User's Manual

3. Instruction
3.1 Ring-tone selection
9 customized ring-tone are available in the system. Press the ring-tone selection button at the back
of the indoor unit to select.
3.2 TALK button function
1） When someone is pressing the doorbell, the indoor unit will ring, and the red, blue and green lights
will also flash (for 20 seconds) to alert the user. the person inside can keep press the TALK button
to communicate with the person outside. Release the TALK button after speaking, and the person
outside can talk back without the necessity of pressing any button.
2） Talking via the outdoor unit cannot exceed 30 seconds. For a talk more than 30 seconds, press the
TALK button of the indoor unit to extend talking duration (30 seconds for each press). During the
conversation, the person inside can press the TALK button of the indoor unit at any time to interrupt
the outdoor speaker. Each talk session initiated by the indoor person will give a 30-second talk time
for the person at the outdoor unit.
Remark:
If no one answers the indoor unit, the function of the indoor unit will be the same as that of a normal
door bell. That is, the bell will ring but the communication function will not be turned on.
3.3 CUT button function
1）Press the CUT button to immediately terminate the rings and talk session, this function can protect
indoor user from annoying doorbell rings or talking harassment.
2）Press the CUT button upon completion of the talk, this can save battery of the outdoor unit.