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EN4204/R EchoStream

®

 Receiver 

Installation Instructions - 05617B 

1 Overview 

The EN4204/R receiver allows you to add up to four transmitters to any 

application. With diversity reception and advanced signal processing, 

Inovonics Wireless EchoStream technology is designed to minimize dead 

spots in transmission areas. 

1.1 Inovonics Wireless Contact Information 

If you have any problems with this procedure, contact Inovonics Wireless 

technical services: 

  

E-mail: [email protected] 

  

Phone: (800) 782-2709; (303) 939-9336 

1.2 EN4204/R LEDs and Buttons

 Figure 1  

Receiver LEDs and Buttons 

E

H

F

 

B

 

G

 

Alarm LED 

Tamper Fault LED 

Low Battery Fault LED

 

Inactive Fault LED 

Power LED 

Transmitter Number LEDs

 

Advance Button 

Decode LED 

Reset Button

 

Most of the LEDs and buttons perform different function depending on 

which mode the the EN4204/R is in.

 

Normal Operation Mode

Alarm LED: 

Lights when any transmitter is sending an alarm transmission.

Tamper Fault LED: 

Lights when any transmitter is sending a tamper 

transmission.

 

Low Battery Fault LED: 

Lit when any transmitter has a low battery.

 

Inactive Fault LED: 

Lit when any transmitter is inactive.

 

Power LED: 

Lit when receiving power.

Transmitter Number LEDs: 

Lit when the transmitter is in alarm.

 

Advance Button: 

Press the 

Advance

 button to enter status review mode.

 

Decode LED: 

Flashes when any recognizable transmission is received. 

This LED is only visible when the pry-out door or cover is removed.

Reset Button: 

Clears the current status for all points and resets all outputs 

and LEDs. Resets the supervision window timers. This button is only 

accessible when the pry-out door or cover is removed.

 

Status Review Mode

 

Alarm LED: 

Lights when the selected transmitter is sending an alarm 

transmission.

 

Tamper Fault LED: 

Lights when the selected transmitter is sending a 

tamper transmission.

Low Battery Fault LED: 

Lit when the selected transmitter has a low 

battery.

Inactive Fault LED: 

Lit when the selected transmitter is inactive.

 

Power LED: 

Lit when receiving power.

Transmitter Number LEDs: 

Shows status of the transmitter assigned to 

that number when lit. Use the advance button to scroll through transmitters.

Advance Button: 

Scrolls through transmitters to display status.

 

Decode LED: 

Flashes when any recognizable transmission is received. 

This LED is only visible when the pry-out door or cover is removed.

Reset Button: 

Clears the current status for all points and resets all outputs 

and LEDs. Resets the supervision window timers. This button is only 

accessible when the pry-out door or cover is removed.

 

1.3 EN4204 Internal Components

 Figure 2  

EN4204 Components 

Housing release

tabs 

Power (11-14 

VDC) 

Ground connection 

Output terminals 

Fault output 

Advance button 

Reset button 

Reset input 

Jam output 

Tamper output 

Program button 

Frequency band selection 

pins 

Decode LED 

1.4 EN4204R Internal Components

E

G

 

 Figure 3  

EN4204R Components

 

Housing release

tabs 

Power (11-14 

VDC) 

GND connection 

Output terminals 

Fault output 

Advance button 

Reset button 

Reset input 

Jam output 

Tamper output 

Program button 

Frequency band selection

pins 

Decode LED 

2 Installation and Startup 

2.1 Connect Power Cabling

Before beginning startup, you will have to connect power to the receiver. To 

connect power to the receiver: 

1.

  

Use a small screwdriver to press the housing release tab on the top or 

bottom of the receiver; separate the housing. 

2.

  

Connect power cabling to the Power and GND connections. 

  

Power source should be 11-14 VDC. Power supply must be 

unswitched, uninterrupted, and regulated. 

© Inovonics, 2009 - www.inovonics.com 

                    Available from A1 Security Cameras 

     www.a1securitycameras.com   email: [email protected]

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