ADA INSTRUMENTS DigiTeo-10, Operating Manual, Page: 7 / 58

MEASUREMENT FOUNDATION
Digi Teo-2/5/10/20
7
Operating keyboard and operating key
Keys Function 1 Function 2
OSET Setting horizontal 0 Distance measurement
(Connected with rangefinder)
HOLD Hold the horizontal angle Repeat horizontal angle
measurement
SFT Illuminate Select the second
function
R/L Horizontal angle right or left Setting the mode
V% Percent grade of vertical
angle
Output the data
Power switch
Preparative before measurement
1. Level the instrument.
1.1. Level and center the instrument correctly to insure
the best performance.
1.2. Place the tripod.
First, put the tripod leg in the proper position and
tighten the locking screws.
1.3. Leveling the instrument with circular level.
Use leveling screws 1,2 to move the bubble of the
circular level until the bubble of the circular level
until the bubble is now located on a line perpendicu-
lar to a line running through the centers of the two
leveling screws being adjusted. Revolve the level-
ing screw 3 to shift the bubble to the center of the
circular.
bubble bubble