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4. Tracked Target (TT) Operation
4-20
4.14.2 How to sleep, deactivate an acquisition zone
1. Use the trackball to select the appropriate AZ box.
2. Sleep or deactivate the acquisition zone as appropriate:
Sleep acquisition zone: Push the left button momentarily to remove the acquisition zone from the screen. The
indication in the AZ box changes from "WORK" to " SLEEP." To reactivate and display the acquisition zone,
repeat this procedure to display "WORK."
Deactivate acquisition zone: Push and hold down the left button until the AZ box goes blank.
4.14.3 How to acknowledge the acquisition zone alarm
To acknowledge and silence the acquisition zone audio alarm, push the ALARM ACK key, or select the ALARM
ACK box then push the left button.
4.14.4 Acquisition zone stabilization
The acquisition zone may be referenced to heading or North as follows:
1. Use the trackball to select the MENU box at the right side of the screen then push the left button.
2. Spin the scrollwheel to select TT+AIS then push the scrollwheel.
TT+AIS menu
3. In the Acquisition Zone window, select how to stabilize the acquisition zone, with heading or to North. Spin the
scrollwheel to select Stab Hag or Stab N(orth) as appropriate then push the scrollwheel.
4. Click the Close window button (X) to close the menu.