STONEX R2
13.10 PARALLEL BETWEEN LINE OF SIGHT AND EMITTING
PHOTOELECTRIC AXIS
Check:
1. Set the reflector 50m away from the instrument.
2. Collimate the center of the reflector prism with reticle.
3. Switch on the instrument, and enter into Distance Measurement Mode. Press [DIST]
(or [All]) to measure. Rotate the Horizontal Tangent Screw and Vertical Tangent Screw to
launch electric collimation and make the light path of EDM unblocked. In the bright zone
find the center of emitting photoelectric axis.
4. Check the center of reticle to coincide with the center of emitting photoelectric axis. If
so, the instrument is proved eligible.
Adjustment:
If the center of reticle deviates from the center of emitting photoelectric axis, user should
send the instrument to professional repair department.
13.11 REFLECTORLESS EDM
The red laser beam used for measuring without reflector is arranged coaxially with the
line of sight of the telescope, and emerges from the objective port. If the instrument is
well adjusted, the red measuring beam will coincide with the visual line of sight. External
influences such as shock or large temperature fluctuations can displace the red measuring
beam relative to the line of sight.
● The direction of the beam should be inspected before precise measurement of
distances, because an excessive deviation of the laser beam from the line of sight can
result in imprecise distance measurements.
Warning
Looking straight at the laser beam should be always considered as hazardous.
Precautions:
Do not stare into the beam or direct it towards other people unnecessarily. These measures
are also valid for the reflected beam.
Inspection:
A target plate is provided. Set it up between five and 20 meters away with the grey
reflective side facing the instrument. Move the telescope to face II. Switch on the red
laser beam by activating the laser-point function. Use the telescope crosshair to align the
instrument with the centre of the target plate, and then inspect the position of the red laser
dot on the target plate. Generally speaking the red spot cannot be seen through the
telescope, so look at the target plate from just above the telescope or from just to the side
of it.
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