OmniTek OTR 1001, Руководство пользователя

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OmniTek OTR 1001 User Guide, v3.1a T-10
Dolby E audio with an ‘Users Dolby E’ configuration file. The selection made for a particular
type of audio affects all Audio PPMs displays showing that type of audio.
At any one time, the Audio Config page is displaying the settings associated with one of these
configuration files, identified at the top of the hierarchy of settings. (How to select the required
configuration file is explained below.)
Note: Any changes made to the settings for a particular type of metering become your standard
for that type of metering and are automatically applied to all Audio PPMs that use that style of
metering.
Selecting the Audio Type
The type of audio the page is currently set to modify is shown at the top of the display.
Control Panel Mouse & Keyboard
To switch it to affect a different type of audio:
1. Call up the Audio Inputs page.
2. Move the cursor to the audio input that you want to affect.
3. Return to the Audio Config page.
This will now be set up to modify the selected type of audio input.
Parameters
Audio Meter
The selection of a meter type selects a particular metering graticule and sets the standard
metering ballistics for that meter type.
The type of metering to be applied may be selected from a choice that covers dBFS, dBFS Log,
Nordic, DIN, BBC, EBU, VU (Standard), VU (North America) and VU (France) metering.
The scope of the main metering types is shown in the following diagram:
0dBFS -9dBFS
-18dBFS
+12 0 -10
1 2 3 4 5 6 7
-6
-27dBFS
-30
0 4 8 12 -4 -8 -12
3 2 1 0 -2 -4 -6 -8 -10 -12 -20
3 2 1 0 -2 -4 -6 -8 -10 -12 -20
AL PML
dB
dB
dB
dB
dB
EBU PPM Digital
Current Meter
6dB
BBC PPM
EBU PPM
VU North America
VU France
-4
+5 0 -5 -10 -20
dB Din/Nordic PPM
+6 -35
+12 0 -10
dB 6dB
+4 -35
+12 0 -10
dB 6dB
+8 -35
Figure T-5: the main metering systems