SET-UP AND OPERATION OF EDM
Preliminaries: Ensure all batteries are put on charge
well before the meeting.
Assembly and Levelling:
Ensure tripod is set firmly into the ground at a convenient working height for all users with top plate as
level as possible (use spirit level).
Turn the instrument so that the keyboard is over two
foot screws.
Check level on display - adjust on tribrach foot screws to centre
both index marks. The 2 screws under the keyboard act on the
bottom line (adjust both out or both in- the mark will move in
the direction of your left thumb. Use your right hand for the
other screw without turning the instrument. The mark will follow the direction of your fingers.
Prolonged adjustment will turn the instrument off.
When adjusted press YES
The instrument will show
Turn the instrument in the direction of the arrow until the
screen shows
Enter approx. temperature, press ENTER (Yes)
Enter approx. atmospheric pressure, press ENTER (Yes)
Enter prism constant (Zero for our prisms), press ENTER (Yes)
Enter horizontal component , press ENTER (Yes).
Now turn to event set up pages
12:31
Turn 180 →
12:31
Press A/M