Digital Notification Announcer Viking Digital Mass Notification Announcer (Model # DNA-510) Detail Box Note: Picture may not represent the actual product. We are continuously working on improving our website and reserve the right to change specifications and availability without prior notice. Add Emergency Mass Notification Messages and Alert Tones to your Existing Paging System. Features: Non-volatile memory (no batteries required) Up to 2 minutes of total message record time Record up to 5 different emergency messages Ten different emergency alert tones Call progress detection for automatic hang up on CPC, busy signal, dial tone or silence Separate volume controls for paging, messages and alert tones Automatically interrupts current page or background music to inject emergency announcement, alert tones or live page Programmable trigger input to activate a message and/or alert tone N.O. & N.C. trigger output contacts for activating flashing beacon (BLK-3-EWP), Alarm Dialer (K-202-DVA), etc. Security code to prevent fraudulent use Connects directly to an unused line input (trunk) or station port of a phone system or to a dedicated phone line Connections: (2) RCA audio jacks, 11 position cage clamp terminal strip