User's Manual

Now you can click any button of the transmitter to quit or keep pressing the “M”button to turn off.
4、The person in charge of the devices needs to know how to set the channel:
(1) Why and when need to set the channel:
1, When there are two or more groups using the devices at the same location,to avoid the
interference between the groups,you need to set different
channel
s for the devices (including
both transmitters and receivers) of different groups.
2,When you need to add more receivers to a group,and the
channel
of these added receivers is
not the same as that of the devices of the group,you need to set the
channel
of these added
receivers to be the same as that of the group.(The
channel
of the transmitter and the receivers in
a group must be the same，or the receivers can not receive the signal from the transmitter)
(2) The way of channel setting:
1、 Wireless channel setting
:
Under the working condition,keep pressing both “
”button and the“ ” button at
the same time until the channel number on the screen is flashing,then release both
“
”button and the “ ” button,now the transmitter
has entered the
channel
setting mode,then you can click the "
" or " " button to change the channel
number：The channel number can be changed from 001 to 200,after you have chosen
the channel number,keep pressing “M" button for about 3 seconds until the flashing
antenna icon "
" appears,then release the “M" button,now the transmitter has
entered the wireless channel matching status,then you can put the receivers(the
receivers have been turned on) closed to the transmitter(within 2 meters),and the
receivers’channel will match the transmitter’s channel(within 5 seconds) and
become the same,the channel matching can be finished within 5 seconds,Then you can
click the transmitter’s “M" button to quit the channel matching status,now if the
transmitter speaks,the receivers can hear it.