Chamberlain Intercom System NDIS User Manual

®
Models NDIS and NDISC  
WIRELESS DOORBELL AND INTERCOM  
Overview  
The Wireless Doorbell and Intercom can determine who is at the door from anywhere in the house. The doorbell and intercom have up  
to a 1000 foot (300 m) range and use a 900 MHz secure digital radio link. The intercom is compatible with various Chamberlain Wireless  
Products.  
Carton Inventory  
Rubber Pads  
HOLD  
Mounting Tape  
OFF  
VOLUME  
MONITOR  
ACTIVE  
TALK  
CHANNEL  
1
3
2
4
Alcohol Wipe  
Doorbell  
Intercom  
Features  
INTERCOM  
Voice Activation Mode (VOX):  
Voice Activation Mode (VOX)  
allows a call to be answered  
without pressing the Talk button.  
Once a call is heard on an intercom  
Talk  
Button  
2
1
Active Light  
Channel  
Lights  
Channel Select  
Button  
Speaker  
which has been set to VOX, a response can be given by  
speaking loudly into the intercom. There will be a slight delay  
when VOX is first activated by a voice, but will continue to  
transmit audio until the speaking stops. To put intercom into  
VOX, place Dipswitch #1 to the UP position. While in VOX  
mode, a call may be initiated by pressing the Talk button.  
2
1
T A  
4
L
K
A C T I V E  
3
V
O
O L  
O L U M F E  
F
H
D
M O N  
I
T O  
R
Monitor  
Button  
Volume DOWN  
Button  
Volume UP  
Button  
Dipswitch #1  
Dipswitch #2  
AC Adapter  
Learn Button  
DOORBELL  
Call Button: To talk, press and release the Call button and all  
intercoms in the network will receive the signal. When holding  
down the Talk button on a different intercom, a secure channel  
is created and the other intercoms in the network do not hear  
the conversation. Once a secure link is made, the Call button  
on the doorbell does not need to be pressed to speak again.  
On/Off: To turn intercom ON, press Talk button. To turn  
intercom OFF, hold down the Volume DOWN button for 3  
seconds.  
Talk Button: Following the ringing  
of the doorbell by a guest, press  
HO  
LD  
O
FF  
V
OL  
UM  
E
A
C
TI  
VE  
M
ON  
and hold the Talk button to talk  
to the guest. Once the link to  
the doorbell is made, any other  
intercoms in the network cannot  
hear the conversation.  
IT  
OR  
TA  
LK  
Battery: The AA Alkaline batteries (not provided) will last up to  
a year depending on use. (Lithium batteries recommended for  
colder environments.)  
Alternate Chimes: The doorbell  
can be set to ring with two different  
chime patterns, to identify which  
doorbell is signaling. To change  
chime pattern, set Dipswitch #2 to  
the UP position.  
Volume: Pressing the Volume DOWN button will lower the  
volume and pressing the Volume UP button will increase the  
volume.  
Battery: The AA Alkaline batteries  
(not provided) will last up to a year  
depending on use. When batteries  
Volume: To increase the doorbell  
volume, set Dipswitch #4 to the UP  
position.  
OPTIONAL  
are low intercom will emit three  
beeps every ten minutes.  
A DC Adapter (not provided)  
2
1
A
T
4
L K  
A C T  
V O  
3
I V  
E
F F  
O
D
L U  
M E  
H O  
L
M O N  
I T  
O R  
Sensitivity: To increase sensitivity  
on the doorbell set Dipswitch #3 to  
the UP position.  
can also be used to power the  
intercom. In this case, the channel  
lights will remain on.  
1
 
Program Additional Intercoms  
The intercom can be programmed to at least one other intercom to become a network or it can be programmed into an existing network.  
CREATE NEW NETWORK  
ADD TO AN EXISTING NETWORK  
1
1
2
Press the Learn button on the  
new intercom until a beep is  
heard.  
Before programming, clear  
2
1
T A  
4
L
K
A
3
C T I V E  
V
O
D
O L U M  
F
F
E O L  
H
memory on all intercoms. Press  
the Learn button on the new  
intercom until a beep is heard.  
