Caution
DO NOT 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 not qualified power.
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.
Summary of Contents for GPA-680
Page 1: ...Digital GPA 680 Series 50W Wireless Portable Bluetooth Sound System User Manual ...
Page 5: ...固定方式與搭配說明 CB 650 ST 35 Peripheral Tripod set up optional ...
Page 22: ...Memo ...
Page 23: ...Memo ...
Page 24: ...10 14 ...