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Loopback
OFF, Pre FX to 1/2 – 5/6, Post FX to 1/2 – 5/6, Post 1/2 – 5/6 -6 dB. Routes the current output
signal to the corresponding USB record channels. For more details see chapter 17.4.3.
Digital DC Protection
ON, OFF, Filter. Default: Filter. ON detects DC in the source signal and mutes the corresponding
analog output if DC is found too high. DC detection stays active with OFF but only issues a dif-
ferent warning message. Filter adds a High Pass to remove DC and infrasound. See chapter
34.23.
12.2.2 Bass/Treble
Subpage Bass/Treble has the following entries:
B/T Enable
OFF, ON. Default: ON
Bass Gain
Current Bass amplification for the current channels as set by encoder 1 (B). Adjustable between
-12 dB and +12 dB in steps of 0.5 dB.
Bass Freq
Corner frequency of the shelf bass filter. Adjustable from 20
Hz to 150 Hz in steps of 1 Hz. Default: 85 Hz.
Bass Q
The quality factor of the filter is adjustable from 0.5 to 1.5.
Default 0.9.
Treble Gain
Current Treble amplification for the current channels as set by encoder 2 (T). Adjustable between
-12 dB and +12 dB in steps of 0.5 dB.
Treble Freq
Corner frequency of the shelf treble filter. Adjustable from 3 kHz to 10 kHz in steps of 100 Hz.
Default: 6.5 kHz.
Treble Q
The quality factor of the filter is adjustable from 0.5 to 1.5. Default 0.7.
12.2.3 Loudness
Subpage Loudness has the following entries:
Enable
ON, OFF. Default: OFF.
Bass Gain
Maximum Bass amplification. Adjustable between +1 dB and
+10 dB in steps of 0.5 dB. Default: +7 dB
Treble Gain
Maximum Treble amplification. Adjustable between +1 dB
and +10 dB in steps of 0.5 dB. Default: +7 dB
Low Vol Ref
Reference level for highest Bass/Treble amplification, referenced to the Volume set in dB. Avail-
able range is -90 dB to -20 dB. Default: -30 dB. A volume setting below this point will have maxi-
mum Bass/Treble gain, all volume settings above this point will have lower Bass/Treble gain. 20
dB above the Low Vol Ref setting the Bass/Treble gain will be zero.
User's Guide ADI-2/4 Pro SE - v 1.0
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