olympia electronics, Fire Alarms, models:

BS-536/MAR	Quick Start Manual
BSR-100 MAR Series	Installation, Programming Operation, & Maintenance Manual
BSR-100 Series	Quick Installation Manual & Generic Design
BSR-1000	Manual
BSR-1001	Manual
BSR-2100	Operation And Installation Manual
BSR-2104/MAR	Operation And Installation Manual
nsc BS-1632	Manual