Alpine CDA-7990 - Manual (Page 24)

22
- EN
Basic Operation
Turning Mute Mode On/Off
If a device having the interrupt feature is connected, audio will be
automatically muted whenever the interrupt signal is received
from the device. This function can be turned ON or OFF from the
head unit by following procedure below.
1
Press and hold the SETUP button for at least 3
seconds.
2
Press the UP button to select the MUTE
mode. Each press changes the modes as shown:
3
Press the TUNE button to turn on or off the Mute
mode.
Each press toggles between the MUTE ON and
OFF modes.
4
Press the SETUP button again to return to
normal operation.
• If you press the DN button
the display scrolls in reverse
sequence.
• The initial setting at the factory
is “MUTE ON”.
BASS/TRE REM CONT TUNER ILLUMI
SCROLL SUB-W D-OUT AUX-IN MUTE
SETUP
DN
TUNE
UP
B.OUT (Black out)
B. OUT indicator