19
Channel matching
Unscrew the outer tube of transmitter to fully see the ultrasonic receiving
unit. Place the receiving unit right in front of the receiver end of the ultrasonic
transmitter (20 ~ 80cm: ± 30 °, and then press the "
" key. If the data
is received successfully, the LED indicator shows blue light for 5 seconds. If the
data is not correctly received during the receiving process, the blue light will
flash as a warning signal.
Note: The best distance for channel matching is 20 ~ 80cm, ± 30 °
20~80cm
-30 +30
