Note: The elevation (altitude) should be set in accordance with the World Geo-
detic System 1984 (WGS84), not Mean Sea Level (MSL).
Normally, the onboard GNSS receiver will track and adjust the antenna position during the so-
called GNSS self survey, which is performed during initial commissioning of a SecureSync unit,
or when rebooting a unit after it had been powered down for some time ("cold start").
Depending on where your GNSS antenna is installed and thus, how good the reception is, the
self survey may be adequate for most applications.
Setting a Manual Position, however, i.e. manually applying your current geographic position
data (Latitude, Longitude, and Altitude) may be necessary if your GNSSreceiver could not com-
plete its survey due to poor reception.
In some cases, setting the position manually may also help to reduce the amount of time needed
for the initial position "fix", i.e. for SecureSync to synchronize with the satellites in view.
Note that this position will also be used if Apply A-GPS Data is checked.
To manually set your position:
1.
Determine your geographic position. For more information, see "Determining Your Pos-
ition" on the next page.
2.
Navigate to INTERFACES > REFERENCES: GNSS0. In the GNSS0 status window, click
Edit in the lower left corner. The GNSS0 window will open:
3.
Under Manual Position Set accurately enter latitude, longitude (both in decimal degrees),
and altitude (in meters [WGS84]) of your GNSS antenna, SecureSync can use this data
during the satellite tracking/adjustment process, which typically leads to a quicker "fix".
It is recommended to enter the position as accurately as possible.
3.3 Managing References
CHAPTER 3 • SecureSync User Reference Guide Rev. 26
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