ADT Security Services DSC 1555 User Manual

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About Your Security System
Your DSC security equipment has been designed to provide you with the greatest possible flexibility
and convenience. Read this manual carefully and have your installer instruct you on your systems
operation and on which features have been implemented in your system. All users of this system
should be equally instructed in its use. Fill out the “System Information” page with all of you zone
information and access codes and store this manual in a safe place for future reference.
Fire Detection
This equipment is capable of monitoring fire detection devices such as smoke detectors and providing
a warning if a fire condition is detected. Good fire detection depends on having adequate number of
detectors placed in appropriate locations. This equipment should be installed in accordance with
N.F.P.A. standard #72. (N.F.P.A., Batterymarch Park, Quincey MA 02269). Carefully review the Family
Escape Planning guidelines in this manual.
NOTE: Your installer must enable the fire detection portion of this equipment before it becomes
functional.
Testing
To insure that your system continues to function as intended, you must test your system weekly.
Please refer to “Testing Your System” on page 13 of this manual. If your system does not function
properly, call your installing company for service.
Monitoring
This system is capable of transmitting alarms, troubles and emergency information over telephone
lines to a monitoring station. If you inadvertently initiate an alarm, immediately call the monitoring
station to prevent an unnecessary response.
NOTE: The monitoring function must be enabled by the installer before it becomes functional.
General System Operation
Your security system is made up of a DSC control panel, one or more keypads and various sensors
and detectors. The control panel will be mounted out of the way in a utility closet or in a basement. The
metal cabinet contains the system electronics, fuses and stand-by battery. There is normally no reason
for anyone but the installer or service professional to have access to the control panel.
All the keypads have an audible indicator and command entry keys. The LED keypads have a group
of zone and system status lights. The LCD keypad has an alphanumeric liquid crystal display (LCD).
The keypad is used to send commands to the system and to display the current system status. The
keypad(s) will be mounted in a convenient location inside the protected premises close to the entry/
exit door(s).
The security system has several zones of area protection and each of these zones will be connected
to one or more sensors (motion detectors, glassbreak detectors, door contacts, etc.). A sensor in
alarm will be indicated by the corresponding zone lights flashing on a LED keypad or by written
messages on the LCD keypad.
IMPORTANT NOTICE
A security system cannot prevent emergencies. It is only intended to alert you and – if included –
your monitoring station of an emergency situation. Security systems are generally very reliable
but they may not work under all conditions and they are not a substitute for prudent security
practices or life and property insurance. Your security system should be installed and serviced by
qualified security professionals who should instruct you on the level of protection that has been
provided and on system operations. 
						

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System Information
Fill out the following information for future reference and store this manual in a safe place.
Access Codes
Your Master Code is: __________________________________________
Additional Access Codes:
01 __________________ 09 ____________________ 17 ____________________ 25 ________________
02 __________________ 10 ____________________ 18 ____________________ 26 ________________
03 __________________ 11 ____________________ 19 ____________________ 27 ________________
04 __________________ 12 ____________________ 20 ____________________ 28 ________________
05 __________________ 13 ____________________ 21 ____________________ 29 ________________
06 __________________ 14 ____________________ 22 ____________________ 30 ________________
07 __________________ 15 ____________________ 23 ____________________ 31 ________________
08 __________________ 16 ____________________ 24 ____________________ 32 ________________
Zone Information
Zone Protected Area Zone Type
1 ___________________________________________ _____________________________________
2 ___________________________________________ _____________________________________
3 ___________________________________________ _____________________________________
4 ___________________________________________ _____________________________________
5 ___________________________________________ _____________________________________
6 ___________________________________________ _____________________________________
7 ___________________________________________ _____________________________________
8 ___________________________________________ _____________________________________
Keypad Zone [F]  FIRE _____________________________
Keypad Zone [A] AUXILIARY _________________________________________
Keypad Zone [P] PANIC _____________________________________________
The Exit Delay Time is ________ seconds.
The Entry Delay Time is ______ seconds.
For Service
Monitoring Station Information:
Account #: ___________________________________ Telephone #: _________________________________
Installer Information:
Company: ___________________________________ Telephone #: _________________________________ 
						

