What are the use and adjustment of prismatic compass?
Understand the Problem
The question is asking about the functions and modifications related to a prismatic compass, which is a tool used in surveying to determine directions. The user seeks information on how it is utilized and what adjustments can be made for accurate readings.
Answer
Prismatic compass used for magnetic bearings with adjustments for accuracy: centering, leveling, focusing.
The prismatic compass is used for determining magnetic bearings, often in surveying tasks. Adjustments ensure the accuracy of measurements, which include centering, leveling, and focusing the prism. There are temporary and permanent adjustments to maintain precision during use.
Answer for screen readers
The prismatic compass is used for determining magnetic bearings, often in surveying tasks. Adjustments ensure the accuracy of measurements, which include centering, leveling, and focusing the prism. There are temporary and permanent adjustments to maintain precision during use.
More Information
The prismatic compass allows surveyors to measure bearings relative to the magnetic meridian and can assist in navigating by aligning it with magnetic north.
Tips
A common mistake is not performing the adjustments properly before taking measurements, which can lead to inaccurate results.
Sources
- Prismatic Compass: Learn its Parts, Working, Advantages - Testbook - testbook.com
- Prismatic compass - Wikipedia - en.wikipedia.org
- Prismatic Compass Survey | PDF - Scribd - scribd.com
