Topcon HiPer+ - Page 121

Receiver Problems
P/N 7010-0526
6-7
• Check the elevation masks of the Rover and Base receivers;
they should be the same. See page 3-19 for information on
setting the elevation mask.
D A discrepancy exists between the differential standards used at
the Base and Rover receivers.
Ensure the Base and Rover receivers use the same corrections
input/output format:
1. Connect your receiver and a computer and start PC-CDU.
See “Connecting the Receiver and a Computer” on
page 2-14.
2. Click ConfigurationReceiver and the Ports tab. Use
the same input/output format for both receivers.
D Poor satellite geometry (PDOP/GDOP values are too high).
Conduct your survey when PDOP values are low.
D The elevation mask is above 15 degrees.
Lower the elevation mask. See page 3-19 for information on
setting the elevation mask.
D The Base modem output power is disabled.
• Check to be sure that RF transmit power is enabled using
TopSURV.
• Using TopSURV, check to ensure the radio is configured as
a Base radio and the correct Output Power setting is
selected.
D The modem battery is low.
• Attach an external power source to the receiver. See
“Powering the Receiver with an External Battery” on
page 2-12.
• See “Charging the Internal Batteries” on page 2-7 for
further information on powering the HiPer+.