Setting Up As A Real-Time Base - Leica GS18 User Manual

4.1.2
Use
Description
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4. Place and lock the carrier in the tribrach.
5. Insert the data storage device and the batteries into the GS.
6. Screw the GS onto the carrier.
7. Check that the tribrach is still level.
8. Insert the data storage device and the battery into the field control-
ler.
9. Switch on the field controller and connect it to the instrument if
necessary.
10. To hang the field controller on the tripod leg, use the hook on the
hand strap or use the utility hook. Refer to the User Manual of the
field controller.
11. Insert the height hook into the carrier.
12. Measure the antenna height using the height hook.
13. Press the ON/OFF button on the instrument for at least 2 s to
switch on the instrument.

Setting up as a Real-Time Base

The equipment setup described is used for real-time base stations with the
need of optimal radio coverage. Raw observation data can also be collected
for post-processing.
The GS18 instrument can be programmed with the field controller before use
which can then be omitted from the setup.
The connection between GS18 and the field controller is made via Bluetooth or
WLAN.
The radio antenna (GAT28) is directly mounted downwards facing at the GNSS
antenna. Alternatively, the radio antenna (GAT1/GAT2) can be mounted on the
antenna arm (CA41) which clips to the GNSS antenna.
The GNSS antenna is mounted directly using screw fitting. If using stub
•
and adapter, procedures can vary slightly.
When using the adapter and carrier, ensure that the antenna and the
•
adapter assembly slide down the full length of the carrier stub. An incor-
rectly mounted antenna will have a direct effect on the results.
Standard radio is used throughout the instructions. Digital cellular phones
•
can also be used but the setup can differ slightly.
Use an external battery such as GEB371 to ensure operation for a full day.
Operation