TM 11-6625-3041-12/TO 33A1-8-908-1
SELF-TEST
Purpose
To ensure proper operation of the SG-1139.
All circuits are checked except the STA CLK indicator and STA
Coverage
CLK input circuits and the LOOPED and STA CLK positions of the
TIMING control.
If the indications are improper for any step, recheck control
Failures
settings and connections (especially check that TIMING is
set to MASTER and that data and timing cables are not crossed).
If indications are still improper, a failure is indicated;
Indicators are illustrated as follows:
Indicators
White (blank) . . . Not lit or can be ignored
Half black . . . . . . Blinking
Black . . . . . . . . . . . Lit
Cables with triaxial connectors, 2 ea, first item, appendix D.
Equipment
Required
Cables with BNC connectors, 2 ea, supplied as accessories.
BNC adapters, 2 ea, supplied as accessories.