Bússola portátil de camping/trilhas ao ar livre com capa articulada em plástico verde militar (venda por atacado)

How to use the multifunctional compass (1) Determining the direction: 1. Determine the local east, south, west, and north directions (1) Turn on the compass! Adjust the direction indicator△Aim at 0； (2) Turn the compass until the magnetic needle points to the north, at which point the direction indicated is north. You can then directly read the directions east, south, west, and north on the directional glass. 2. Calibrate the graph to ten thousand decimal places Calibrating map bearings involves using a compass to align the map's bearings with the current location's bearings. (1) Turn on the instrument and adjust the dial base so that the direction indicator..△Aim at 0； (2) Use a surveying ruler to make it tangent to the true meridian on the map; (3) Rotate the map so that the north end of the magnetic needle points to the value of the region's magnetic declination angle; then the direction on the map will be exactly the same as the current location's direction. 3. Determine the magnetic bearing angle A, Determine the magnetic bearing angle of the target on the map (1) Use a compass to accurately calibrate the map and keep the map stationary; (2) Position the measuring ruler so that it is tangent to the line connecting the current point and the target point, and adjust the dial base so that the indicator..△Align with the 0 mark line; (3) After the magnetic needle comes to rest, the value on the dial indicated by its north end represents the magnetic bearing angle from the current point to the target point. B, Determine the magnetic bearing angle of the local target Turn on the instrument so that the direction indicator is activated△Align it at 0 degrees and make the reflector slightly angled at 45 degrees to the dial base (2) Insert your thumb into the lifting ring, hold the instrument horizontally, and aim the crosshair towards the target being measured (3) Observe the indication on the dial corresponding to the north end of the magnetic needle through the reflector; this indicates the magnetic bearing angle of the target location Box dimensions: 40.5*26*28.5CM, 144 PCS per box, weight 13KG