Instruction Manual

Note the following important precautions before using INTERCOM for the first time.
Clean the unit by wiping it with a soft dry cloth. You can also use a soft cloth moistened with a weak
solution of a mild neutral detergent and water. Wiping as much liquid as possible from the cloth before
wiping the INTERCOM. Never use thinner, benzene, or other volatile agents. or alcohol to clean the
unit.
Do not use allow the unit to be exposed to direct sunlight, heat from the heaters, or other source
from heat (greater than 140 degree F).
2) Check whether the devices are in the same Group number. If not re-set all devices to the same
group number.
4) Change to a new channel number.
Connection failure or the receiver hears no voice
1) Check whether all device are set in A, B or C.
IMPORTANT PRECAUTION
This INTERCOM contains precious electronic components, Avoid temperature extremes during use
storage, and do not subject it to strong impact.
Avoid using it in area where it might come into direct contact with liquids and avoid very high
humidity.
Never try to open the INTERCOM or take it apart. Doing so can lead to serious damage and
malfunctions
1) The distance between two devices should be over 2 meters and turn down the volume to decrease
interference
2) The distance of the device with other electrical equipment should be more than 1 meter, in order to
avoid interference from the electrical equipment.
3) Do not lay the power cable on the surface of the device.