Important Notes / Troubleshooting - Okayo UHF-PLL EJ-701DR-PLUS User Manual

Important Notes
Avoiding heat and humidity
Keep the device away from any heat source and in a
Do not leave it under sunlight or close to heater.
DON'T operate the device in the rain or in humid circumstance to prevent failure.
Prevent the device from dropping.
Apply factory recommended power supply to this system only. It is dangerous and
risky when employing a unqualified power.
Replacing batteries
Make sure the substitute batteries are with same specifications.
Using incorrect batteries might lead to explosion or malfunction.
Remove battery from transmitter when you won't use it for a long
while.
Charging contacts
Clean charging contacts regularly to ensure good connection with charger.
When any corrosion occurs, contact your dealer to change it if you can't repair it.
Troubleshooting
Failed to Power On
Be sure batteries are allocated and put in correct direction.
Be sure power adapter is plugged well.
No Sound Output
Be sure volume control on transmitter and receiver are turned properly.
Be sure Mute button is not on.
Be sure transmitter and receiver stay at same channel.
Check if there is huge air interference nearby.
Acoustic feedback is overlarge
Adjust the volume of microphone and receiver module properly.
Failing to charge
Make sure the charger is connected with power supply correctly.
Make sure battery contacts are clean and free of corrosion.
Change batteries if the device still can t be charged.
location with good ventilation.
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