SD-8-EL Smoke Detector
Introduction
The SD-8-EL Smoke Detector is designed to be mounted on ceiling or top of stairwells where smoke would concentrate to
raise alarm timely and protect your home from fire hazards.
Parts Identification
1. Learn / Test Button
The Learn / Test Button is pressed in the following situations:
To learn in the Smoke Detector.
To test the radio communication range.
To test if the Smoke Detector is functioning normally.
To silence the alarm
2. Red/Green LED Indicator
Red LED flashes every 30 seconds – Low Battery
Red LED flashes when button is pressed – Transmit Signal
Red LED flashes continuously – Warm Up or Calibration / Alarming / Alarm Silence Mode
Green LED lights up briefly – Upon receiving acknowledgement from the Control Panel
3. Battery compartment
4. Mounting Hole
5. Mounting Bracket
6. Hook
Features
Battery
The Smoke Detector uses 3 AA Alkaline batteries as power supply.
When using factory supplied batteries, the Smoke Detector has battery life expectancy of 4 years.
When low battery voltage is detected, a low battery signal will be transmitted along with regular signal
transmissions. If the battery voltage is low, the LED will flash accompanied with a Low-volume beep every 30
seconds.
When changing batteries, remove the old batteries and press the Test button twice to fully discharge before
inserting new batteries.
Learning / Getting Started
Step 1.
Insert the batteries into the battery compartment with correct polarity.
Step 2.
After all 3 batteries are inserted, the Smoke Detector will sound 2 short beeps, with LED starting to flash and
begin a 6-minute warming period.
Step 3.
During the 6-minute warming period, the Smoke Detector can be learnt into the Panel.
a. Put the Control Panel into learning mode. Please refer to Control Panel manual for details.
b. Press the Learn/Test button on the Smoke Detector. The LED will light up briefly and the Smoke Detector
will sound a 2-tone beep to indicate it is transmitting signal.
c. If the Control Panel successfully receives the signal, the panel will respond accordingly. Refer to Control
Panel manual to complete learning process.
Step 4.
When the 6-minute warming period expires, the Smoke Detector will sound a short beep to indicate that the
Smoke Detector is starting calibration process.
The process will be repeated every 100 secs and notified by a short beep respectively. The completion of
calibration process will be notified by a 2-tone beep and the LED will be turned off.
Normally it takes about 2 ~ 16 minutes to finish calibration. However, after 16 minutes, if the Smoke Detector
gives out continuous beeps instead, it indicates that the Smoke Detector has failed calibration and its
batteries should be removed to silence the beeps. Then, please start from Step 1 to try again after a pause of
at least 30 seconds.
<NOTE>
During the calibration period, learning is disabled. If you did not finish learning (Step 3) during the 6-minute
warming period, you have to wait until the calibration has been completed (Step 4) to perform learning.
Step 5.
After warming up, learning and calibration are completed, you should test the Smoke Detector’s signal
transmission range. Put the Control Panel into Walk Test mode and place the Smoke detector at desired
mounting location, and then press the Learn/Test button to transmit signal to the Control Panel.
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