Bosch D1255RB - D1257 RB Fire Alarm Annunciator Overview

Fire System | User’s Guide | 1.0 Product Features
Bosch Security Systems, Inc. | 8/06 | F01U011793B 10
Figure 3: D1257RB Fire Alarm Annunciator
3
2
4
5
1
1 - Vacuum fluorescent display
(VFD)
2 - Status LEDs
3 Acknowledge label
4- Navigation keys
5 Siren/speaker