Instruction manual
Page 42
07/04
AC-Q41H
Glossary
valid users. In this mode the door 
A
may be released by anyone pressing 
Access Control: Primarily refers to 
the star button.
a device or set of devices controlling 
C
the entry of people traveling through 
a door or set of doors. Cards: See Proximity Cards
Ajar Delay: The time allowed for a  Case Tamper: The electronic 
door to be left open before sounding  tamper signal advising the controller 
an alert and / or activating the  that the case has been opened.
Auxiliary Relay. Code Assignment: The process of 
Amplitude Shift Keying (ASK): The  assigning which Output(s) (Lock 
typ e  of  dat a  com mun ica tio ns  Strike Relay and / or Auxiliary Relay) 
between the Proximity Card and the  are to be activated when a valid code 
Proximity Reader. is entered.
ASK: An abbreviation of "Amplitude 
D
Shift Keying".
Direct Shunt: The arrangement in 
Auxiliary Input: The term used for 
which an external input (such as a 
the programmable input electrical 
door monitor) is connected directly to 
signal from an external device such 
the Auxiliary Relay allowing the 
a Door Monitor switch or Auxiliary 
Auxiliary Output to be activated after 
REX button.
the direct shunt delay elapses. This 
Auxiliary Code: The four digit code 
leaves the Auxiliary Input available 
used to activate the Auxiliary Output 
for Normal / Secure mode toggle.
for testing purposes during 
Default Factory Setting: The 
installation.
settings that the controller is 
Auxiliary Output: The term used for 
preprogrammed with when the 
the Relay Output in the AC-Q41H 
controller is manufactured.
that may be programmed to activate 
Direct Shunt Delay: The delay time 
upon different system events such as 
(user programmed) used in Direct 
Tamper, Forced Door Event, Door 
Shunt (See Direct Shunt).
Ajar, etc.
Door Bell: The alert sound activated 
B
when the door star button on the AC-
Back Tamper:  The   ele ctr oni c  Q41H is pressed. (Requires the BL-
tamper signal advising the controller  D40 External Sounder)
that the controller has been removed  Door Chime: The alert sound 
from the wall. activated when the lock strike 
Bypass Code: The four digit code  unlocks the door after a valid code 
used  to ch ange  the M ode o f  has been presented. (Requires the 
Operation of the AC-Q41H from  BL-D40 External Sounder)
Normal to Bypass Mode or vice 
versa.
Bypass Mode: A Mode of Operation 
where door access is not restricted to 
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07/04
AC-Q41H
Replacing a lost Programming Code
1) Remove power from the 
2) Press the REX button
3) Apply power to the unit with REX button pressed
4) Release the REX button
5) You now have 15 seconds to program a new Programming Code 
into the unit using the initial default code 1234, before the 
controller reverts to the existing code.
Replacing a lost Normal / Secure Code
1) Remove power from the AC-Q41H
2) Press the REX Button
3) Apply power to the unit with REX button pressed.
4) Release the REX Button
5) You now have 15 seconds to use the default Normal / Secure 
code 3838 in order to return to normal mode, where you may 
enter programming mode to program a new Normal / Secure 
Code.
Note: The AC-Q41H must be in Normal Mode otherwise this 
will not work. Make sure that the Mode LED is green 
before proceeding.
AC-Q41H
Note: The AC-Q41H must be in Secure Mode otherwise this 
will not work. Make sure that the Mode LED is red before 
proceeding.










