Harman-Kardon AVR 520 - Manual (Page 7)

7 FRONT PANEL CONTROLS
Front Panel Controls
ı Volume Control: Turn this knob clockwise
to increase the volume, counterclockwise to
decrease the volume. If the AVR 520 is muted,
adjusting volume control will automatically
release the unit from the silenced condition.
ˆ Input Indicators: A green LED will light
to the left of the input that is currently the
input source for the AVR 520.
˜ Main Information Display: This display
delivers messages and status indications to
help you operate the receiver. (See pages 8 & 9
for a complete explanation of the Information
Display.)
¯ Remote Sensor Window: The sensor
behind this window receives infrared signals
from the remote control. Aim the remote at this
area and do not block or cover it unless an
external remote sensor is installed.
˘ Surround Mode Indicators: A green LED
will light in front of the surround mode that is
currently in use.