QTrack
™
Antenna System
21
Quasonix, Inc.
4.
Adjust the boresight transmitter power level for a received level of approximately 15 dB above AGC Zero.
Select Acquire. Verify that the signal is tracking, the Acquire button is yellow, and the Track button is
green.
5.
Decrease the boresights power in 1 dB steps, and verify the Tracking continues until a receive level of less
than 7 dB above zero is reached. The Track button turns grey and the position freezes at the last position.
6.
Increase the signal level until the Track illuminates green indicating it is again tracking. Note that the
receive level is greater than 10 dB above Zero.
7. De-select Acquire, and return to Manual.
4.3.5
Search
Search allows the ACU to go into search mode when the signal is lost. It uses the threshold and hysteresis values set
in the Acquire Settings to activate/deactivate the search pattern.
1.
Select the gear next to the Search button to display the Search Settings window.
Figure 30: Search Settings Window
2.
From the drop down menu, either Box Spiral or Raster search can be selected. Select Box Spiral Search.
3.
Enter a 10° range for both Elevation and Azimuth and a 5°/sec Rate for each.
4.
Set the boresight power for about 40 dB above AGC Zero level.
5.
On the ACU, select Acquire, then search. Note the system is tracking.
6.
Remove the boresight power, and the system will enter the defined search pattern.
7.
Turn the boresight power on, and the QTrack will lock on.
8.
De-select Acquire, and return to Manual.
4.3.6
Designate Mode
While in manual mode, the user can select the DESIGNATE button (at the top of the Axis Control window, as
shown in Figure 31) to enter an Azimuth or Elevation axis commanded angle by clicking on or touching the
