Deactivating Buttons on
the Main Unit
You can deactivate buttons on the main
unit for preventing misoperation, such
as child mischief (Child lock function).
Press –, +, and – in order while
pressing and holding
unit.
"LOCK" appears in the front panel
display, and buttons on the main unit do
not work.
You can only operate the system by
using the remote control.
Canceling the Child Lock
Function
Press –, +, and – in order while pressing
and holding
on the main unit.
"UNLCK" appears in the front panel
display, and the child lock function is
canceled.
Note
(power) is not locked with the child lock
function.
44
US
Changing the Brightness
of the Front Panel
Display and BLUETOOTH
Indicator (DIMMER)
You can change the brightness of the
front panel display and BLUETOOTH
indicator.
on the main
1
2
Note
The front panel display is turned off when
"OFF" is selected. It turns on automatically
when you press any button, then turns off
again if you do not operate the system for
about 10 seconds. However, in some cases,
the front panel display may not turn off. In
this case, the brightness of the front panel
display is same as "DARK."
Press DIMMER.
The display mode appears in the
front panel display.
Press the button repeatedly to
select the desired display mode.
Mode
Explanation
"BRIGHT"
The front panel display
and BLUETOOTH
indicator light brightly.
"DARK"
The front panel display
and BLUETOOTH
indicator light darkly.
"OFF"
The front panel display
is turned off.
DIMMER