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Access Codes
Access Codes are used to arm and disarm the system. There are 33 access codes available: one
Master Code and 32 access codes.
Only the Master Code can be used to program additional security codes and to change other system
features as well as to arm and disarm the security system. The Master Code will be supplied to you by
your installer. All keypad entries are made by pressing one key at a time.
All access codes can be programmed by following the procedure outlined in “Programming Security
Codes” on page 6.
Arming the System
Arming from an LED Keypad:
If the Ready light is ON, the system is ready for arming. If the Ready light is OFF, check to see that all
doors and windows are closed and that motion is stopped in areas covered by motion detectors. The
system cannot be armed unless the Ready light is ON indicating that all zones are closed and the
system is in the Ready state.
Enter your access code. As each digit is entered, the keypad sounder will beep. If the access code
was entered incorrectly, the keypad buzzer will sound steadily for one second. If this occurs, press the
[#] key and re-enter your access code. If the correct access code is entered, the keypad sounder will
beep quickly and the Armed light will come ON. Exit the premises through the door indicated by your
installer as the Exit/Entry door.
The panel will provide an exit delay period, indicated by keypad beeps, for you to exit the premises
without causing an alarm. At the end of the exit delay period, all keypad lights, except the Armed light,
will turn OFF and the system will be armed. The exit delay time can be changed by your installer.
Arming from an LCD Keypad:
When this message appears, one or more zones are not secured. To secure the
system, close all doors and windows and cease all motion in areas covered by
motion detectors.
When this message appears, use the arrow (< >) keys to verify that the system is
clear of troubles and that no zones are bypassed unintentionally (see “Viewing
Trouble Conditions” on page 11 and “Zone Bypassing” on page 10).
If this display is showing, the system is in the Ready state and may be fully armed.
To arm the system, enter your access code.
Once the correct access code has been entered, the display will be as shown. The
panel will provide an exit delay period, also indicated by keypad beeps, for you to
exit the premises without causing an alarm. Exit through the door indicated by your
installer as the Exit/Entry door.
This message will be displayed once the exit delay expires and the system is fully
armed.
If this message appears, be aware of which zones are bypassed and why (see
“Zone Bypassing” on page 10). NOTE: If you arm the system with a zone
bypassed or with a trouble present, your security protection is reduced.Secure System
Before Arming 
Enter Code to
Arm System 
Enter Code to
Arm System
Exit Delay in
Progress
* WARNING *
Bypass Active
Enter Code to
Disarm System 
						

