a
b
c
d
e
f
g
h
a
Eject disc.
b
Detects signals from the remote
control. When using the remote
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sensor.
c
Enter the GPS navigation system or
exit.
d
Turn the unit on or off.
Turn mute on or off.
Adjust volume.
e
Select source.
i
f
External equipment audio/video in
socket.
g
USB socket
h
Reset the unit when it hangs up.
i
j
k
Open the cover and insert/remove
the GPS map card.
j
k
7