Sequence System
Retrograde Minus 256 Seconds Circuit Breaker
The retrograde minus 256 seconds circuit breaker CB8-16 applies common control bus power to relay contacts in the electronic timer and contacts of the TR-256 second relay. CB8-16 enables the TR-256 second signal to illuminate amber the IND RETRO ATT, BTRT PWR, and RCS indicators on the main instrument panel.