Retekess TT111 Manual Del Usuario página 4

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, after you have chosen the
channel number, keep pressing " " button for about 3
seconds until the flashing antenna icon " " appears, then
release the " " 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 receiver's channel will
match the transmitter's channel(within 5 seconds) and
become the same, the channel matching can be finished
within 5 seconds（the receiver's indicator light will stop
flashing fast and become stable blue),Then you can click
the transmitter's " " button to quit the channel matching
status, now if the transmitter speaks, the receivers can hear
it.
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