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DEVICE DESCRIPTIONS

PROANNOUNCE System User Handbook 1.1

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5.2 PROANNOUNCE – DPC 4000 Paging Consoles

5.2.1 System Overview

The PROANNOUNCE system includes 5 different models of DPC 4000 Series paging stations and one paging

station extension. All microphone terminals employ gooseneck microphones, 6 or 8 function keys and a covered

alarm key. An additional alarm key and a key-locked switch can be retrofitted. The paging stations are available

with 10, 20, 30, or 50 selection keys. All models also employ LC-displays (2 lines with 16 characters each).

The following list provides you with an overview of available paging station models:

DPC 4106

6 function keys

DPC 4510 8 function keys + 10 selection keys + alarm key

DPC 4520

8 function keys + 20 selection keys + alarm key

DPC 4530

8 function keys + 30 selection keys + alarm key

DPC 4550

8 function keys + 50 selection keys + alarm key

DPC 4350

paging console extension with 50 selection keys

All paging consoles include the following common features:

all functions are processor-controlled

configuration data is stored in non-volatile FLASH RAM

condenser microphone with pre-amplifier and compressor / limiter circuitry

freely programmable key-assignment

easy key-labeling through label-strips and MS WORD™ templates

analog circuitry surveillance via integrated pilot tone generator

processor surveillance via watchdog function

line surveillance via pilot tone and polling functions

covered alarm key (not with DPC 4106)

additional alarm keys or key-locked switches can be optionally retrofitted

connection of an external PTT-microphone or audio source

piezo buzzer for acoustical alerts

an optional loudspeaker can be retrofitted

setup-mode allows direct parameter setting at the paging station

two-line LC-display

All paging consoles are processor-controlled and extensive monitoring functions are provided. The watchdog

function monitors the processor system while a switchable pilot tone generator monitors the audio section.

Additionally, the internal supply voltage is constantly measured. When it falls below a critical threshold an alert

message is being displayed. The line surveillance function recognizes any line-interruption and/or short-circuits in

the audio and RS-485 control cabling. Upon the detection of failure a corresponding message is displayed.

The PROANNOUNCE Designer software allows comfortably configuring the paging stations. Its graphic,

dialogue-oriented user interface offers effortless assign of key functions, priorities, options, and many other

paging station functions.

Note: Up to four paging consoles can be connected to a single input of the central unit. However, it

is important to keep the fact in mind that in case of line interruption and short-circuit several

microphone terminals may fail. Despite, one input allows only launching one message at a

time. All other connected paging stations are presented with a busy-message. If these

restrictions are not acceptable, every microphone terminal – or at least all directing stations

and other important paging stations – should have its own input at the central unit.