Lcd Display; Encoder; Navigation Buttons (A & B); Volume Indicators - Yamaha Nexo NXAMP4X4 User Manual

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amplifier to be brought back from Stand-by to power on mode through remote control.
The last LED, 'Amp Protect' reflects the protection status of the amplifier. If this LED is lit, it
signifies that the amplifier is reducing or muting one or several outputs due to malfunctions
as overheating, output DC, short circuitry ... In combination with other LEDs indicators and
LCD display the cause of the problem will be clearly displayed. Please see further for more
details. Please also note that the Amp Protect LED will light while the amplifiers power
supplies are starting.

(3) LCD display

This large and easily readable 2 x 40 characters display will allow the user to quickly setup
the amplifier. Please note that in stand-by mode the backlight of the LCD remains on even
if nothing is displayed.

(4) Encoder

The default function of the encoder is to adjust the volume of the amplifier. But depending
on the current menu displayed on the LCD, other functions can be affected, such as delay
adjustment or speaker setup selection.
(5) Navigation buttons (A & B)
These two buttons are used most of the time to navigate through the menus. However,
depending on the LCD display, they can be used for a specific purpose.
Anytime, pressing the two buttons simultaneously will instantly enter the "Volume" menu,
allowing the user to adjust the volume for each channel using the encoder.

(6) Volume indicators

These surrounding LEDs will indicate the position of the volume control for each channel,
similar to the position given by analog potentiometers on classical amplifiers. If a channel is
muted, corresponding Mute button will lit red, but the position of the volume control will
blink alternatively for that channel, allowing the user to know what will be the level once
the channel is unmuted.

(7) Mute buttons

Whatever the current menu is, pressing the mute button will set or release the mute of the
chosen channel. The button will turn to red if the channel is muted.

(8) Select buttons

Use the select buttons to choose the channel on which you want to adjust parameters with
the encoder. In most of the menus, the bottom line of the LCD is used to indicate the
cabinet name for each channel. If this name is between brackets, it means that the
channel is selected. Turning the encoder will then have an effect on this channel.
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