LY International Electronics H-66B Manual page 6

Receiver Setting
(We have setting the default frequency and channel, please do not change the setting if
unnecessary)
1. Automatic frequency selection
Press "UP' key, receiver will scanning and selecting the frequency automatically within 10
seconds, if press "SET" key during the scanning, receive will cancel this operating and remain
unchanged.
2. IR sync
Turn on transmitter microphone and receiver first, press "Down" key on receiver, and then
use the microphone IR sensor aim at the receiver's IR port, receiver will save the setting and
exit automatically if the IR sync succeed, and RF indicator will display, MUTE symbol will
disappear, transmitter microphone will switch the channel and frequency same as receiver.
Lock/Unlock function
If you want lock or unlock the function key of receiver, please do as following:
1. Turn on receiver first.
2. Hold on to press 'SET" key, and press "DOWN" key
3. LCD will display as pic 1 "LOC ON"
4. Release the key press at the same time, receive will lock the function key
5. Hold on to press 'SET" key, and press "UP" key
6. LCD will display as pic 2 "LOC OFF"
7. Release the key press at the same time, receive will unlock the function key
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