Section #3 – Survey Measurements 31
Electronic Copy of LTI's UltraLyte LR B User's Manual - 2
nd
Edition © 2002
Measured
Calculated
slope
distance
horizontal distance
inclination
vertical
distance
Section #3 – Survey Measurements
Your UltraLyte LR B may not include the Survey Mode. It is
a factory-defined option that is set when the instrument is
shipped.
In any survey, there are four measurements to be taken: slope
distance, inclination, horizontal distance, and vertical distance.
Figure 20 defines the four measurements and shows the
relationships among them.
The UltraLyte LR B takes only slope distance measurements,
and has no way to measure angles.
When the Survey Mode is
active
:
• The triangle icon in the lower, left corner of the display screen
indicates that the instrument will take a slope distance
measurement.
• The “SURVEY” indicator appears near the center of the display
screen. This means that the instrument is in Survey Mode and
is prepared to take a slope distance measurement.
• Unlike the Speed Mode, if the in-scope red aiming dot is no
longer active, you will need to press the TRIGGER twice. The
1
st
button press turns ON the aiming dot. The 2
nd
button press
fires the laser.
• Dashes indicate where the range measurement will appear.
• “F” means the distance will be measured in feet.
(“M” indicates meters.)
Figure 20. Survey Measurements
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