Electro-voice DPC 4000 User Manual

OWNER’S MANUAL

PROMATRIX paging stations DPC 4000

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DPC 4550

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PROMATRIX System

CONTENTS

CONTENTS 18

SYSTEM OVERVIEW 20

PAGING STATION FUNCTIONS 21

CONTROL PANEL DPC 4550 22
CONNECTIONS 24

KEY LABELING 24

OPERATION 25

Selective Call 25
Collective Call 25
Direct Call 25
Gong Signal 25
Text Message 26
General Alarm 26
Selective Alarm 26
Canceling Signals 26
System ON / OFF 27
Program Routing 27
Special Functions 27

INDICATORS 28
PRIORITIES 29

DPC 4350 PAGING STATION EXTENSION 29

FACTORY SETTINGS 30

SPECIFICATIONS 31

WARRANTY 48

18 Revision 1.1 DPC 4000

PROMATRIX System

DPC 4000 Revision 1.1 19

PROMATRIX System

System Overview

The PROMATRIX system includes 5 different paging station models and one paging station extension of the DPC
4000 - series. All paging stations employ gooseneck-microphones, 6 or respectively 8 function keys, and a covered
alarm key. An additional key as well as a key-lock switch can be retrofitted. All paging stations are available with 10,
20, 30, or 50 selection keys. All models come with LC-display (2 lines with 16 characters each).

The individual models are listed in the following table:

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 station extension with 50 selection keys

The paging stations employ the following common features:

• all functions are processor-controlled

• non-volatile configuration data FLASH-memory

• condenser microphone incl. pre-amplifier and compressor / limiter

• freely programmable key-assignment

• easy labeling the keys via label-strips and MS WORD templates

• monitoring of the analog circuitry via integrated pilot-tone oscillator

• monitoring of the processor system via watchdog-circuit

• line-monitoring via pilot-tone and polling

• covered alarm key (except at the DPC 4106)

• prepared for retrofitting additional alarm keys or key-lock switches

• prepared for the connection of an external PTT-type microphone or audio signal source

• piezo-humming device for acoustic alerts

• prepared for the installation of an optionally available loudspeaker

• set-up mode allows altering parameter settings directly at the paging station

• two-line LC-display

All paging stations are processor-controlled and provide several monitoring functions. The integrated watchdog­circuitry monitors the processor system while the audio section is guarded by the signal of a switchable pilot tone
oscillator. Additionally, the internal supply voltage is constantly measured. Once it drops below a critical threshold, a
warning signal is being transmitted. Line-monitoring for the audio-cabling as well as for all RS-485 control-lines allows
the early recognition and signaling of line-interrupts and short-circuits.

Easy and comfortable configuration of the paging stations is accomplished through the use of the PROMATRIX
Designer software. The graphical, dialog-oriented user-interface allows setting all key-functions, priorities, options,
and several other parameters.

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

20 Revision 1.1 DPC 4000

important to keep the fact in mind that in case of line interruption or short-circuit several
microphone terminals can fail at the same time. Despite, inputs allow 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 their own input at the central unit.

PROMATRIX System

on / off

setup

Paging Station Functions

Next to elementary messaging, the paging stations offer several additional functions that in summation are shown in
the following diagram. Which functions a microphone terminal can initiate depend on its configuration and priority
setting.

Table of all functions

announcement

start

power

program

selective

collective

direkt

gong

text

general

selective

lines

lines

clear

all

stop

clear

special

paging station

service

Detailed information concerning the different functions is provided within the following chapters.

DPC 4000 Revision 1.1 21

start

macro

instruction

address

password

Pre-gong

buzzer

compressor

date / time

LCD-

contrast