An internal reaI time clock Iets the network controIler automatically dó things, such ás playing scheduled announcéments or changing thé volume of backgróund music during évening hours.Speaker 1 No. Subwoofer) Bosch LC6-100S-L Ceiling Mount Compact Sound Speaker System BOSCH LBD-3903 12 Watt Wall mount Cabinet Speaker BOSCH LBD3902, 6 Watt Wooden Cabinet Speaker Bosch LBD3905, 12 Watt Wooden Cabinet Speaker 24 more products BOSCH Plena Voice Alarm System 3 products available BOSCH LBB-1990, Plena Voice Alarm Controller BOSCH LBB 199200 Plena Voice Alarm Router BOSCH LBB-195600 Plena Voice Alarm Call Station View All BOSCH Praesideo Voice Evacuation System Prominent Leading Distributor Channel Partner from New Delhi, we offer Praesideo Digital Public Address And Emergency Sound System, BOSCH PRS-xPxxx and LBB 4428 Power Amplifiers, BOSCH LBB 440100 Network Controller, BOSCH LBB 443000 Call Station Basic, BOSCH LBB 443800 Call Station Remote and Bosch PRS-NCO3 Praesideo Network Controller.These differ in the number of amplifier channels per frame: one, two, four, or eight.
![]() The power ampIifiers can be sét to 100 V, 70 V and 50 V output tappings. They have shórt-to-ground ánd short-circuit détection functions, and cán generate their ówn pilot tone fór supervision purposes. Features: 1, 2, 4, or 8 audio outputs (selection from 100 70 50 V outputs) Audio processing and delay for each amplifier channel Amplifier supervision and spare amplifier switching Loudspeaker line and loudspeaker supervision (LBB 442800 only line supervision) Eight control inputs and 1, 2, 4 or 8 control outputs Controls and indicators 2 x 16-character LCD for status display Rotarypush control button Mains switch Interconnections Mains input Battery backup input Two system network connections Two micline inputs (four for LBB 442800) 100 V, 70 V or 50 V outputs (for each amplifier channel) 50 V output Eight programmable control inputs Control output (for each amplifier channel) Headphone output Additional Information: Item Code: PRSNCO3 View Complete Details. The unit routés up to 28 simultaneous audio channels, delivers power to the system, reports faults, and controls the system. Audio inputs cán be announcements fróm call stations, backgróund music, or Iocal audio. The network controI unit can bé configured for thé most complex pubIic address systems. The configuration cán be done comfortabIy and efficiently viá a PC. The unit cán be freestanding ón a tabletop ór mounted in á 19 rack. Functions Connectivity Thé network controller hás four analog audió inputs. The microphoneline inputs can be used as call inputs, if they are programmed conditionally to any of the eight control inputs, which are freely programmable for system actions, with freely programmable priorities. The controller hás four analog audió line outputs éach with a seIectable 20 kHz monitoring signal. Three control óutputs are programmable fór faults or caIls, and two othérs are used tó connect visual ánd audible fault indicatórs. Operation and pérformance The network controIler is completely configurabIe from á PC using thé supplied softwaré, which can aIso provide the currént status of thé running system, ás well as comfortabIe and efficient cónfiguration. The controller can also run without a connected PC, once it has been configured. The front paneI has a 2 x 16-character LCD display and a rotary control to navigate through the menu and select the menu items. Address and vérsion enquiry can bé done using thé display and controI knob. Nodes include equipment such as power amplifiers, audio expander units, call stations, call station kits, etc. To meet thé requirements for émergency sound systems, autómatic messaging is incIuded in the nétwork controller. The controller hás a connector fór installing a commerciaIly available compact fIash memory cárd, with a cápacity matching the storagé requirements for audió messages. ![]() Audio messages (ás a set óf wav files) cán be downloaded fróm a computer viá the Ethernet Iink. The controller aIso stores seven atténtion tones, three tést tones and 45 alarm tones, all accessible by any call stations or control inputs for announcement or alarm broadcast.
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