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Alternate Arming Methods
Away Arming
Arming the system in the Away mode will have all interior zones and perimeter zones active. If motion
is detected in the interior zones, or if one of the perimeter zones is violated, the alarm sequence will
begin. To arm in the Away mode, enter your access code and exit the premises through a designated
Exit/Entry door. The system will recognise that occupants have left the premises. Once the exit delay
expires, the system will be fully armed.
Audible Exit Fault
In an attempt to reduce false alarms, the Audible Exit Fault is designed to notify you of an improper
exit when arming the system in the Away mode. In the event that you fail to exit the premises during
the allotted exit delay period, or if you do not securely close the Exit/Entry door, the system will notify
you that it was improperly armed in two ways: the keypad will emit one continuous beep and the bell or
siren will sound. If this occurs, you must re-enter the premises, enter your access code to disarm the
system, and then follow the arming procedure again, making sure to exit the premises in the proper
fashion.
Stay Arming
This feature, if enabled by your installer, will allow you to arm the perimeter zones while leaving the
interior zones inactive so that you can remain on the premises while the system is armed. When you
enter your security code to arm the system and 
do not exit the premises through a designated Exit/
Entry door, the system will arm in the Stay mode, automatically bypassing the interior zones.
The interior zones can be reactivated at any time by entering [Q][1] at any keypad. If you reactivate
the interior zones, be sure to only inhabit areas not  covered by motion detectors. To access areas
protected by motion sensors, you must enter your security code and disarm the system.
Arming Without Entry Delay
If you wish to arm your system without the entry delay, enter [Q][9] then your access code. The Armed
light will flash as a reminder that the system is armed and has no entry delay. An entry through any
zone programmed as a delay zone will create an instant alarm.
Quick Arm
When the Quick Arm feature is enabled, the system may be armed by simply pressing [Q][0] instead
of your access code. Please note that pressing [Q][0] will only allow you to arm the system; to disarm,
you must enter a valid access code. Your installer will inform you if the Quick Arm feature has been
enabled on your system.
Quick Exit
When the Quick Exit feature is enabled, pressing [Q][0] while the system is armed will provide a two
minute window for you to exit the premises. During this time, you may only open and close the
designated Entry/Exit door once. Once the door is closed, the panel will end the two minute quick
exit delay. If the door is opened again, or if the door is not closed after two minutes, or if another zone
is opened, the panel will begin the entry delay. Your installer will inform you if the Quick Exit feature has
been enabled on your system. 
						

							5
Disarming the System
Disarming from an LED Keypad:
Enter the premises through a designated Exit/Entry door; entering by any other door will sound an
immediate alarm. As soon as the Exit/Entry door is opened, the keypad will beep to indicate that the
system should be disarmed. Go to the keypad and enter your access code. If an error is made
entering the code, re-enter your code correctly. As soon as the correct code is entered, the Armed
light will go out and the keypad will stop beeping.
The correct access code must be entered before the entry delay period expires. If a valid access
code is not entered during this time, the system will go into alarm. The entry time delay may be
changed by your installer.
If an alarm occurred while the system was armed, the Memory light (or System light on a PC1555RKZ
keypad) and the zone light corresponding to the zone which caused the alarm will flash for 30
seconds. After the 30 second period, the Memory (or System) light  and zone light will stop flashing
and the panel will return to the Ready state. Pressing the [#] key during the 30 second period will
cancel the alarm memory display. To view other alarms, press [Q][3].
If a trouble was detected when the panel is disarmed, the Trouble light (or System light on a
PC1555RKZ keypad) will turn ON (See “Viewing Trouble Conditions” on page 11 to determine the
source of the trouble.) Please note that troubles will not display while the system is in the Alarm
Memory Display mode.
Disarming from an LCD Keypad:
Upon entering through a designated Exit/Entry door, the keypad will beep and the entry delay will
commence, reminding you to disarm the system. The keypad will display the following message...
Enter your access code. If an error is made in entering the code, re-enter the
code correctly.
      
 When a valid access code is entered, the keypad will stop
beeping. If no alarms occurred while the panel was armed, and there are no
troubles, the display will read...
After about five seconds, the system will return to the Ready state and the display
will read...
If an alarm occurred while the system was armed, this message will be displayed.
Use the arrow (< >) keys to view which zones caused the alarm. If a zone is still in
alarm, the display will show the following message to indicate that a zone is open...
Upon disarming and if a trouble is present, this message will be displayed. Use the
arrow (< >) keys to view which troubles are affecting the system (see “Viewing
Trouble Conditions” on page 11).
NOTE: If you return and find that an alarm has occurred while you were away, it is possible that
an intruder may still be on the premises. Go to a neighbours house, and call the local police to
investigate.
The alarm memory is cleared each time the panel is armed so that any alarms showing are
alarms that occurred only during the last armed period.
Entry Active
Enter Your Code
Enter Code to
Arm System 
Secure System
Before Arming 
Enter Code to
Arm System
View Memory 
“Zone of Alarm”
System Disarmed
No Alarm Memory 
						

