DOD 410 SERIES II Manuel du propriétaire - Page 4

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R410 Manual

6/8/99

10:41 AM

Page 4

5. Notch Filters - These two filters are very narrow bandwidth

notch filters that can provide 24dB of attenuation at the select-

ed frequency. The x10 function allows you to change the range

of each notch (see the graph below). These filters are

"Disabled" by setting the depth control to the top (0dB cut).

These filters are used primarily for eliminating feedback or

hum from the P.A. or monitor systems.

Notch 1

40Hz

400Hz

4KHz

20Hz

200Hz

20KHz

2KHz

Notch 2

standard range

x10 ranges

6. Limiter - The limiter function features Automatic Variable

Ratio Limiting™. AVR Limiting behaves as a mild compressor

with a soft knee at low threshold settings, and a hard knee lim-

iter at higher threshold settings. This allows the limiter to func-

tion as a mild compressor or as a limiter for speaker protection.

The fast/slow speed switch affects both the attack and release

time. This gives enough variety for most situations. The gain

reduction meter displays the amount of gain reduction due to

limiting.

7. Low Cut - A selectable low cut (high pass) filter that may

be switched in or out and has selectable rolloff frequency of 40

or 80Hz.