ADT Security Services DSC Envoy User Manual

Replacing Batteries
27
®
Door/Window 
ContactsWLS925L-433
To remove the cover of the universal trans-
mitter, squeeze both sides of the unit where 
the notches are. Pull to release the cover.
Use care when installing the battery and 
observe the correct polarity (see diagram). 
Use only an Eveready Lithium Energizer No. 
EL123AP battery.
Motion 
Detectors
WLS904-433/WLS904P-433
Remove the motion detector from its mounting plate by 
holding the detector by its sides and pushing up. 
Remove the old...

28
Smoke 
DetectorsWLS906-433
The WLS906-433 requires six Eveready Energizer AA 
batteries. To replace the batteries, remove the detector 
from the mounting plate by pushing the locking tab 
and turning the detector counter-clockwise.
Hold the unit with the battery compartment facing 
you, and the imprinted wording right-side up. Install 
the first two batteries in the row nearest to you, with 
the + terminals facing left. Next, install the middle two 
batteries with the + terminals facing to the right....

29
Glossary
Access codeA 4- or 6-digit code you enter on the keypad to turn your system on or off, or to 
use other system features.
AlarmWhen a zone is violated (e.g., a smoke detector detects smoke, a motion detector 
senses movement, a door with a contact is opened), it will trigger an alarm.
Intrusion (burglary) alarm: An alarm triggered by an intrusion detector (e.g. 
motion detectors, glassbreak detectors, door/window contacts). Usually occurs 
when the system is on. Intrusion alarms sound with a...

30
Entry/exit 
doorsYour installer will program the doors you usually use to enter or exit the premises 
as the entry/exit doors. These doors are programmed with entry and exit times so 
that you can turn the system on and off without causing a false alarm.
Exit timeA timer programmed by your installer. It starts when you turn on your system to 
allow you a period of time to leave the premises. At the end of the exit time, the 
system will be on.
Local 
telephoneIf your NT9010 system is connected to your...

31
System Information
Fill out the following information for future reference and store this guide in a safe place.
For Service
Central Station Information:
Account #:_______________________________ Telephone #: ____________________________
Installer Information:
Company: _______________________________ Telephone #: ___________________________
Access Codes
Your Master Code is:____________________________
Additional Access Codes:
System Information
[F] FIRE _____________________________________
[A]...

32
Zone Information
There are ________ active zones on the system.
Zone Protected Area Zone Type Zone Protected Area Zone Type
01 17
02 18
03 19
04 20
05 21
06 22
07 23
08 24
09 25
10 26
11 27
12 28
13 29
14 30
15 31
16 32 

33
Index
A
AC power trouble message 
19
Access codes
adding 21
changing 21
defined 29
erasing 21
Master code 30
programming 21
telephone code 6
Alarm
checking 16
defined 29
false 15
fire 15
intrusion 16
memory 16
Answering the telephone 7
Armed light 3
turning off system 10
turning on system 9
Arming
automatic 13
away 11
basic 9
no entry delay 13
quick 12
stay 12
Automatic arming 13
Auxiliary keys 17
Away 11
B
Batteries 26–28
Burglary alarm 16
Buttons
see Function buttons
Bypassing zones 18
C
Central...

34
WA R NI NG  Please Read Carefully
Note to InstallersThis warning contains vital information. As the only individual in contact with sys-
tem users, it is your responsibility to bring each item in this warning to the attention
of the users of this system.
System FailuresThis system has been carefully designed to be as effective as possible. There are
circumstances, however, involving fire, burglary, or other types of emergencies
where it may not provide protection. Any alarm system of any type may be...

35
FCC COMPLIANCE STATEMENTCAUTION: Changes or modifications not expressly approved by Digital
Security Controls Ltd. could void your authority to use this equipment.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interfer-
ence in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not...

©2001 Digital Security Controls Ltd.
Toronto • Canada  www.dsc.com
Printed in Canada 29005093 R007