4
Warning!
To prevent re or electric shock:
• Do not expose the unit to rain or moisture.
• Do not open the cabinet.
• Do not use these speakers near water.
• Do not expose these speakers to dripping or
splashing liquids
• Do not set objects containing liquids on units.
• Do not spill liquids into any part of the speaker
system.
• Do not overload wall outlets and extension
cords.
• Do not run power cables and speaker wires
through sharp edges.
• Do not pinch power cables and speaker wires.
• Do not expose the bare wires from the power
cable and speaker wires.
• Do not remove the back ampli er plate. No
user-serviceable parts inside.
• Refer servicing to quali ed personnel only.
WARNING
RISK OF ELECTRIC
SHOCK
CAUTION:
Any change or modi cations not expressly
approved in this manual could void your warranty
for this equipment.
41
Troubleshooting
No Power
• Press the Power/Standby button to turn power on.
• Make sure unit is connected to AC power.
No Sound
• Raise volume to check output.
• Volume ON from the audio source might be muted or low.
• Make sure correct input is selected.
• Ensure speaker wires are connected.
• Check RCA cable connectivity.
No sound from the microphone
• Make sure it is rmly connected to the MIC input jack.
• Make sure it is turned on (see microphone user manual).
• Make sure the MIC volume controls are not on the lowest
setting.
• Main VOLUME is set to minimum; raise volume.
File(s) on USB/SD not playing
• The le may be corrupted; replace le.
• The le is not in a compatible format.
• The connected USB device is not supported by the system.
The Bluetooth device cannot connect or be paired.
• You have not activated the Bluetooth function on your device;
refer to the Bluetooth device user manual.
• The unit is not in pairing mode; (see page 37 to pair).
• The unit is already connected with another Bluetooth device;
refer to the Bluetooth device user manual to prepare your
device pairing and see page 37 for pairing).