OnAir 2000M2 Digital Mixing Console
Date printed: 12.11.03 SW V 4.0 Channel Functions 4-1
4 CHANNEL FUNCTIONS
The OnAir 2000M2 hardware is modular in groups of 6 channels; the
maximum number of channels is 24. Each channel group consists of a
touch-screen, 6 faders, 18 keys (3 per channel) and 6 overload indication
LEDs.
Input Router: Through the input router, the output signal of every individual input mod-
ule can be assigned to any fader strip on the console surface (see chapter
5.8). The channel parameters relate to the input module and not to the
fader strip. They will be re-routed when the input module is assigned to
another fader.
4.1 Keys
The channel key functions are configurable; this configuration is valid for
the whole console (and not per channel). The different configuration pos-
sibilities are:
Configuration Key 1 Key 2 Key 3
1
PFL ON OFF
2
PFL ON/OFF LOCATE
3
PFL ON LOCATE
4
PFL ON/OFF NEXT
For details on the configuration see chapter 9.
4.2 Faders
Since the audio path is fully digital, the signal does not pass through the
faders. Therefore linear-track mono faders are used. The stroke length is
104 mm. When opening the fader, fader start or signaling commands can
be released, depending on the configuration (see chapter 9).
Master Faders: Any of the faders can be configured as master fader(s) for the program
and/or the record output (see chapter 5.14).
4.3 Overload Indicator
A red OVL indicator per channel signalizes an overload condition any-
where within the channel’s signal processing path.
Signals in the OnAir 2000M2 are processed with sufficient digital head-
room through the entire signal processing chain. Besides, most outputs
(PGM, REC, AUX1, AUX2, SEND1...4) are equipped with limiters in or-
der to prevent overloads. All limiters are set to 0 dB
FS
with fixed attack
and release times.
Overload in a channel is indicated if the signal level reaches 0 dB
FS
. Due
to the output limiters, normally distortion can be avoided even in case of
an overload.
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