Irwin EM50 Instrucciones De Funcionamiento página 42

Indirect measurement-determining a
distance using 2 auxiliary
measurements
Indirect measurement-determining a distance using 3 auxiliary
measurements
For measuring building heights.
Press this button twice, the display shows the following symbol:
42 | English
Aim at the upper point (1) and trigger the measurement . After the
first measurement the value is adopted.
Press and hold down this button to trigger continuous measure-
ment, sweep the laser up and down over the ideal target point (2).
Press to stop continuous measurement point (2). The value is
adopted.