JVC KD-LX50 Instructions Manual page 46

To turn on/off the power amplifier switch
You can switch off the built-in amplifier and send the audio signals only to the external
amplifier(s) to get clear sounds and to prevent internal heat buildup inside this unit. When
shipped from the factory, the power amplifier switch is turned on so that the built-in amplifier
works.
• P. AMP ON:
• P. AMP OFF:
To adjust the display contrast level
You can adjust the display contrast level among 01 (dark) to 10 (bright). When shipped from
the factory, the display contrast level is set at level 05.
To select the scroll mode
You can select the scroll mode for the disc information if it consists of more than 12 characters.
When shipped from the factory, Auto Scroll mode is set to "SCROLL ONCE."
• SCROLL ONCE: Scrolls only once.
• SCROLL AUTO: Repeats the scroll (in 5-second intervals).
• SCROLL OFF:
Note:
Even if the scroll mode is set to "SCROLL OFF," you can scroll the display by pressing DISP for
more than 1 second.
To select the subwoofer cutoff frequency
When a subwoofer is connected to this unit, select an appropriate cutoff frequency level for
your subwoofer. When shipped from the factory, the subwoofer cutoff frequency is set to
"MID."
• FREQ LOW:
• FREQ MID:
• FREQ HIGH:
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Select this mode when not using external amplifier(s).
Select this mode when using external amplifier(s).
— SCROLL MODE
Cancels Auto Scroll.
Frequencies higher than 50 Hz are cut off to the subwoofer.
Frequencies higher than 80 Hz are cut off to the subwoofer.
Frequencies higher than 120 Hz are cut off to the subwoofer.
— P. AMP SWITCH
— CONTRAST
— WOOFER FREQ