Advent AW770 Installation And Operating Instructions Manual page 10

.. Sound!
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Check that the headphones are turned "ON" and red Power
Indicator Light (C) is lit brightly.
Check that the batteries are firmly seated following polarity as shown
in the battery compartment
If using alkalines, check thatthe batteries are "good." If using
Ni-Cds, check that the batteries are charged and/or "good." (i.e.
capable of accepting and holding a charge).
Check that the audio source (stereo, TV, etc.) is turned on and
providing sound as it normally should.
Check that the headphone volume is turned up.
If you are using a Tape 2 Monitor output from your receiver/amp as
the audio output, check that you have pressed the Tape MonitorlTape
2 button on the front of the receiver. This will turn on the Tape 2
outputs, which may not be active.
Check that the headphone Tuning Indicator Light (F) is illuminated
red. if not, adjust the Tuning Control Wheel (H) until the light
illuminates red.
Check that the transmitter Audio Level Indicator Light
(I)
is flickering
intermittently. If you are using a fixed output and the light is on solid,
or if the light is not on at all, adjust the Output Level Control Wheel (L)
so that the light flickers intermittently.
or
If you are using a variable output, turn the Output Level Control
Wheel (L) all the way right (as shown under"Adjust the Transmitter")
and adjust the volume on the audio source up or down as necessary
to make the light flicker intermittently.
Change the position of the transmitter Frequency Control Wheel (0)
to change the operating frequency. Then, readjust the headphone
Tuning Control Wheel (H) until the Tuning Indicator Light (F)
illuminates red.
Try changing the physical location of the transmitter. Locate it as
high and free of obstruction as possible. Avoid placing directly on
top of a TV, if possible.
Try moving the transmitter and headphones closer together. Sending
the signal through certain materials, such as glass, tile and metal,
can decrease the effective transmitting distance of the system.
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