAGO map) O km / h: indicates the speed of the vehicle. 14:57:19: that the current satellite time. Website: www.lnsu100.com Tel: 4000083066 Contact QQ: 400 008 3066 Contact: Miss Xu