10
Symptom
Possible Problem
Solution
No power to
speaker or to
transmitter base.
The power cord is not connected to a
wall outlet and/or the power cord is not
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.
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.
The surge protector (if used) is not
powered on.
If the AC cord or transmitter base power supply is plugged into a surge
protector, make sure the surge protector is switched on.
The wall outlet is not functioning.
Plug another device into the same wall outlet to confirm the outlet
is working.
The power is not turned on.
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.
No sound is coming
from the speaker.
The volume is set too low.
Wrong input is selected.
System is muted.
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.
The iPod is not correctly seated into the
transmitter base.
Turn off the iPod, remove it from the transmitter base, reseat it, and turn
it on again.
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.
• 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.
Channels are not synchronized.
Review Menu Operation in the Advanced Operation section to
resynchronize channels.
There is a crackling
sound coming from
the speaker.
The iPod is not correctly seated into
the dock.
Turn off the iPod, remove it from the docking station, reseat it, and turn
it on again.
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.
• 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.
There is a crackling
sound coming from
the speaker (when
connected to PC
or laptop).
The operating system’s volume level is set
too high.
Check the operating system volume level and decrease it if necessary.
Interference.
Move the unit to another location or select a different RF channel.
Troubleshooting
