5
Operation
5.2.2
Changing the direction of the angle measurement
With the
button, the measuring direction of the horizontal angle measurement may be
R/L
changed from measurement in the clockwise direction (standard display "HR") to measure-
ment in the counter-clockwise direction (display "HL"). To return to clockwise measurements,
press the
button again.
R/L
Clockwise direction
5.2.3
Freezing the display
The angle display of the horizontal circle can be locked at any time by pressing the
button. The horizontal angle will now flash, the direction indicator flashes HRL.
Pressing the
HOLD
Theodolite ET-5 Operating Instructions
button once more unlocks the display.
Counter-clockwise direction
EN
HOLD
22