Jinghui factory outlet acrylic transparent scale-hanging rop...

Product name:   acrylic transparent scale-hanging rope outdoor compass

Product number: DC35-1A

Net weight: 22 g

Product material: acrylic

Product packing: regular white box

Qty: 144/case   outer packing size: 50.5*29*33.5CM  

Dimensions MM: length 86x width 60x Transparent plate thickness 3mm

Characteristic features: Compact, easy to carry, suitable for Office, traveling, field trips, compass instrument

 

"Finder"

Measuring the location of North direction. Compass, horizontally on a solid surface, so that the bubble in the spirit level in the Central red circle, static, marked on the dial is in the direction of actual geographical orientation.

"Calibrating maps"
Compass, lying on the map, one end of the front sight towards the map of the Arctic, compass ruler parallel to the magnetic meridian coincides with the map or, turn the map zero the green arrow the dial on the red indicator line, at this point map calibration, which corresponds to the natural terrain features.

"Maintenance"
1, the use and placing a compass when not near the ferromagnetic objects, power lines and electromagnetic devices, and so on, so as to avoid errors and reduce the sensitivity of the compass.
2, when not in use, should be placed in a ventilated and dry place.
3, not weight, throw, throws, so as not to affect its accuracy.
4, when surface dirt, white flannel gently wipe the surface to keep the surface clean.