IQQI Car Guide Ball Digital Compass Boat Dashboard Navigation Marine Pivoting Compass Compass with Angle Adjustment Function

Product description Manual: 1. The direction of red indicator line of the compass is the direction of the car driving. 2. Due to the interference of magnetic objects in the car, will make the compass deviation, the product has adjustment and correction device. Method steps are as follows: (1) North-South deviation adjustment a: Park the vehicle in a north-south direction. b: Select your convenient observation and the relatively small interference with the car placed on the compass. c: Compass placed in a position, observe the red indicator line. The red line should be aimed at the north without interference from the magnetic field inside the car. In the case of magnetic interference by the car under the red indicator line and North will have deviations. At this point with the regulation piece into the North-South adjustment hole rotation so that the dial on the north and red line alignment. (2) East-west direction deviation adjustment a: Park the vehicle in the east-west direction. b: When the red line of the compass is not aligned with the east of the dial, insert the adjusting key into the hole of the adjusting hole and turn the key to align the east and red tick marks on the dial. Specifications: Main Material: ABS Color: Black Size: 8 x 7.2cm/3.15'' x 2.83'' Package Weight: 100g Package Included: 1 x Compass 1 x Magnetic Declination Adjustment Plectrum 1 x Gummed Paper 2 x Screws 1 x Manual Book