
Wireless Door Contact (DC-S2) 
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1. LED indicator (Inside) 
2. Learn/Test Button 
Press the button to transmit a learn/test code and enter Test 
mode for 3 minutes. The LED will light up whenever Door Contact 
is triggered under Test mode 
3. Supervision Enable/Disable Jumper Switch 
(JP2) 
4. Battery Comparment 
5. Tamper Switch 
The Tamper switch protects the Door Contact from unauthorized 
removal from mounted surface.
6. Battery Insulator 
7. Knockouts 
8. Rib Mark 
9. Magnet 
PPaacckkaaggee CCoonntteenntt 
1 x Door Contact 
4 x wall plugs and screws 
2 x adhesive pads 
2 x 1.5V AAA alkaline batteries (pre-installed) 
Supervision Enable/Disable Jumper Switch (JP2) 
Jumper On 
The jumper link is inserted 
connecting the two pins 
If enabled, the PIR sensor will transmit supervision signal to 
Control Panel periodically for the sensor to monitor PIR sensor 
condition. 
Jumper set to ON = supervision function is Disabled (Default)  
Jumper set to OFF = supervision function is Enabled 
Put the Control Panel into learning mode, then press the learn 
button to transmit learn code. Please refer to Control Panel 
manual to complete learn in process and device mounting. 
The Door Contact has 2 knockouts on the inside of the back 
cover where plastic is thinner for wall mounting.  
Jumper Off 
if the jumper link is removed 
or parked on one pin. 
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1. The Door Contact should be mounted on the door/window 
frame, while the magnet should be mounted on the 
door/window as shown in the picture below. The Door Contact 
has Rib Mark on one side to mark the position of the internal 
magnetic switch. The Rib Mark must be aligned with the 
magnet when mounted, the gap between the Door Contact and 
the magnet should be no more than 15 mm. 
2. Drill holes into the wall using the knockouts as template, then 
fix the Door Contact base onto the wall with the screws and 
plugs provided. Alternatively, you can also use the double side 
adhesive tape provided to glue the Door Contact on the frame. 
3. Replace the Door Contact cover onto the base. 
When mounting the Door Contact, please take note of the 
following points: 
 Mount as high as possible  
 Do not aim a PIR sensor at this window  
 Do not mount on metallic surface 
Door/ 
Window 
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Frame
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Press the Test Button to enter Test mode for 3 minutes. Under 
Test mode, the LED indicator will light up every time the Door 
Contact is triggered.  
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Off Normal Operation 
On (2 seconds)  - When Tamper Switch is triggered 
- Movement detection under low battery, 
tamper triggered, or Test mode. 

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The Door Contact uses 2 x 1.5V AAA alkaline batteries as its 
power source. It also features low battery detection function to 
notify the Control Panel when battery voltage is low. 
When the Door Contact is on low battery, follow the procedure 
below to change the batteries. 
1. Open the Door contact cover. 
2. Remove the old batteries. 
3. Press the learn button several times to fully discharge. 
4. Insert the new batteries observing correct polarity. 
5. Replace the cover. 
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-10°C to 40°C, relative humidity 85% non-condensing. 
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433 MHz  
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This device complies with Part 15 of the FCC Rules. 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. 
FFCCCC CCaauuttiioonn:: 
To assure continued compliance, any changes or modifications 
not expressly approved by the party responsible for compliance 
may void the user's authority to operate this equipment. (Example 
- use only shielded interface cables when connecting to computer 
or peripheral devices).  
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