How to use the compass of the compass, how to use the northeast and northwest compass, how to use it

1. How do you think of the compass?

The one -end of the compass of the compass will point to the south with the white end of the white, and the red or darker end will point to the north; that is, the direction of the n indication is the south, and the direction of the S indicator is the north.If you use an electronic compass such as a mobile phone, you need to calibrate first, stay away from the magnetic field, and then the red needle can determine the direction.

Guide needle, in ancient times, was called Sinan. The main component was a magnetic needle installed on the axis. The magnetic needle could rotate freely under the action of a natural magnetic field and keep it on the direction of the tangent of the magnetic meridian.One performance can be distinguished.

How to use the positioning of the compass

1. First hold the compass with your hands, turn around in place, and stop to the red pointer with the north.When the red pointer and the north are combined, the northeast and northwest of the compass are the actual southeast and northwest.

2. Put the compass flat, so that the pointer can rotate freely, rotate the shell of the compass needle, so that the finger is targeted at the scale of the north and south directions, and maintains the scale of the finger targeting the north and south directions.The point of the guideline is a straight line with the direction scales you want to find, which is the direction you are looking for.

Third, the basic knowledge of the use of compass

1. The compass can help you determine what direction faces the face; if you think of it as a dial, then the north direction is the direction of 12 o'clock, the east direction is 3 o'clock, the south direction is 6 o'clock, and the west direction is 9 o'clock.

2. In addition, it can rotate a whole circle like the pointer of the clock. The difference is that it can turn it upside down.

3. This rotating pointer always points to the north, and the end of the north is usually made into the shape of the arrow, or red.

4. When using, you should flatten the compass, don't let the pointer shake.

5. Let the compass away from metal objects.scissors, flashlights, and even keys will interfere with the accuracy of the guidelines pointing.