KVH Industries TracVision 6 User Manual Page 60

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6. Connect the new antenna gyro’s Molex connector
to the main PCB.
7. Replace the antenna gyro gasket (see Figure 4-6).
8. Using the standoffs removed in Step 3, secure the
new antenna gyro to the bracket. The antenna gyro
should be oriented so that the cable extends from
the top of the gyro, as shown in Figure 4-6.
9. Using a tie-wrap, secure the antenna gyro cable to
the bottom right standoff.
10. Reattach the counterweight, screws, and washers
removed in Step 2.
11. Redress the gyro and RF cables using 3 tie-wraps.
12. Carefully move the reflector through its range of
motion to ensure that the cable moves freely
between the elevation mechanism and the lower
assembly. Adjust the antenna gyro cable as
necessary to ensure proper motion.
13. Reinstall the PCB cover.
Calibrating the Antenna Gyro
1. With a PC connected to the switchplate’s
maintenance port, apply power to the antenna
unit.
2. Type
HALT<cr> (<cr> indicates a carriage
return/ENTER key) while the system is performing
the limit switch initialization routine. The system
will complete the initialization function by finding
the azimuth and elevation switch limits and then
go to the home position.
IMPORTANT! Record the 8-digit serial number
displayed in the startup message.
3. Type
DEBUGON<cr> to enter Debug Mode.
4. Type
CLEAREE<cr>.
5. Type
ZAP<cr> to restart/reinitialize the system.
6. Type
HALT<cr>.
7. Type
DEBUGON<cr>.
8. Type
=TVG6HP<cr>.
Maintenance
54-0166
59
Refer to Section 3.5, “Computer
Diagnostics” on page 47 for
complete details on connecting a
PC to the system via the
maintenance port.
Make sure the cable jacket passes
through the PCB access slot to
protect the wires from the edge of
the PCB frame.
When rotating the antenna by
hand, go slowly! Hitting the
mechanical stops with excessive
force will damage the azimuth limit
switch.
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