							6
If An Alarm Sounds
Fire Alarm
If your system has been installed with fire detectors and the alarm sounds in a pulsing mode, follow
your emergency evacuation plan immediately (see “Fire Escape Planning” on page 15).
Intrusion Alarm
If an intrusion alarm sounds, indicated by a continuous Bell or Siren, the alarm may be silenced by
entering your access code. If the alarm was unintentional, call local authorities immediately to avoid an
unnecessary response.
You can determine the source of the alarm by following the instructions in the “Disarming” section (see
page 4 and 5). Once the source of the alarm has been corrected, the panel can be restored to its
original Armed state.
NOTE: A fire alarm has priority over a burglary type alarm.
Function Keys
The PC5008Z and LCD5500Z keypads have five function keys – marked Stay, Away, Chime, Reset and
Exit – which allow easy single-button activation of the most commonly used features. 
If these keys have
been enabled by your installer
, you can execute the programmed function by pressing and holding the
corresponding key for two seconds. Corresponding function keys on the PC1555RKZ are number keys
1 to 5 respectively.
For more information regarding the operation of the function keys, talk to your alarm system installer.
Programming Security Codes
Programming codes from an LED Keypad:
The Master Code
To program the Master Code, enter [Q][5][current Master Code][40][new Master Code]. The Master
Code must be four digits unless otherwise indicated by your installer. Enter digits 0 through 9 only.
Press [#] to return to the Ready state.
Be sure to record your new Master Code on the “System Information” page in this booklet. NOTE: We
recommend that the factory default or obvious codes such as [1111] or [1234] not be used.
Additional Codes
Up to 32 additional access codes (01 through 32) may be programmed.
To program a new code:
Enter [Q][5][Master Code][code number 01 to 32][new access code]. The code number is a double
digit from 01 to 32. Access codes must be four digits unless otherwise indicated by your installer.
Enter digits 0 through 9 only. Press [#] to return to the Ready state.
If an access code already exists for the code number you have selected, it will be replaced by the new
code. Be sure to record your new code(s) on the “System Information” page in this book.
To erase a code:
Enter [Q][5][Master Code][code number 01 to 32][Q]. Press [#] to return to the Ready state. The
Master code cannot be erased. 
						

							7
Programming codes from an LCD Keypad:
Master Code
Press the [Q] key to enter the function list. Scroll (< >) to...
Press [5] or [Q]. The display will read...
Enter your current Master Code. The display will read...
“40P” represents the Master Code. Press the [Q] key to indicate that you wish to
program the Master Code. The display will read...
Enter the new Master Code. The Master Code must be four digits unless otherwise
indicated by your installer. Enter digits 0 through 9 only. Once the new code is
entered, the keypad will beep 3 times and the display will read...
Press [#] to exit the code programming function.
Be sure to record your new Master Code on the “System Information” page in this booklet. NOTE: We
recommend that the factory default Master Code [1234] not be used.
Additional Access Codes
To erase, add or change a user code, press [Q] to enter the functions list. Use the arrow (< >) keys to
scroll to the following message...
Press [
Q]. Display will read...
Enter the Master Code. Display will read...
Use the scroll keys (< >) to find the access code – indicated by “02P” to “32P” –
you wish to add, change or delete. Press the [
Q] key to select the code you wish to
alter. The display will read...
To add or change a code, enter the new code. Access codes must be four digits
unless otherwise indicated by your installer. Enter digits 0 through 9 only. To delete
an access code, enter [
Q]. Once the 4 digit code or [Q] has been entered, the
keypad sounder will beep 3 times and the display will read...
The “P” means the code has been programmed. If there is no “P” then that code is
deleted. Press [#] to exit the code programming function. The Master code cannot be
erased.
Remember to record your new code(s) on the “System Information” page in this booklet.
Press (*) for 
Access Codes
Enter Master
Access Code
[*] to Edit 
User Code 01P
Enter New Code
1234 
[*] to Edit 
User Code 01P
(*) to Edit 
User Code 40P
Enter Master
Access Code
(*) to Edit 
User Code 40P
Enter New Code
1234 
Press (*) for 
Access Codes 
						

