Gnss Receiver Offset - Spectracom VelaSync 1232 User Manual

3.3 Managing References
1. Navigate to
2. The survey status (ACQUIRING, COMPLETE, or progress in percent) is displayed
under the line item Survey Progress.
3.3.3.6 GNSS Receiver Offset
The Offset
"Edit") allows you to enter an offset to the GNSS time and 1PPS reference in order to
account for antenna cable delays or other latencies (entered and displayed in nano-
seconds).
By setting the correct
Offset value to compensate for the antenna and in-line amplifier delays. Under typical
conditions, the expected cable and amplifier delays are negligible. You can calculate the
delay based on the manufacture's specifications.
The offset range is ±½ seconds (i.e. ±500 ms, or ±500 000 000 ns). The default value is
0 nanoseconds, and the resolution is 1 nanosecond.
Configuring a GNSS receiver offset
To configure the GNSS receiver offset:
1. Navigate to
2. Click on the GEAR button next to the GNSS Reference. The
open:
134
INTERFACES > REFERENCES: GNSS
Note: Once a survey has been initiated, the Survey Progress may
not be displayed right away until the receiver has completed its
initialization process.
setting in the GNSS configuration window
Offset value, you can offset the system's
Interfaces > References: GNSS Reference
0.
(INTERFACES
on-time point
GNSS 0
CHAPTER 3 • VelaSync User's Manual Rev. 3
> GNSS 0 >
by the
window will