User's Manual

SPSx50 Modular GPS Receiver User Guide 51
Setting up the Receiver 5
Tripod Setup
In the tripod setup, the tripod is located over the control point, the tribrach and
tribrach adaptor is mounted on the tripod and centered over the point.
1. Mount the GPS antenna on the tribrach adaptor.
2. If you are using a SPSx80 smart GPS antenna, use the 25 cm spacer rod provided
with the SPSx80 base station accessory kit to allow the radio antenna in the
receiver to clear the head of the tripod.
3. Clip the GPS receiver to the tripod (SPSx50 Modular GPS receiver and SPS770
GPS receiver).
4. Connect the GPS antenna using the appropriate cable (SPSx50 Modular GPS
receiver and SPS770 GPS receiver).
5. If necessary, connect the GPS receiver to an external 12 V power supply using
the crocodile clip cable or the Trimble custom power pack.
Figure 5.3 Tripod and tribrach setup for the SPSx50 Modular GPS receiver and SPSx80 Smart GPS
antenna