Operation Manual

13
UK
Subwoofer Status:
The multi-colour front-panel LED shows the current status of the active subwoofer
element of the Power Towers. Each Power Tower is a self-contained, fully independent
unit, so please refer to the displays on each.
Green LED: Active subwoofer element ’On’
Red LED: Active subwoofer element ’Standby’
Extinguished LED: Active subwoofer element ’Off’.
Safety:
Please allow adequate ventilation around each Power Tower subwoofer element, do not
place anything directly on or above the rear panel heat sink.
Troubleshooting:
Problem Solution
No sound from front
L/R loudspeakers. Ensure all loudspeaker connections have been made securely.
Check the correct source component is selected and playing.
Ensure that the amplier, receiver or processor’s volume is correctly set.
No sound from centre
loudspeaker. Ensure all loudspeaker connections have been made securely.
Enable the centre loudspeaker in your amplier, receiver or processor set-up.
Ensure that a processing mode that uses the centre channel is engaged (Dolby Pro
Logic or Dolby Digital for example).
Check the correct source component is selected and playing.
Check that the software has centre channel content.
Ensure that the amplier, receiver or processor’s volume is correctly set and that the
centre channel output level has been adjusted accordingly.
No sound from
surround loudspeakers. Ensure all loudspeaker connections have been made securely.
Enable the surround loudspeakers in your amplier, receiver or processor set-up.
Ensure that a processing mode that uses the surround channels is engaged (Dolby Pro
Logic or Dolby Digital for example).
Check the correct source component is selected and playing.
Check that the software has surround channel content.
Ensure that the amplier, receiver or processor’s volume control is correctly set and
that the surround channel/s output levels have been adjusted accordingly.
No sound from active
subwoofer elements. Ensure that the power cable is attached and mains power turned on - indicated by
a green front panel LED.
Ensure that all connections have been correctly made and that they are secure.
If you have selected connection Option A, make sure that the Power Tower high-level
adapter cable is in place.
If your amplier, receiver or processor has integral bass management, ensure that the
subwoofer is enabled (set to ’Yes’) and that the remaining channels are set to ’Small’.
Check the correct source component is selected and playing.
Ensure that the amplier, receiver or processor’s volume is correctly set and that the
subwoofer output level has been adjusted accordingly.
Subwoofer turns off
during music or
movie material. The auto-on/off circuit threshold is set too low; increase
the subwoofer’s volume control. Note: you may have
to decrease the amplier, receiver or processor’s subwoofer (LFE) level
to maintain the correct output SPL.