Topcon GRS-1 User Manual

Using the GNSS Compass, Camera
GRS-1 Operator’s Manual
4-6
2. Press Calibrate, and then start the calibration as shown in
Figure 4-3.
Figure 4-3. Begin Compass Calibration
3. Hold the GRS-1 horizontally in your hand and turn to any
direction.
4. Rotate the device 360 degrees in a horizontal direction for five or
more seconds. See Figure 4-4.
5. Rotate the device 360 degrees in a roll direction for five or more
seconds. See Figure 4-4.
6. Rotate the device 360 degrees in a pitch direction for five or more
seconds. See Figure 4-4.
7. Turn your body 90 degrees in any direction, and repeat steps 4, 5,
and 6.
Figure 4-4. Calibrating the Compass
A
B
C
A
B
C

Topcon GRS-1 Specifications

General

Brand	Topcon
Model	GRS-1
Category	GPS
Language	English