M O N  
T I O  
R
2
1
T
A
E
4
L
K
A C T I V  
3
V O L F U  
O
D
F
H
O
M E  
L
M O N  
T I O  
R
Within 10 seconds put any  
networked intercom into Learn  
Mode (press the Learn button  
until a beep is heard).  
2
Within 10 seconds put the  
second intercom into Learn  
Mode (press the Learn button  
until a beep is heard).  
HOLD  
OFF  
VOLUME  
MONITOR  
CHANNEL  
ACTIVE  
HOLD  
OFF  
TALK  
VOLUME  
1
3
MONITOR  
CHANNEL  
2
4
ACTIVE  
TALK  
1
3
2
4
Each intercom will emit a tone when entering programming  
mode. It may take up to 3-1/2 minutes for a secure network to  
be established. Repeat for any additional intercoms.  
NOTE: Do not program new intercoms to each other before  
adding them to the network or they will form a separate  
network and the memory will need to be cleared.  
Each intercom will emit a tone when entering programming  
mode. It may take up to 3-1/2 minutes for a secure network to  
be established.  
3
Press and release the Talk  
button to verify network is  
complete.  
H
OLD  
O
FF  
V
OL  
UME  
A
C
TI  
VE  
M
O
N
3
IT  
O
TA  
LK  
R
Press and release the Talk  
button to verify network is  
complete.  
H
OLD  
O
FF  
V
OL  
UM  
E
A
C
TI  
V
E
M
O
N
IT  
OR  
TA  
LK  
Operation  
Conference Mode: Conference  
Mode allows multiple intercoms  
to participate in a conversation  
compared to Normal Mode in  
which only two intercoms can  
communicate. All intercoms must be set to the same channel or  
the paging channel to be in Conference Mode. To put intercom in  
Conference Mode set Dipswitch #2 to UP position.  
Talk Button: To talk, hold down  
the Talk button. All intercoms in  
the network that are on the same  
channel will receive the signal.  
Release the Talk button when done  
talking and within 10-15 seconds  
press and hold the Talk button of a different intercom to make a  
secure channel between the two. Once the channel is made the  
other intercoms in the network cannot hear the conversation.  
H
O
LD  
O
FF  
V
OLUM  
E
A
C
TI  
VE  
M
ON  
IT  
O
TA  
LK  
R
1
2
Monitor Mode: Monitor Mode is used  
H
O
LD  
O
FF  
V
OLUM  
E
A
C
TI  
VE  
HO  
LD  
O
FF  
to monitor the noise in a specific  
room. Place the intercom in the  
room that is to be monitored and  
press the Monitor button until a tone  
M
O
N
IT  
OR  
Channel Button: Press the Channel  
button to set intercom to one of  
four secure channels or the paging  
channel. The default channel for  
the intercom is the paging channel  
where all four channel lights are  
lit. An intercom on a channel can  
only hear an intercom on the same  
channel or on the paging channel.  
V
TA  
LK  
OL  
UM  
E
A
C
TI  
VE  
M
O
N
IT  
O
1
3
TA  
LK  
R
C
HA  
NNE  
L
2
4
1
3
C
HA  
NNE  
L
2
4
is heard. For extended Monitor usage, consider using a plug-in  
transformer. Any other networked intercom can listen to that  
room. If a specific channel is selected for Monitor Mode then  
only other intercoms on that channel or on the paging channel  
can listen. Press the Talk button to exit Monitor Mode. A tone  
will be heard indicating Monitor Mode is no longer active.  
Monitor mode functions only between base unit intercoms,  
not with the doorbell unit.  
Troubleshooting  
Intercom does not function.  
Check batteries in intercom. If using a DC Adapter ensure that it  
is plugged in.  
Ensure intercom is connected to a network. See Program.  
Ensure that intercoms are on the same channel. See Operation.  
Intercom is not getting expected transmission range.  
Keep antenna vertical. Keep intercom away from metal objects  
and electrical wiring. Cell phones, cordless phones, or other radio  
devices may also limit range.  
