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Tone Controls and Indicator
The Bass control boosts and cuts low frequ/- 10 dB. The Treble control boosts and
cuts high frequ/- 10 dB. The Tone indicator illuminates when the tone circuitry is
activated with the Tone button. The Bass and Treble controls only affect the left and right
channels in the 2 channel mode.
I
nput Selection Buttons
Press these buttons to select the Tuner, Audio/Video inputs 1-4, or Audio 1-3 inputs.
Front Panel Display
Tuner Display
The tuner display indicates the current status of the built-in tuner. These indications include
the FM or AM band, frequency, auto or manual tuning, signal strength and selected preset.
This display remains on even if the tuner is not selected so you know what station will be on
when you select the tuner.
Surround Mode Indicators
These indicators let you know the type of digital bitstream the AVC-1800 has detected and
how the signal is being processed.
Pro Logic Indicator
This indicator illuminates when you select Pro Logic for an analog, PCM, or Dolby Digital
2/0 signals.
5.1 Indicator
This indicator illuminates whenever the AVC-1800 has detected a digital 5.1 channel encoded
signal.
2 Ch Indicator
This indicator illuminates when the AVC-1800 has been set to two-channel operation or it
detects a Dolby Digital 2/0 signal. Incoming 5.1 signals are downmixed to two channels
when this is on.
Volume Level
This indicator displays the master level of the AVC-1800 from -60 dB to + 10 dB.
Analog Overload Indicator
This red indicator will illuminate when the internal A to D converters are overloaded. This
can only occur while an analog source is overloading the input.