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Input Channels
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5. INPUT CHANNELS
5.1. Brief Technical Overview
Referring to the illustration below, each input channel of the DN9848 processes the audio signal
through delay and gain stages, followed by 12 bands of parametric equalisation, and a full-band
compressor. All key stages are monitored for signal clipping which, if detected, lights the top red
segment at the top of the input signal meter; thus clipping of the signal during processing is not
inadvertently missed. In addition, the signal level is monitored at the compressor to provide signal
head room and gain reduction indications at the meter.
5.2. Setting Input Parameters
5.2.1 The Input Menu
The signal processing for each input channel is programmed independently via the separate Input
menu associated with each channel. The signal processing parameters are described below in menu
order.
To access the Input menu pages for a particular channel
1 Press its yellow MENU ACCESS button (A – D) to switch to its menu.
2 Press the button repeatedly to step through the pages in turn. Note that, after the last page,
the next button press will cycle the menu back to the first page.
To skip across to the same parameter on another input, press its MENU ACCESS button.
5.2.2 Naming the Input Channel (Page 1)
Each input channel can be allocated a name up to 7
characters long, which will be shown in the first page
of the menu for easy reference. The default names
are Input A, Input B, etc. Names are retained after
power down and are included in stored settings.
To enter a name
1 Turn the left-hand knob clockwise to access
the Input Name sub-menu page.
2 Use the centre knob to move the cursor right or left, and the right-hand knob to select the
letter, number or symbol.
3 On completion, turn the left-hand knob anti-clockwise to go back to the main page. The new
name is now shown to the left of the menu page.
User defined
channel name