3
 
Troubleshooting  
Doorbell beeps every ten minutes.  
The battery is low in the doorbell. Replace with AA Alkaline  
batteries.  
Intercom beeps every ten minutes.  
The battery is low in the intercom. Replace with AA Alkaline  
batteries or operate it with DC Adapter (not provided). A 12 volt,  
300mA DC Adapter may be used (center positive polarity on the  
round plug).  
Need to clear doorbell’s memory.  
Press and hold Learn button, an initial beep will be heard.  
Continue to hold until a second beep is heard (about 6 seconds).  
Once memory is clear the doorbell can be programmed to a new  
network.  
Need to clear intercom’s memory.  
Press and hold Learn button, an initial beep will be heard.  
Continue to hold until a second beep is heard (about 6 seconds).  
Ensure other intercoms are not activated during this time. Once  
memory is clear the intercom can be programmed to a new  
network.  
Intercom can not be programmed to network.  
A network may contain up to 12 intercoms. It may be necessary  
to clear the network and reprogram all the intercoms to the  
network. See Programming Intercom.  
Static and feedback is heard in intercom.  
The intercoms are too close to each other. A cordless phone,  
cell phone, or other radio devices can also cause static.  
The intercom does not connect to another intercom and a  
green light is on longer than 3-1/2 minutes.  
The intercom is out of range. Place the intercom closer to the  
other intercoms in the network, with the antenna pointing up.  
The other intercom in the network has no power. Replace the  
batteries. The intercom has not completed programming. Clear  
the intercom's memory and reprogram.  
Intercom is sending audio while no buttons are pressed.  
The sending intercom is set to Monitoring Mode or Voice  
Activation Mode and will activate when sound is heard. It can be  
taken out of Monitoring Mode by pressing the Talk button. It can  
be taken out of Voice Activation Mode by setting Dipswitch #1 to  
DOWN position. See Features.  
The intercom VOX mode is not working.  
The intercom will take about 40 seconds to reactivate after  
responding to a doorbell call.  
Doorbell does not function.  
Check batteries in doorbell. When you press the Call button you  
should hear a tone. Ensure doorbell is connected to a network.  
See Program Intercom to Doorbell.  
The doorbell will not function when an intercom is in Monitor  
Mode.  
NOTE: Manufacturer is not responsible for any radio or TV  
interference caused by unauthorized modifications to this  
equipment. Changes or modifications not expressly approved  
by the manufacturer could void the authority to operate the  
equipment.  
Doorbell is not getting expected transmission range.  
Keep doorbell away from metal objects and electrical wiring.  
Do not mount doorbell on a tree, masonry, or metal surface.  
When used in buildings with stucco or cement walls, the range is  
greatly reduced.  
Warranty  
ONE YEAR LIMITED WARRANTY  
Accessories  
41B238 . . . . . . . . . . . . . . . . . . . . . . . . 12 Vdc 300mA Adapter  
The Chamberlain Group, Inc. warrants to the first retail purchaser of this  
product that it is free from defect in materials and/or workmanship for a period  
of 1 year from the date of purchase.  
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 interference in a residential  
installation. This equipment generates, uses and can radiate radio frequency  
energy and, if not installed and used in accordance with the instructions, may  
cause harmful interference to radio communications. However, there is no  
guarantee that interference will not occur in a particular installation. If this  
equipment does cause harmful interference to radio or television reception,  
which can be determined by turning the equipment off and on, the user is  
encouraged to try to correct the interference by one or more of the following  
measures:  
FOR TECHNICAL SUPPORT DIAL OUR TOLL  
FREE NUMBER:  
1-800-528-9131  
Reorient or relocate the receiving antenna.  
NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or modifications of this  
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the  
battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.  
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the  
following two conditions: (1) this device may not cause harmful interference, and (2) this device  
must accept any interference received, including interference that may cause undesired operation.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which  
the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
© 2010, The Chamberlain Group Inc.  
114A4096D  
All Rights Reserved  
 

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