EN 8
Operating manual – laser distance measuring device BD21 / BD26
Performing a non-stop / min and max measurement
Use the non-stop measuring function to correlate
measurements e.g. with construction drawings. With this
measurement method the device can be moved closer toward
the target with the measured value being recalculated roughly
every 0.5 seconds. The corresponding maximum and minimum
measured values are displayed in the first and second line
respectively.
For instance, you can direct the laser beam at a wall and then
retreat from it step by step. Keep reading the measured values
until the desired distance is achieved.
1. Press the Switch-on/measurement button(7) for a long time
until an acoustic signal can be heard.
2. With reference to the target point, move the device slowly
back and forth as well as up and down (e.g.in a corner).
3. Briefly press the Switch-on/measurement button(7) to
terminate the non-stop measurement.
ð The maximum and minimum measured values and the
difference(Δ) between these two are indicated on the
display. Additionally, the last measured value will be
displayed in the bottommost line.
Indirect height measurement (Pythagoras)
Using this method the length of an unknown straight-line
segment can be determined via the Pythagorean Theorem. This
method is suitable for e.g. height measurements.
The measurement result is calculated by determining the
distance A and the inclination angle (standard setting) or by
determining the distances A and B.
Measurement with distance A and inclination angle:
1. Briefly press the Button for indirect measurements(9) one
time.
ð The symbol for indirect measurements appears on
the display.
ð The inclination angle is displayed in the third line of the
upper measurement value display on the right-hand
side (see example 33.0°).
ð The bar with number 1 (hypotenuse) flashes.
2. Aim the device at the highest point(A) and briefly press the
Switch-on/measurement button(7) once to perform a
measurement. Make sure to hold the device as steady as
possible and place it level on the ground with the two rear
edges. The position at the two rear edges must not be
changed during the measurements!
ð Both measurement and calculation are effected.
ð The horizontal (1st line) and vertical (2nd line) distance
values are indicated in the upper measurement value
display.
ð The line segment to be determined is displayed as
result in the lower measurement value display(25).
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