Optimus STAV-3790 Muting the Receiver, Loudness Control, Bypassing the Sound Controls, Using ATT

SIG SELECT

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Basic Operation

Muting the Receiver

To temporarily mute the sound, press MUTING on the remote control. --MUTING--appears. Press MUTING again to restore the audio level.

Loudness Control

To increase the high and low ranges of sounds for improved audio at a low listening level, press LOUDNESS on the front panel so LOUDNESS ap- pears. Press LOUDNESS again to turn off this feature.

Bypassing the Sound Controls

To bypass your receiver’s sound controls (BASS, TREBLE or any special sound options) so you can hear the audio at its original tonal quality (for example), press DIRECT so DIRECT appears. Press DIRECT again to turn off this feature.

Note: When you turn off the bypass feature, you will have to reselect any desired special sound options (see “Using Advanced Sound Options” on Page 26).

Adjusting the Display Brightness

You can change the display brightness so it is easy for your eyes in a dark environment. Press DIMMER on the remote control repeatedly until you reach the desired brightness level.

Switching Analog/Digital Signal Input

When you connect a device to any of the rear panel digital input jacks, you must switch the input signal for digital or analog.

Select the device desired, then press SIGNAL SELECT (RECEIVER followed by on the remote control). Each time you press the button the

input mode is switched between ANALOG and DIGITAL as shown on the display. When the Dolby Digital signal is input, AC-3appears on the display.

Notes:

• SIGNAL SELECT does not function for any analog device or device that is not assigned to any of the digital input jacks.

	• Some laser discs have only analog audio signals. If your laser disc
	is this type, use the ANALOG setting.
	• The receiver accepts Dolby Digital or PCM (32 kHz/44 kHz/48
	kHz) digital signals only. For other formats of digital signals, use
	the ANALOG setting.
Using ATT	During analog operation, if the receiver receives signals that are too
	strong, the overload indicator (a dot above the 2nd character position)
	lights. If this happens, press ATT on the remote control to lower the sig-
	nal and prevent the distortion. ATT lights on the display.

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