UNICHAIN TECHNOLOGY WA878 Wireless Doorbell User Manual
SHENZHEN UNICHAIN TECHNOLOGY CO., LTD Wireless Doorbell Users Manual
User Manual
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The Doorbell Instruction
1. Product Introduction
The Wireless doorbell used the advanced wireless access technology, powerful
microcomputer control system, the large capacity and high quality speech
processing technology, integration of 52 first music, performance are very
Stable and reliable.
And the doorbell host and the doorbell button can be a wireless connection.
Suitable for villa, club, recreation center, hotel, hotel, family, office, conference
room, etc.
2. Functional Features
a. There are 52 first music repertoire
b. The bell has mode Settings: door bells and lights flashing, only the door bells, and only
the lights flashing these three modes.
c. The volume can adjustable level 4
d. The host has memory function，Turn on the state and voice for the last time shutdown
Settings.
3. Instructions
About Button
Short press of time <3 seconds, Long press of time >3 seconds
starting up
Will the doorbell host plug to 110-240 - V 50 ~ 60Hz ac outlet，The doorbell host
fast "drops dripping" 3 times, the LED lights flashing three times。（According
to the shipping country to modification the voltage and frequency ）
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The doorbell host operating
The doorbell pattern choice
Short press【 】button， switch the doorbell mode (For example, door bells and lights
flashing, only the door bells, and only the lights flashing these three modes)
The doorbell host door ringtones choice
Short press【 】button, “drop” 1 time, Choose the music order circulation，Play the
currently selected music. Long press【 】button, Can change the direction of music playback.
The doorbell host door ring tone volume Settings
Short press【】button, set the current mode of the volume level
4—3—2—1—4—3—2—1—4--. And play music, the minimum voice is Level 1，The
biggest voice is level 4, when set to level 4 "drops dripping" 2 times.
Mark：If set the doorbell host is the LED light is flashing mode，touch【 】
and【】button is invalid.
If set the doorbell host is the ringing door bells mode, touch【 】and【】button
only the ring tone, there will be no LED lights flashing.
If set the doorbell host are LED light is flashing mode and ringing door bells
mode，touch【 】 and【】button , A door ring tone hint, and there will be a
LED light is flashing.
Learning (Increase) the new door bell ring operation
Long press【 】button, the doorbell host “drop” 1 time，LED light is bright，on behalf of into
the learning state，touch the doorbell button, the LED will flash lights twice，The host “drop” 2
times expression learning (Increase) success, LED lights flashing at a time，The host “drop” 1 time
expression Learning (Increase) failure, LED lights flashing three times，he host “drop” 3 times
expression learn(Increase) the full.（When the doorbell host into the learning state，Short press
doorbell host any key or 20 seconds without any operation，the host will exit the learning state）
4. Conclusion
Long press【】button is starting up. Continuous slow “drop” 2 times and LED lights
flashing ten times，Until the fast “drop” 2 times and LED indicator lights flashing rapidly
expression delete all the doorbell button，The host recovers factory settings.
5. Technical parameters
Doorbell host (receiver) Working Current: <80mA.
Doorbell host (receiver) Working voltage: AC100~240V 50/60Hz
Doorbell remote control (transmitter): battery: DC12V
Working frequency: 433.92MHz
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FCC Warnings:
changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
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.
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:
-- 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.