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Troubleshooting
Symptom
Possible Problem
No power to
The power cord is not connected to a
speaker or to
wall outlet and/or the power cord is not
transmitter base.
plugged into the AC inlet on the back of
the M812 speaker. The power supply for
the transmitter base is not connected to a
wall outlet and/or the DC connection is not
made at the rear of the transmitter base.
The surge protector (if used) is not
powered on.
The wall outlet is not functioning.
The power is not turned on.
No sound is coming
The volume is set too low.
from the speaker.
Wrong input is selected.
System is muted.
The iPod is not correctly seated into the
transmitter base.
If using an AUX source, the audio source
is not properly connected to the M812
or there is a problem with the alternate
audio source.
Channels are not synchronized.
There is a crackling
The iPod is not correctly seated into
sound coming from
the dock.
the speaker.
If using an alternate audio source, the
audio source is not properly connected to
the M812 or there is a problem with the
alternate audio source.
There is a crackling
The operating system's volume level is set
sound coming from
too high.
the speaker (when
Interference.
connected to PC
or laptop).
Solution
Check that the AC power cord is fully seated in the AC inlet on the
rear of the M812 speaker. Also check that the power adapter for the
transmitter base is plugged in and connected to the DC input on the rear
of the transmitter base.
If the AC cord or transmitter base power supply is plugged into a surge
protector, make sure the surge protector is switched on.
Plug another device into the same wall outlet to confirm the outlet
is working.
Turn on the speaker by pushing the power key located on the right side
of the speaker or by using the supplied remote control. The display on
the front of the speaker will illuminate. Turn the transmitter base on by
pressing the POWER key on the front of the transmitter base. The LED
will illuminate.
The +/– keys on the side of the speaker control volume. Press and hold
the + key to increase the volume. The volume can also be raised using
the supplied remote control.
Check the volume level on the AUX source device and set at mid-level.
Turn off the iPod, remove it from the transmitter base, reseat it, and turn
it on again.
• Connect an alternate audio source – such as a CD player, MP player,
or DVD player – to your M812 by plugging one end of a .5 mm stereo
cable to the line out of your portable device (if it has one), or to the
audio source's audio out or headphone jack. Connect the other end to
the input marked "AUX" on the back of the M812's transmitter base.
• Set the volume on the audio source at mid-level.
• Set the volume on the M812 at minimum level and adjust upward to a
comfortable listening level.
Review Menu Operation in the Advanced Operation section to
resynchronize channels.
Turn off the iPod, remove it from the docking station, reseat it, and turn
it on again.
• Connect an alternate audio source – such as a CD player, MP player,
or DVD player – to your M812 by plugging one end of a .5 mm stereo
cable to the line out of your portable device (if it has one), or to the
audio source's audio out or headphone jack. Connect the other end to
the input marked "AUX" on the back of the M812's dock.
• Set the volume on the audio source at mid-level.
• Set the volume on the M812 at minimum level and adjust upward to a
comfortable listening level.
Check the operating system volume level and decrease it if necessary.
Move the unit to another location or select a different RF channel.
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