							8
9
The Liquid Crystal Display (LCD) displays prompts and system
information on two 16 character lines.
If “< >” appears, more information can be accessed by using the arrow (<
>) keys. Press [] to advance the display to next function or item of information.
Press the keys on the number pad as prompted by the LCD display to view
alarms or troubles, to arm and disarm the system and to bypass zones.
To exit a function and return to the Ready state,  press [#].
To select a function press [
Q].
LCD5500Z Keypad PC5508Z LED Keypad
Ready Light
If the Ready light is ON, the system is
ready for arming. The system cannot
be armed unless the Ready light is ON
(see “Arming the System” on page 3).
Display Lights (All Keypads)
Emergency Keys (All Keypads)
PC5508Z / LCD5500Z:
Press both 
* Keys for two seconds to send a FIRE transmission.
Press both 
* Keys for two seconds to send an AUXILIARY transmission.
Press both 
* Keys for two seconds to send a PANIC transmission.
PC1555RKZ:
Press the [F]* key for two seconds to send a FIRE transmission.
Press the [A]* key for two seconds to send an AUXILIARY transmission.
Press the [P]* key for two seconds to send a PANIC transmission.
* IMPORTANT NOTE (All Keypads):  The Fire, Auxiliary and Panic keys
will NOT function unless programmed by the installer. If these keys
are in service and the installer has enabled audible feedback, holding
down the key for two seconds will cause the keypad sounder to beep
indicating that the input has been accepted and transmission is
underway.
Important Note: Test system weekly and
have any system trouble conditions
corrected by your alarm installer.
PC1555RKZ LED Keypad
Memory Light
Upon disarming, if an alarm has
occurred while the system was
armed, the Memory light will turn
ON (See “Disarming the System”
on page 5).
Bypass Light
If the Bypass light is ON, one or
more zones are bypassed (See
“Zone Bypassing”
 on page 10).
Armed Light
If the Armed light is ON, the system
has been armed successfully.
Trouble or System Light
If the Trouble light is ON, see
“Viewing Trouble Conditions” on
page 11. Fire Light
If the Fire light is ON, a fire alarm
has occurred (See “Fire Alarm
Operation” on page 13).
Program Light
The Program light will flash when
you are programming access
codes, or performing other
programming functions. If someone
is programming at another keypad,
the Program light will turn ON to
indicate that the system is busy.
System Light (PC1555RKZOnly):
If the System light is ON, one or
more of these conditions could be
present on the system:
System Busy
System Troubles 
(See “Viewing
Trouble Conditions” on page 11).
Alarm Memory (See “Disarming the
System” on page 5).
Zone Bypassing (See “Zone
Bypassing”
 on page 10).
Programming  The System light will
flash when you are programming
access codes, or performing otherprogramming functions. If someone
is programming at another keypad,
the System light will turn ON to
indicate that the system is busy.
NOTE: If you have a PC1555RKZ
keypad, the System  light acts as
a Trouble, Memory,
Programming and Bypass
indicator. Unlike the other
keypads, these conditions will
only be represented by the
System light. Please keep this in
mind when reading other
functions in this manual. 
						

