What are the commonly used electronic measuring instruments and their methods of use? A little overall
As far as these instruments are concerned, they are all electronic. Electronic level and theodolite use, more general instrument is the same, just add electronic computing system, for recording and some limit setting, and some are added electronic distance measurement function. The use of these instruments is hard to say for a while. You can look at the instructions on the internet.
Measuring instruments are: level, theodolite, total station and GPS and so on. The total station and the GPS are electronic, the standard and longitude and latitude are also electronic.