TB 11-5820-1148-10
20. From the shell to shell on the other end of the cable: 0 to 1 ohm or less.
21. From the center to the shell of either end of the cable: infinite resistance (use highest ohms scale).
22. Perform a visual check of the cable for obvious burn through, or other damage.
NOTE
Use caution when performing this step as the cable may have sharp burrs or
wires protruding from the cable. Wear gloves and use a rag to clean the cable.
Wires protruding from the cable will snag the rag and not your hand.
23. If the cable is not within these specifications contact your maintenance facility to arrange for repair or
replacement.
NOTE
Cables are assembled from the following parts. Cable RG-213, NSN 6145-00-
660-8711 50 or 100 feet, and connector UG-218U NSN 5935-00-666-1656 -
two each per cable.
24. Repeat steps 18 through 23 for the other cable.
25. Re-install all components of the antenna system if all checks have passed.
26. Reconnect the antenna system to the radio.
27. At the VRC-100
a. Turn on the appropriate input power to the radio.
28. At the RSC
a. Set the RSC function switch to "STBY".
b. Press the "SETUP" button.
c.
Press the "TEST" button.
d. Press the "BIT" button.
e. Press the "T/R" button.
29. After 15 seconds the display on the RSC should show the following information
T/R TEST
PTT FOR XMT BIT RCV BIT - GO RTN
30. If the "RCV BIT - GO" is not showing contact maintenance personnel for assistance, otherwise press the
"Push To Talk" button on the handset.
31. The transmitter should start clicking for about 15 seconds while tuning. At the end of this time, it should
show the following information on the RSC display.
T/R TEST XMT BIT - GO
RTN
32. Press the RTN Button if there are no faults shown.
33. The radio should be safe to operate, shut the radio off and restart as you would for Normal Operations.
34. If the radio set failed at any step above contact your maintenance personnel.
-end-
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