
26
Once the parameters are set, push the “ ” button and the digital
pairing data will be sent to the transmitter via ultrasonic transmitter for
parameter synchronization. The indicator will flash rapidly while the data are
being transmitted. When the synchronization is completed, the receiver will
receive the corresponding data and the indicator will stop flashing. If the signal
is not received for a certain period of time, the indicator will flash slowly to
inform pairing failure (the slowly flashing indicator can be reset by pushing any
button).
Note: The best pairing distance is 10~50cm, ±30º.
-30 +30
10~50cm
Others
The transmitter’s battery level is also shown on the LCD display. If the battery level is
≤ 2V, the frame around the battery level will flash and the backlight turns into red as a
warning
Pairing
R -901Du
2
Channel Re
ceiver
Note2: Only one Microphone can be synchronized at a time. When RX1 is synchronized, RX2
cannot be synchronized. RX2 must wait until RX1 is disconnected from synchronization.