Everspring Industry Co SR804 U-NET Series User Manual SR804 0 Keyfob Homesys 20170814
Everspring Industry Co Ltd U-NET Series SR804 0 Keyfob Homesys 20170814
User manual

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SR804  Wireless Keyfob   
Installation Instructions 
General Introduction 
The SR804 Wireless Keyfob is used to Arm, Partial Arm and Disarm the system. 
The Keyfob also incorporates a Panic switch that will immediately initiate a Full 
Alarm condition when the system is Armed or Disarmed. Its great compatibility with 
our U-Net family security products makes it suitable for smart home cloud based 
platforms such as Homesys 
Product Overview 
A
  LED indicator  B  Arm   C  Partial Arm
D  Disarm  E  Panic Switch   F  Key Chain Ring
G  Ne
g
ative Polarit
y
H  Positive Polarit
y
Binding with Homesys 
1.  Remove the battery cover behind the keyfob. 
2.  Prepare the CR2032 coin cell battery by removing any plastic wrapping on the 
battery. Do not insert the batteries yet into the unit. 
3.  Log into the Homesys account from a web browser. 
4.  Select “System”, then “Add a New Device”. 
5. Select “Keyfob”. 
6.  The following screen will appear. This means the gateway is entering binding 
mode.  

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7.  Insert the battery ensuring that the +v terminal faces upwards away from the 
PCB and replace the battery cover. 
8.  The screen below will appear in 10 seconds if the process is successful. 
9.  Time-out will occur if the binding process was unsuccessful. Please refer to the 
“Manual binding” section. 
Manual Binding 
1.  With the battery inserted, repeat steps 3 to 6 of the Binding with Homesys 
section. 
2.  Press and hold the Disarm button for more than 3 seconds until the LED flashes 
moderately (on for 2 second; off for 2 second). This implies keyfob has now 
entered the binding mode and is waiting to receive binding signals from the 
gateway. 
3.  Within 5 secs, the LED indicator then stop flashing and turn off, indicating the 
learning procedure is completed. The screen below will appear indicating the 
process is successful. 
4.  If after 30 seconds LED flashes rapidly for 3 times, it means the keyfob fails the 
binding process 
Operation & Testing 
Operating the Keyfob 
There are 5 operating modes provided by the keyfob. 
1.  ARM : Press and release the ARM button.     
2.  DISARM : Press and release   
3.  PARTIAL ARM 1: Press and release the Partial Arm button once 
4.  PANIC: Slide the Panic Switch and hold for at least 3 secs before releasing. 
Note: The LED on the keyfob will turn green after button press is released. This 
implies the keyfob receives a confirmation signal from the Gateway. Instead if the 
LED turns red, this means the keyfob did not receive the reply from gateway 
Testing the Keyfob 
1.  Press the Arm button to see if there is an entry in the LOGS page of your 
Homesys account.   
2.  Press the Partial Arm button to see if there is an entry in the LOGS page of your 
Homesys account. 
3.  Press the Disarm button to see if there is an entry in the LOGS page of your 
Homesys account. 
4.  Slide the Panic Switch and hold for at least 3 secs before releasing. See if there 
is an entry in the LOGS page of your Homesys account. 
Note: Press the Disarm button to deactivate a triggered alarm and siren sound. 

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Maintenance 
 Low Battery: When the battery becomes low, the LED will turn orange after 
each press to indicate low battery condition to the user. Replace the battery 
when this occurs. 
Troubleshooting 
The troubleshooting table lists some possible causes and solutions. Please contact 
your original retailer or nearest service center if the below solutions cannot solve 
your problem. 
Symptom  Cause of Failure  Recommendation 
LED cannot be 
displayed  1. Run out of battery 
power. 
2. Check if reverse battery 
p
olarit
y
. 
1. Replace a new battery.
2. Refit the battery with correct 
polarity. 
LED turns red after 
pressing the button  1. Keyfob is out of range of 
the gateway.  1. Move closer to the gateway
2. Hold the keyfob higher and 
p
ress a
g
ain.
LED blinks green 
slowly for 30secs after 
power on. 
1. Keyfob has not bind 
with Gateway  1. Remove the battery and 
perform binding with Homesys 
procedure. 
LED Table 
The table below summarizes the LED indication of the keyfob. 
Function LED Indication 
RF transmission  Green LED illuminating for 1 second
Failed RF transmission Red LED illuminating for 1 second
Low battery  Orange LED illuminating for 1 second
Binding in process  LED flashing with an interval of 2 seconds
Binding successful  Green LED illuminating for 0.5 seconds
Binding timeout  Green LED flash 3 times.
Reset to Factory Settings 
1.  Remove the battery from the keyfob. 
2.  Using two fingers, press and hold both the Arm and Disarm simultaneously 
while inserting the battery.   
3.  Keep pressing both buttons for more than 5 secs until the detector’s LED blinks 
red, this implies the device is reset back to factory mode.   
Note: After power on, the Keyfob will automatically enter “Auto-binding” mode 
to bind with a gateway. The auto-binding process lasts for 30 seconds 
indicated by the LED blinking slowly. 
Specifications 
Batter
y
 CR2032 3V/230mAh
O
p
eratin
g
 Fre
q
uenc
y
868MHz 
(
EU
)
/ 923MHz 
(
America
)
Operatin
g
 Temperature -10°C to 40°C
** Specifications are subject to change without notice.                      
WARNING: 
Do not dispose of electrical appliances as unsorted municipal waste, use separate 
collection facilities instead. Please contact your local government for information 
regarding the collection systems available. 
If electrical appliances are disposed of in landfills or dumps, hazardous substances 
can leak into the groundwater and get into the food chain, damaging your health 
and well-being. 
When replacing old appliances with new once, the retailer is legally obligated to 
take back your old appliance for disposal at least for free of charge. 
Federal Communication Commission Interference Statement 
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 of the following measures: 
- Reorient or relocate the receiving antenna. 
- 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. 
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. 
FCC Caution: Any changes or modifications not expressly approved by the party 
responsible for compliance could void the user's authority to operate this 
equipment. 
This transmitter must not be co-located or operating in conjunction with any other 
antenna or transmitter. 

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www.everspring.com 
3F., No. 50, Sec 1, Zhonghua Rd., Tucheng Dist.,     
New Taipei City 23666, R.O.C 
 A501112387R01