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1. About Network PA System
Network public address is a computer network technology based modular structured and highly integrated
and intelligent public address system. The system realizes digital transmission and takes LAN as its
transmission medium, and the transmission distance may be over a dozen kilometres. The existing LAN
architecture can be used so that projects adopting the device can be constructed quickly and efficiently. It
realizes fusion of multiple networks and breaks the limitations that traditional public address systems can
only realize download and can be only controlled at the computer room, by providing powerful interactive
functions.
The network public address device is compatible with terminals with various functions, including player
terminals, VOD terminals, paging terminals and one-button emergency calling terminals etc. The device is
composed of a player, a zoning mechanism, a timer, and an equalizer; in addition, it also provides powerful
audio matrix function. The network public address system is applicable to airports, wharves, college towns,
schools, large gatherings (such as the Expo Park), gymnasium, industrial parks, parks, rail transit and
expressways, etc.
1.1 Device Description
NVS-IP30008PM is a network high-fidelity wall-mounted intelligent paging station is a on TCP/IP
transmission protocol, which can be connected to anywhere in the network . With the characteristics of
the high stability of the traditional paging station, the operation is stable and reliable, and the failure rate
is low. 7-inch true colour LCD touch screen control & graphical user interface is more user-friendly. It has
auxiliary input & output option for audio input & output.
1.2 Features
Support 100/10Mbps adaptive TCP/IP network transmission protocol.
Inbuilt 7-inch true colour touch screen, aluminium alloy drawing industrial panel design.
Wall-mounted and embedded design.
Adopt high fidelity and handheld mobile microphone design.
Audio level indication.
With manual shortcut keys to make quick paging in critical situations.
Built-in 1W monitoring speaker, to pre-listen audio before broadcasting
Inbuilt 1-channel input (can be extended external program source, wireless microphone etc),
1-channel local line output (can be offline output local power amplifier paging), 1-
channelauxiliary line output (extended listening power).
Interactive & simple graphical interface.
Built-in high-fidelity large dynamic range of AGC processing circuit.
Built-in high-performance DSP sound processing circuit.
Adopt embedded real time system platform, adopt high performance ARM processor.
Can edit network playback terminal group.
Built-in chime.