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Subwoofer controls
Remote control
The M 9500 SW subwoofer is controlled entirely
via the supplied infrared remote control. All the
different settings are indicated by the LEDs on
the front of the cabinet.
Subwoofer front panel
14 Teufel · System 9 THX
®
Ultra 2
On/Standby
With this button, you can select whether the sub-
woofer is permanently on "On"(LED 3 is green) or
on standby. In "Standby" mode,(LED 3 is red).
Level
This controls the subwoofer's volume. Press
the "Level +" button to increase the volume, or
press the "Level -" button to reduce the volume.
Whenever you change to volume, LED 3 is flashing
rapidly.
Frequency
This button bypasses the frequency control on
the subwoofer's real panel. In this case, LED 1 is
red. LED 1 is lit up whenever the subwoofer is in
THX "Fullrange" mode. This is the recommended
setting if you are running the subwoofer off an
AV receiver.
Phase
Press this button to change the phase of the
subwoofer signal from "0 degrees" (LED 2 is off )
to "180 degrees" (LED 2 is green). In "Fullrange"
mode, the phase is locked to "0 degrees" . LED 2 is
always off when "Fullrange" mode is active.
Mute
Press this button to instantly mute the subwoof-
er. While the subwoofer is muted, LED 3 is green
and flashing. Press the button again to unmute
the signal and return the subwoofer to its opera-
tional state(LED 3 is permanently green).
LED 1
LED 2
Frequency
Phase
Standby
On
Phase
green
Frequency
red
Mute
Level +
Level -
LED 3
Standby
red
green
green
green
green flashing
green flashing
rapidly
green flashing
rapidly
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