OnAir 2500 Digital Mixing Console
Operation 5-43
Date printed: 18.07.08
SW V3.0
5.3.8.8 (Admin) GEN Page
For test purposes, the OnAir 2500 features an internal test signal generator that
is activated from the Chan - Input page (see chapter 5.3.3.1) by users having
the appropriate access rights configured. While the generator is active, the
normal channel buttons in the left part of the page are disabled and displayed
in gray. Waveform, frequency and level settings are performed here.
Note: Activating the test generator temporarily switches the cannel input from the
assigned source signal to the generator’s output. Channel settings, such as EQ,
dynamics, etc. are not affected, which allows setting the channel parameters
to the desired values using the test generator. If no source is routed to the
channel, the test generator works with the default channel settings.
Shape Three buttons allow selecting the desired test waveform: Sine wave, Pink
noise, and White noise.
Level The generator output level is indicated by the blue bar graph; its exact value
is displayed in dB and can be set with the rotary encoder below the field.
The dB readings automatically consider the selected amount of headroom
(i.e., 0 dB indication = 0 dB
FS
– selected headroom).
Frequency If Sine is selected, the sine wave frequency is displayed in Hz/kHz and can
be set with the rotary encoder below the field.
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