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TracVision 4 Technical Manual
6. Remove the nine #6-32 screws that secure the PCB
to the antenna frame (see Figure 4-4).
7. Remove the PCB from the antenna frame.
8. Reverse this process to install the replacement
PCB. Reconnect all connectors removed in Step 5.
9. Reinstall the PCB cover.
10. Apply power to the antenna unit.
11. Type
HALT<cr> (<cr> indicates a carriage return/
ENTER key).
12. Type
DEBUGON<cr>.
13. Type
=TVG4HP<cr>.
14. Type
=SERNUM,<serial number><cr>, where
<serial number> = the system serial number you
recorded in Step 2.
15. Type
ZAP<cr> to restart/reinitialize the system.
16. Calibrate the antenna gyro as explained in
“Calibrating the Antenna Gyro” on page 60.
17. Reinstall your selected satellites as directed in
Section 2.7, “Installing Satellites to Track” on page 28.
Figure 4-4
Main PCB Mounting (Top View)
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