Taking A Height Measurement - Laser Technology IMPULSE LR User Manual

T H M
AKING A EIGHT
Measuring a height presents a simple geometric
problem easily within the capabilities of the Impulse
200: solve the triangle formed by the object, the
ground, and the instrument.
A
Height measurement: The instrument first
calculates AD, then measures angles CAD and
DAB. It then calculates BD and DC. The height is
the sum of BD and DC.
Page 27
EASUREMENT
B
D
C
Electronic Copy of LTI's Impulse User's Manual 8
The Impulse implements the process with the HT
option. The option works by requiring that the
measurements be taken in a specific order. The
procedure is in the table on the next page; it begins
by assuming the Impulse is powered off.
You will notice, by the way, that an option is often
presented in the procedure surrounded by a
nimbus, like this:
That simply indicates that, on the screen, the option
will be flashing on and off. A flashing indicator
shows you the measure-ment you need to take
next; the indicator for the number being displayed
also shows on the screen, but does not blink.
HD
th Edition © October 1998