The 3Sixty.3 utilizes a very unique circuit to detect the maximum output voltage that can be achieved from each channel of your source unit at a very low
THD level. THE 3Sixty.3 IS NOT LOOKING FOR A CLIPPED SIGNAL FROM YOUR SOURCE UNIT. The 3Sixty.3 comes with a special modulated signal
on track 1 of the Setup Disk that is used to measure the source unit’s output. Insert the Setup Disk into your source unit, and select track #1. Each input
channel selected in the Assign Input Configuration window will display a level meter, indicating the voltage for that channel as well as the amount of THD
measured. The THD level is indicated by the color of the level meter. A green level meter indicates an acceptable amount of THD while a red level meter
indicates an unacceptable level Turn the volume on the source unit to maximum, then reduce the volume until the level meter for every channel is green.
Note the final source volume on the source unit level, which is the MAXIMUM level the source unit should be turned up to once the installation is complete.
On the Input Attenuators page, the input level of each channel is displayed using a level meter and underneath each level meter is an attenuation level slider.
In order to ensure an equal output voltage on all channels, the “Auto Range” feature attenuates each input channel to 2V before entering the DSP. This is the
maximum input voltage needed to achieve the maximum 8Vrms on the 3Sixty.3’s output.
NOTE: THE 3Sixty.3 IS NOT LOOKING FOR A CLIPPED SIGNAL FROM YOUR SOURCE UNIT, you will not be able to see your source unit clip on a
oscilloscope when the level meter turns from green to red.
Input Denormalization
The 3Sixty.3’s input denormalization function is designed to measure the electrical frequency response of each channel from your source unit and calculate
the correction curve needed to flatten the output of each channel. It then combines the correction curve with the source units output, giving you a flat
frequency response on the output channels. Select track #2 (Correlated Pink noise) on the 3Sixty.3 setup disk. The volume of the source unit can be left at
its maximum level unless the source unit has a volume dependant equalization circuit such as most BOSE systems, in which case the source unit should be
set to half of the maximum level calculated when level setting the input. Select the “Auto Normalize” button, this can take aprox 1-5 minutes to calculated
the correction curve needed to normalize the output. You can now use the drop down menu to switch between the measured input frequency response
and the corrected output frequency response displayed on the graph. The color correlating to each channel on the graph will be displayed on the right
hand side. The “Read Results” button on the left hand side is only used when a 3Sixty.3 processor unit has been previously configured and the user wants
to view the input or output curves previously calculated without rerunning the “Auto Normalize”
function.
NOTE: You cannot normalize a non full range signal. You must sum two or more non full range
channels to achieve a full range signal before using the “Auto Normalize” function.
Load Presets
The “Load Presets” tab is used to recall any of the four previously stored presets. Simply double
click the “Load Presets” tab from the drop down menu and select the preset you would like to load.
The 3Sixty.3 UI will then display the settings that were previously stored for that preset.
Store Presets
The 3Sixty.3 can save up to four presets using the “Store Presets” tab. Each preset will save the EQ
curve, crossover settings, Q, time alignment, and EQ gain. The presets names and comments can
also be changed/added when saving a preset. When you are finished tuning a vehicle and would like
to save the tuning as a preset simply double click the “Store Presets” tab from the drop down menu,
select which of the four preset locations you would like to save the tuning in, rename the file if you
want to change its name and select save.
NOTE: If there was a preset already saved in the location you choose to save the new tuning, the
old preset will be over written.
Upgrade Firmware
To manually check for 3Sixty.3 processor firmware updates, double click the “Upgrade Firmware” tab
from the drop down menu. Follow the on screen prompts to update your 3Sixty.3 processor.
NOTE: You must have an internet connection to update your device.
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