DAPAudio LT-218BA, Instructions Manual

Page: 10 / 17

8
Marani Dig Amp software
The LT-series gives you the opportunity to edit the Factory preset programs to your own preferences or
back them up.
Note: You’ll have to buy the optional USB to RS485 interface first (DAP Audio D2071). You can download
the software from our website:
http://www.highlite.nl
Editing Window
Fig. 3
Input Gain
:
This slider allows you to set the input gain. Range -60db – 0dB.
Parametric filters
A five band parametric EQ is available on the Digital Amp DSP Board for equalizing each output
channel. Each of the five parametric filters can be edited in terms of Gain, Center Frequency and
Quality Factor “Q”.
1. The Gain can be set by using the slider which allows you to attenuate/increase the filter's output
ranging from -15dB up to +15dB.
2. The Quality Factor “Q”, can be set by selecting the proper value from the selection field on the bottom
row. Range from 0.40 (wide bell) up to 128 (thin notch).
3. The Center Frequency can be set by “double clicking” on the entry field just beneath the Gain slider.
After double clicking, a window will open allowing you to set all the filter's parameters by sliders. It is
also possible to enter the frequency by clicking the entry field and entering the value using your
computers keyboard.
Lo-Shelving
The Low Shelving field allows the user to adjust the parameters of a Low Shelving filter.
1. filter attenuation/gain, which can be set by the slider and ranging between -12dB up to +6dB
2. Cutting Frequency, click the entry field below the slider and use your computers keyboard to enter the
desired frequency.
3. filter's order (or Bypass), which can be of the first (6dB/Oct) or of the second (12dB/Oct) order.
Hi-Shelving
The High Shelving field allows the user to adjust the parameters of a High Shelving filter.
1. filter attenuation/gain, which can be set by the slider and ranging between -12dB up to+6dB
2. Cutting Frequency, click the entry field below the slider and use your computers keyboard to enter the
desired frequency.
3. filter's order (or Bypass), which can be of the first (6dB/Oct) or of the second (12dB/Oct) order.