User's Manual Part 1

AT7400 Owner Manual Rev. 2.0 – October 2006-10-23 Section 5 -17/17
On maintenance situation the sub-module 4275 the automatic operation, (independently of the SCU status),
AUT, can be turned on a manual MAN, operation by changing the position of the jump CON-3. The AUT
position must be re-state as soon as the maintenance is over. The shut down operation is fundamental to
protect the power supply and the UHF amplifiers as well, sub-modules 4451.
8.8. Module 4275 – Technical Specifications
8.9. Module 4275 –Schematic Diagrams: SEE ANNEX A