Other Measurement Functions; Measuring Horizontal Angle; Using The Instrument As A Standard Level - Topcon DL-501 Instruction Manual

13.OTHER MEASUREMENT FUNCTIONS

13.1

Measuring Horizontal Angle

You can measure the horizontal angle between point A and point B by using the horizontal circle.
13.2

Using the Instrument as a Standard Level

By using the numeric scale side of the staff, you can use the DL as a standard level. Simply focus on
the staff using the eyepiece and read the scale.
In the Height difference measurement mode, manually sighted Rh values and distance values (Hd)
measured using the stadia lines can be manually input in the currently selected route by pressing
[INPUT] in the second softkey page of the backsight/foresight measurement screens.

"12.2 Height Difference Measurement" step 9

• The instrument can be used as a standard level regardless of whether the power is on or off.
However, pressing the Measure key when the power is on will result in an error.
A B
Horizontal
angle
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