MENU DESCRIPTION
The attenuation value can also be read on the LCD screen. To change the attenuation for a
given channel, select the channel first by pressing the corresponding “select” button. The
channel name on screen will then be put between bracket (see on the picture above,
channel 2 is selected). Then turn the wheel to change the volume setting.
You can select multiple channels by pressing several “select” buttons at the same time.
When a selected channel reaches the maximum value, it will cease to increase by
continuing to turn the wheel, but other selected channels may still increase the setting: be
careful not to change a gap between two channel settings when selecting multiple channels
at the same time.
Please note that all the LEDS for volume indication are white except the last one
(corresponding to 0 dB attenuation) which is Blue. That allows to quickly checking that all
volumes are correctly set on a NXAMP4x1 powered TDcontroller.
NB: You can adjust small differences of gain between channels with the gain menu (see
further). There is basically no difference between volume setting and gain setting for a
channel, this distinction is only done by analogy with traditional amplifiers. The CPU will
always take care of gain and volume settings and decide what the best combination is
between analog or digital gain to optimize dynamic range of the system.
Adjusting Delay
The delay of each channel can be adjusted from the Delay menu. Bellow is a picture of this
menu.
The delay value can be read on the top of the LCD screen for each channel (unit is meters).
To change the delay for a given channel, select the channel first by pressing the
corresponding “select” button. The channel name on screen will then be put between
bracket (see on the picture above, channel 2 is selected). Then turn the wheel to change
the delay setting (maximum delay is 66.6 meters).
You can select multiple channels by pressing several “select” buttons at the same time.
When a selected channel reaches the maximum value, it will cease to increase by
continuing to turn the wheel, but other selected channels may still increase the setting: be
careful not to change a gap between two channel settings when selecting multiple channels
at the same time.
In some special situation (active setups in same enclosure for example, like PS15 active) it
is mandatory to have same delay settings on two or more channels. Then, changing the
delay on one of these channels will automatically adjust the delays on the other channels.
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