Okayo GPA-650B, Руководство пользователя

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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 transmitter and receiver stay at same channel.
Be sure volume control on transmitter and receiver are turned properly.
Be sure Master is turned properly.
Be sure Mute button is not on.
Check if transmitter and receiver stay at same frequency band.
Check if there is huge air interference nearby.