							10
Zone Bypassing
The zone bypassing function is used when access is needed to part of the protected area while the
system is armed. Zones which are temporarily out of service due to damaged wiring or contacts may
be bypassed to allow system arming until repairs can be made.
Bypassed zones will not cause an alarm. Zones cannot be bypassed once the system is armed.
Bypassed zones are automatically cancelled each time the system is disarmed and must be reapplied
before the next arming.
NOTE: For security reasons, your installer may program the system to prevent you from
bypassing certain zones.
Bypassing zones reduces your security protection. If you are bypassing a zone due to damaged
wiring or contacts, please call a service technician immediately so that the problem can be
resolved and your system returned to proper working order.
Make sure that no zones are unintentionally bypassed when arming your system.
To bypass zones from an LED keypad:
Start with the system in the Ready state. Enter [Q][1][Zone(s) to be bypassed].
Enter the zone(s) as a two-digit number from 01 to 08. As each zone is bypassed, the corresponding
zone light will turn ON. If a zone is bypassed by mistake, enter that zone number again; the zone light
will turn OFF, indicating that the zone is not bypassed. Press [#] to return to the Ready state.
To bypass zones from an LCD keypad:
To bypass a zone, the system must be in the Ready state. The display will read...
Press the [
Q] key to enter the functions menu. The display will read...
Press the [Q] key to enter the zone bypassing mode. The display will read...
Use the arrow (< >) keys to find the zone to be bypassed and press the [
Q] key to
select it. The display will read...
“B” will appear on the display to show that the zone is bypassed. To unbypass a
zone, enter the zone number; the “B” will disappear from the display to show that
the zone is no longer bypassed.
This display will be shown if a zone was open when you entered the bypassing
command. The open zone will be represented by “O”. If you bypass the open zone,
the “O” will be replaced by a “B”.
To exit the bypassing mode and return to the Ready state, press the [#] key.
Enter Code to
Arm System
Press (*) for 
Zone Bypass
Zone Search 
“Zone Name”
Zone Search 
“Zone Name” B
Zone Search 
“Zone Name” O 
						

							11
Viewing Trouble Conditions
The control panel continuously monitors a number of possible trouble conditions. If one of these
trouble conditions occur, the keypad will beep twice every 10 seconds until you press any key on the
keypad.
NOTE: A TROUBLE condition reduces the security your system is designed to provide. Call your
installing company for service.
To view troubles from an LED Keypad:
A trouble will be indicated by the Trouble light (or System light on a PC1555RKZ keypad) which will
remain ON until the trouble condition is cleared. If you cannot determine the cause of the trouble
condition, contact your installer for assistance.
To view the type of trouble condition, press [Q][2]. One or more zone lights will turn ON, indicating the
various trouble conditions:
ZONE LIGHT TYPE OF TROUBLE
1 ................. Service required. Call your installation company for service.
2 ................. Indicates the loss of AC power. When this trouble occurs, the Trouble (or System)
light will turn ON but keypad buzzer will not sound.
3 ................. Telephone line trouble.
4 ................. The panel has failed to communicate with the central station.
5 .................Zone fault. Press [5] and the zone light(s) corresponding to the faulted zones will turn ON.
6 .................Zone tamper. Press [6] and the zone light(s) corresponding to the tampered zones will
turn ON.
7 ................. Low zone battery. This trouble is generated when a wireless device exhibits a low
battery condition.
Press [7] one, two, or three times to view which devices are experiencing battery
failure. The following will occur:
Keypad beeps: Keypad displays:
Press [7] 1 Zones with low batteries (LED keypad - zone lights 1 to 8)
Press [7] again 2 Handheld keypads with low batteries (LED keypad - zone
lights 1 to 4)
Press [7] again 3 Wireless keys with low batteries (LED keypad - zone lights 1
to 8). 
To view the battery conditions of wireless keys 9 through
16, you must be at an LCD keypad.
8 ................. Loss of time on system clock. To set the system time, following the instructions in
“Setting System Date and Time” on page 12.
To view troubles from an LCD Keypad:
From the Ready state, use the arrow (< >) keys to scroll to the following message.
Press [
Q] [2] key to view the trouble. The message will read...
Use the arrow (< >) keys to view which troubles are present on the system. Once
you have scrolled through the list of troubles, press the [#] key to exit the Trouble
Viewing mode and return to the Ready state.System Trouble
(*2) to View 
View Trouble 
“Trouble Message”