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Usage Instructions
How to use the measuring instrument:
When the roller rolls between two points on the map, the distance indicator pointer rotates accordingly. This value is recorded using the appropriate scale factor, multiplied by a proportion coefficient, which yields the actual distance between the two points. This is much more accurate than the straight-line distance measured with a ruler. The map distance meter is convenient and efficient for measuring the actual distance of curved routes on the map.
Packaging size: 9.5*5*1.5 cm; product size: 9.5*4.5*1 cm; white box packaging
Packaging weight: 28g
Product net weight: 21g
Precautions:
1. Use in a horizontal position to ensure accuracy as much as possible;
2. To prevent the magnetic needle from becoming confused, keep a certain distance from wire mesh and magnetic objects when using it;
3. Do not use a surveying tape to hit objects, as this may affect measurement accuracy;
4. The surface and lens must remain clean; do not use dirty cloths or hands to wipe them.
5. Close it when not in use, and keep it away from ferromagnetic materials to prevent magnetic loss.
Product Uses
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