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ENGINEERING COMPANY INC.
51 Winthrop Road
Chester, Connecticut 06412-0684
Phone: (860) 526-9504
Internet: www.whelen.com
Sales e-mail: autosale@whelen.com
Customer Service e-mail: custserv@whelen.com
WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or
other reproductive harm. For more information go to www.P65Warnings.ca.gov.
OPERATION & INSTALLATION MANUAL
E-747 ENCODER
1
SELECT COMMAND
CANCEL
ALERT
ADDRESS
HI-LO
WHOOP
MSG 1
MSG 4
MSG 7
©1994 Whelen Engineering Company Inc.
Form No.13585 (011501)
®
Basic description and operation
WAIL
ATTACK
AIR
PUBLIC
HORN
NOON
TEST
MSG 2
MSG 3
MSG 5
MSG 6
SILENT
MSG 8
TEST
For warranty information regarding this product, visit www.whelen.com/warranty
Page 1
of the
2
SELECT SIREN NUM.
1
2
4
5
7
8
ENCODER
ALL
0
RESET
3
SEND
3
SEND
6
9
ON/OFF
E-747
R
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Related Manuals for Whelen Engineering Company E-747
Summary of Contents for Whelen Engineering Company E-747
- Page 1 ENCODER MSG 1 MSG 2 MSG 3 ON/OFF RESET MSG 4 MSG 5 MSG 6 E-747 SILENT MSG 7 MSG 8 TEST ©1994 Whelen Engineering Company Inc. For warranty information regarding this product, visit www.whelen.com/warranty Form No.13585 (011501) Page 1...
- Page 2 OPERATION AND INSTRUCTION MANUAL The purpose of this manual is to provide operation and installation information about the use of a Whelen Engineering Company Model E-747 Encoder. Prior to reading this manual or using this product you should be familiar with Whelen Engineering Company’s family of High Power Voice and Siren Systems.
- Page 3 The information contained herein is proprietary to the Whelen Engineering Company. No part of this manual may be reproduced, recorded or stored in a retrieval system, or transmitted, in any form without prior written permission of Whelen Engineering Company. The software described in this manual is supplied with the understanding that it may not be copied or otherwise redistributed without prior written permission of Whelen Engineering Company.
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Page 4: Table Of Contents
Table Of Contents Introduction ..........................page 5 Operation ..........................page 6 General........................page 6 Set-Up........................page 7 Installation ..........................page 8 Optional DC Use..................... page 8 Specifications ..........................page 9 Schematics Page 4... -
Page 5: Introduction
Introduction The E-747 Encoder is an easy to use activation unit for Whelen’s family of High Power Voice and Siren System products. The E-747 output is Whelen’s standard, reliable 10 digit DTMF protocol. The E-747 is a compact, desktop unit designed for simple 4 wire connection to a base station transmitter. -
Page 6: Operation
General Remember, the E-747 must be ON, as indicated by the “ON/OFF” LED, before anything can happen! Operation of the E-747 is a simple 3 step procedure as shown on the heading of the unit. Step 1 is “Select Command”... -
Page 7: Set-Up
The settings are made with rotory switches, located inside of the AD-2 E-747 housing. To access the switches, remove the two Phillips head screws on the bottom of the unit. Gently remove the top of the housing, without removing any cables. -
Page 8: Installation
Locate the recessed LEVEL and MIC VOL adjustments on the E-747. A small flat bladed screwdriver is needed for the adjustment. Set the DTMF Tone level. With the E-747 on, press the CANCEL button (the LED should be on), select siren number 1, and press SEND. While the tone is transmitting, adjust the LEVEL potentiometer for 2.5 KHz deviation. -
Page 9: Specifications
SPECIFICATIONS GENERAL - Input Power: 12 volt DC nominal, 60 mA typ., 150 mA max. UL listed wall mounted transformer. Physical: Desktop design, almond color. 2.1” H x 6.9” W x 6.7” D. 1.1 pounds. Environmental: Operating temperature, -20°C to +60°C. Humidity, 0-90%, non-condensing. - Page 10 Page 10...
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