Additional Information; Troubleshooting - Yamaha KMA-980 Owner's Manual

ADDITIONAL INFORMATION

CAUTION
• Always use the default setting for Power Amplifier mode in normal use.
• If "Power Amplifier: 2" is set, the volume level of this unit will be maximum and cannot be controlled by rotating
MUSIC on the front panel.
• Be careful of inadvertent setting to avoid excessive volume output.
• Consult your dealer when using this unit in Power Amplifier mode.
If problems should occur, check the following table for simple remedies.
If the problem still cannot be solved, please consult your dealer.
Problems
No speaker sound is
output at all.
No sound is output from
one of the speakers.
No microphone sound is
output.
The remote control does
not work, or does not
function properly.
The Input source
indicators flash.

TROUBLESHOOTING

Possible causes
/ is set to off.
The power cable is unplugged.
MUSIC is in the lowest position.
The wrong music source is selected when
Input mode is set to Manual in Setup mode.
The sound is cut off due to a temperature rise
in the unit.
MUSIC BALANCE is turned fully to one
speaker.
One of the speaker cords is disconnected.
The microphone plug is not fully inserted.
The switch on the microphone is set to OFF.
The corresponding MIC VOL or MIC controls
are in the minimum position.
The microphone is too far from your mouth, or
the microphone handling is incorrect.
The remote control is too far away or tilted too
much.
Direct sunlight or lighting is striking the
remote control sensor of this unit.
Remote mode is set to Disable in Setup mode.
The wrong Remote mode is set in Setup mode.
The battery is weak.
When INPUT does not work, Input mode is set
to Auto.
Power Amplifier mode is set.
The temperature of the unit is too high or too
low.
Solutions
Set / to on.
Plug the power cable securely into the AC wall outlet.
Adjust MUSIC.
Select the correct music source with INPUT or set Input
mode to Auto in Setup mode. Refer to "Input mode" on
page 14.
Turn the power off, then leave the unit alone for cooling.
Set the control to the center position.
Insert the cord securely into the terminals.
Insert the plug securely into the jack.
Set the switch on the microphone to ON.
Adjust the control.
Refer to the user's manual supplied with your microphone.
The remote control will function within 6 m (20') and no
more than 30 degrees off-center from the front panel.
Reposition this unit.
Set Remote mode to Front&Ext., Front, or Ext. in Setup
mode. Refer to "Remote mode" on page 14.
Set the correct Remote mode in Setup mode. Refer to
"Remote mode" on page 14.
Replace with a new CR2025 battery. Refer to "Loading a
battery" on page 12.
Set Input mode to Manual in Setup mode. Refer to "Input
mode" on page 14.
Set Power Amplifier mode to Normal. Refer to "Power
Amplifier mode" on page 14.
Turn the power off and leave the unit alone for a while.
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