Boss Audio BV9370NV User Manual in English - Page 13

INSTRUCTIONS GPS Navigation Function Operation 1 Navigation Function Operation For detailed operation of navigation function, see "Navigation Operation Manual". 2 Receiving signal error When the satellite signals can be normally received, the error of standard GPS shall be about 7 meters. Driving on parallel sections,there shall be error even the product has auto-correct function. The normal receiving of satellite signals shall be affected and cause error in following environment: In tune Among tall buildings At the boulevard The antenna is sheltered Underground parking Overpass or viaduct 3 Satellite receiver Navigation system can keep receiving eight satellite signals. As a general rule, the navigation system can figure out your accurate location after received 3-4 satellite signals. But sometimes, weather and tall buildings in the city shall affect the signal receiving effect, as is shown in following figure: Other functions Rear view function In any running state, the video signal can switch to reverse video state when reversing the car, and the system shall return to its initial running state after reversing the car. Warning Do not rely on CCD system completely, please make sure your car is safe by your eyes during driving.Back rearview system only assists in driving. As the distance range of rearview system is limited, completely relying on the rearview system during driving may cause accidents. Reverse field simulation Rearview backup image 12