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15

Working with the GUI

Navigation bar

: At the very top of the Screen you will find the Navigation bar.

At the left is the connection indicator. When you open the program while you are con-
nected to the DSP it will automatically link so you can use the GUI. 
If connection is lost it will show Not Linked so you can check the connections.

Next is 

Channel Setup

, which is where you will tell the program what inputs and 

outputs you are using.

To begin you need to define your system. Fixed 2-Ch inputs (Toslink and Digital BT) will
apply left channel information to all odd number output channels and right channel in-
formation to all even numbered output channels. The analog input is for Aftermarket
head units and OEM (factory) head unit adaptions. These can be 2-Ch, 4-Ch, or 6-Ch RCA
inputs. There are also 4-Ch of speaker level inputs for OEM Integration. The SUM button
will combine highs and lows from a 2-way factory system to make a single full range sig-
nal for processing. The Custom/Sum lets you determine your configuration. After you
have chosen your input you can move on using the GUI.

The ST-X DSP GUI Program

Before beginning the setup be sure all signal sources are turned fully down so
there is no volume until after the crossovers are set.

The control program (GUI) for the ST-X DSP amplifiers is the same functionally for all
the models except for the number of channels. Both will have a default system in the
channel designation column but since you have complete control over all functions, you
can use all channels as they best suit your individual system.

Loading the GUI

Download the GUI (Graphic User Interface) from www.zapco.com > Downloads, if you
have not already done that, and load the GUI from the .exe file.
Connecting the PC: Connect the PC to the ST-X DSP amp using the supplied USB cable.
NOTE: The ST-X DSP GUI is very forgiving about PC Screen resolution. However the ideal
resolution 1600 x 900 optimal on most PC’s. 

14

Summary of Contents for ST-X DSP III Series

Page 1: ...1 Before operating the unit please read this manual throughly and retain it for future reference ST X DSP III SERIES Owner s Manual...

Page 2: ...created equal on Page 6 MISSION STATEMENT Committed to Excellence ZAPCO is dedicated to the pursuit of audio fidelity Our prime objectives are to design and manufacture audio products of unsurpassed q...

Page 3: ...ound quality Just check out the audio competition scene The pros know what to use to win Competition amps however do not come cheap and not everyone wants to compete The challenge then was to put Zapc...

Page 4: ...l add a fuse or fuse block near the amplifier it is still a possibility that a pinched power wire between the component fuse and the battery could result in a short or even a fire The protection devic...

Page 5: ...rounding area for air supply and keep the end plates clear for future access Keep the amplifier out of the engine compartment or other locations that may cause excessive heat or moisture Do not mount...

Page 6: ...turn on selector 3 OEM Connector for speaker In Out and Power ST 68X DSP III Input Controls The ST 68X DSP III is a 4 Channel amplifier with on board Digital processing The input functions are describ...

Page 7: ...ing indicators 9 Power Ground Rem 12V Battery 10 Speaker terminals 8 7 12 ST 4X DSP III Input Controls Output Speakers The ST 4X DSP is a 4 Channel amplifier with on board Digital processing The input...

Page 8: ...combine highs and lows from a 2 way factory system to make a single full range sig nal for processing The Custom Sum lets you determine your configuration After you have chosen your input you can mov...

Page 9: ...er c Add distance to each of the other speaker so that ALL speakers have the same distance You do this by subtracting each of the shorter speaker distances from the longest see example below 16 Save l...

Page 10: ...nel has a High Pass and a Low Pass filter You can control the frequencies of the filters by highlighting the FREQ box and typing in a value or by using the keyboard up down arrows You can choose the S...

Page 11: ...and shows in Red as do the Gain You can click into the Gain or Q value Freq and Q The green squares show box of any band and adjust using the the width Q of the filter up down arrow keys 20 Phase Leve...

Page 12: ...un mute the midranges The process is the same for each pair of speakers The sound should come from a single focused point near the center of the windshield For midranges and larger drivers you want to...

Page 13: ...The bass area as 3 to 4dB above the midrange and the highs slope off smoothly This will have good solid bass and a smooth sound through the midrange and highs 24 Once you have these phased you can br...

Page 14: ...response it is very sensitive to peaks The response peaks are what makes a speaker sound harsh and cause ear fatigue You listen for a while then turn it off because it starts to irritate your ears Wi...

Page 15: ...1 Modesto California USA Since 1974 zapco com...

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