Topcon GLS-1000 SERIES, Instruction Manual

Page: 36 / 76

5-2
5 Instrument Settings
5.1.2 Tilt Setting
When the auto tilt correction function of the vertical and horizontal angles is turned ON, the 2-axis tilt
sensor is activated, and tilts in vertical and horizontal angles due to inclination of the standing axis will
be corrected automatically.
To ensure precise scanning, use the instrument with the auto tilt correction ON. If the tilt is out of
automatic compensation range, [TILT OVER] display will appear on the screen. In such case, level the
instrument. When the tilt comes into the automatic compensation range after the leveling, the screen
will automatically return to the display before the [TILT OVER] display.
z GLS-1000 compensates both the vertical angle and the horizontal angle readings due to inclination
of the standing axis in the X and Y directions.
z The display of Vertical or Horizontal angle is unstable when instrument is on an unstable stage or a
windy day. You can turn off the auto tilt correction function of V/H angle in this case.
5.1.3 Zoom Control (Zoom setting)
The zoom control function is used to select the best optical zoom system based on the scanning
distance, scanning precision, and scanning time. The GLS-1000 is equipped with three types of optical
zoom systems and the ability to change the size of the beam spot according to the scanning object,
which allows you the choice of obtaining a highly precise three-dimensional data or a quick scan.
Select the following two items below according to the scanning conditions.
Selection item (1)
Selection item (2)
The setting will become invalid when the power is turned off. Please set the scanning mode each time
the instrument is used for measurement.
UNDER 50m
Select when the distance between the instrument and the scanning
object is 50 m or less.
OVER 50m
Select when the distance between the instrument and the scanning
object is over 50 m.
NORMAL Use one optical zoom system. Scanning time is quickest.
FINE Use two optical zoom systems which measure with high precision.
Scanning time is about twice that of NORMAL mode.
SFINE Select the optimum use of three optical zoom systems which measure
with the highest accuracy. Scanning time is three times that of
NORMAL mode.
Zenith
Standing
axis
Inclination of the standing
axis in the X direction
Zenith
Inclination of the standing
axis in the Y direction
Trunnion axis
Horizontal
Standing axis