Ashly ne4400 Podręcznik - Strona 6

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Operating Manual - ne8800, ne4800, ne4400 DSP Processor

6. FRONT PANEL FEATURES

1. Power LED – Indicates the unit is turned on .

2. Clock Source – The Network clock, Word clock, AES3 clock, or Internal clock are indicated according to the master

clock source selected in the control software . The Network clock LED turns orange when Net Matrix Mode is enabled .

3. Sample Rate – 48KHz or 96KHz sampling rate may be selected from software. Also during flash reprogramming, both

sampling rate LEDs will light amber for the duration of the procedure .

4. Com LED – The Com LED indicates that data is being sent or received via the Ethernet control port . The Com LED

can also be made to flash on for two seconds to visually identify a physical unit from within the software.

5. Input Source – If more than one type of input is available for a given channel pair, an input source selection tab is

available in software . The user can select an input pair source as analog (line input), analog (mic preamp), AES3 input, network

audio, as well as set the input source selection to auto detect digital audio sources while automatically switching back to analog

input when no AES3 or network audio signals are present . Green LED color = "Selected", Red = "Not Valid", and Off = "Not

Being Used" .

6. Input Level Meters – Input LED level meters display the signal level at the A/D converter before the DSP section .

Levels displayed on the front panel are measured in dBFS (Decibels Full Scale), where 0dBFS is the maximum level possible,

or true clipping . Software meter displays can be assigned as dBFS, dBu, or VU, but the front panel meters are always dBFS .

The Threshold LED is used for dynamics functions configured in the DSP Controls section of the software.

7. Input/Output Mute– This button is pressed to mute the input or output channel, and will additionally update that chan-

nel's mute status as shown in software . Green means the channel is unmuted, while red means the channel is muted and will

not pass audio . For security, all front panel mute controls can be disabled from within software under <Device Options>, then

<Disable Front Panel Mutes> . If a mic input channel is set up for the push to talk function using logic I/O pins, that channel's

mute button will illuminate orange to indicate push to talk status, and turn green whenever the mic button is pressed .

8. Output Level Meters – Like the input meters, output meters reference 0dBFS, meaning 0dBFS is the true clipping

point, and are measured from the D/A converter point after the DSP section .