In survey work, the Total Station has to be handled properly. From the following options, mark the improper way of handling the total station:
1
When moving from one station to another, the total station is moved by fixing it on a tripod stand.
2
The Total Station is removed from its carrying case by holding the handle or stand.
3
Before removing the tripod, the foot screws are brought to the midpoint of the post.
4
After loosening all the locks of the total station, it is placed back in the carrying case.