TB 9-4920-467-24
21. Sec_AC
a.
Performance Check
(1) Select and activate Sec_AC from the Circuit menu on the UxValidator. Sec_AC
will appear in the Circuit field.
(2)
Connect equipment as shown in figure 31.
Figure 31. Sec_AC Connection.
(3) Select and activate Test from the POD Alignment screen on the UxValidator.
The TI ETTS Pod will produce a 10.5 V ac true rms, 6 kHz, square wave stimulus voltage.
(4)
Verify that the multimeter reads between 8.5 and 12.5 V ac. If not, perform
b below.
Repeat step (2) through (4) above for TI ETTS Pod pins FF, GG, and y.
(5)
(6) Press the TI ETTS BrainPak left Encoder button to return to the main POD
Alignment screen.
b.
Adjustments. No adjustments can be made.
22. Final Procedure
a.
Re-run Self Test by performing paragraphs 7 c through r above.
b.
Repeat paragraphs 7 through 22 above for each TI ETTS Pod, PN 09-0104-31.
c.
Deenergize and disconnect all equipment.
d.
Annotate and affix DA label/form in accordance with TB 750-25.
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