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© Inovonics, 2011 - www.inovonics.com

EN4204/R EchoStream

®

 Receiver

Installation Instructions - 05617C

1 Quick Start

By following this procedure you can quickly configure receiver. Review the 
main body of this manual for additional options, features, and a more 
detailed startup process.

1.

Open the receiver housing.

2.

Connect the power cabling.

3.

Set the frequency band.

4.

Press the 

Advance

 button to select the first transmitter point to

program.

5.

Press the 

Program

 button to begin programming the point.

6.

Use the 

Advance

 button to choose a supervision window; press

Program

 to complete and advance to the output option.

7.

Use the 

Advance

 button to select the output number; press 

Program

to complete and advance to the output type option.

8.

Use the 

Advance

 button to select the output type. If programming the

EN4204 press 

Program

 to complete and advance to the switch type

option; if programming the EN4204R, press 

Program

 to complete and

skip to step 10.

9.

Use the 

Advance

 button to choose between normally open and

normally closed; press 

Program

 to complete programming.

10.

If you wish to register a transmitter to the point you’ve just programmed, 
press the transmitter’s 

Reset

 button; otherwise, press 

Program

 to save

programming changes without registering a transmitter.

11.

Press 

Advance

 to choose the next transmitter point to program.

Caution: 

Make sure to press 

Advance

 to choose the transmitter point you 

want to program. If you press 

Program

 instead of 

Advance

, you will 

reprogram the first transmitter point.

12.

Follow steps 5 through 11 to program the next transmitter point.

13.

If programming an EN4204, press 

Advance

 to choose the fault ouput; if 

programming an EN4204R skip to step 15.

Note: 

The EN404R fault outputs can be wired normally open or normally 

closed using the terminal blocks.

14.

Use the 

Advance

 button to choose between between normally open

and normally closed; press 

Program

 to complete programming.

15.

Connect input and output cabling.

16.

Mount the receiver.

2 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.

2.1 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

2.2 EN4204/R LEDs and Buttons

 Figure 1  

Receiver LEDs and Buttons

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.

2.3 EN4204 Internal Components

 Figure 2  

EN4204 Components

A

Alarm LED

B

Tamper Fault LED

C

Low Battery Fault LED

D

Inactive Fault LED

E

Power LED

F

Transmitter Number LEDs

G

Advance Button

H

Decode LED

I

Reset Button

A

B

D

E

F

G

C

H

I

A

Housing release 
tabs

B

Power (11-14 
VDC)

C

Ground connection

D

Output terminals

E

Fault output

F

Advance button

G

Reset button

H

Reset input

I

Jam output

J

Tamper output

K

Program button

L

Frequency band selection 
pins

M

Decode LED

A

B

C

D

I

J

H

L

E

A

A

G

F

K

M

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