PAC AP4-CH31 Manuel utilisateur
PAC®| Ph. 866-931-8021 | [email protected]
©2017 PAC | PAC is a Power Brand of AAMP Global
www.pac-audio.com
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AP4-CH31
The AP4-CH31 provides a 6-channel pre-amp output for use with aftermarket audio equipment. Using the full range,
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Introduction and Features
Important Notes
1. This interface is only compatible in vehicles equipped with a data-bus controlled premium sound system. To verify
compatibility, look for an Alpine, Beats, or Harmon Kardon badge on the door speakers, center speaker, or factory sub
woofer. If none of these brands are shown, check for the presence of a center speaker or sub woofer.
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3. The remote output is rated at 2A of current. If more current is needed an external relay must be used.
4. Channels 5 and 6 are non-fading outputs. The output level of channels 5 and 6 can be controlled using the supplied level
control knob.
5. The minimum volume level is set to 0 dB by default. If you are happy with this level in your particular application then
additional adjustment is not required. The level control knob must be connected in order to manually adjust the minimum
volume setting.
6. No adjustments can be made manually using the programming button, or the factory SWC when the module is connected to
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Wiring Connection Chart
To Aftermarket
Amplier
Non-FadingRearFront
1(L) 2(R) 4(R) 5(L) 6(R)3(L)
Remote Turn On Output
2A Max Output
AP4-CH31-HAR
To Radio To Vehicle
Harness
Non-Fading
Level Control
Knob
Module Layout
Interface Connector 1
Expansion Port
Programming Button
Feature Select
DIP switches
Non-Fading Level Control
Knob Connection
USB Connection
LED 1
TOSLINK Output
(APA-TOS1 sold separately)
Front Output
Ch. 1(L) and 2(R)
Rear Output
Ch. 3(L) and 4(R)
Non-Fading Output
Ch. 5(L) and 6(R)
LED 2
PAC®| Ph. 866-931-8021 | [email protected]
©2017 PAC | PAC is a Power Brand of AAMP Global
www.pac-audio.com
Rev. 020717 Page 2
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AP4-CH31
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1. Turn the ignition on. LED 1 on the interface will turn on and the +12v remote output will turn on.
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3. Check volume, balance, fade and EQ settings.
4. If you would like to adjust the minimum volume, do so using one of the methods outlined below. If you are happy with the
default level, no adjustment is necessary.
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If the minimum volume of the radio (factory radio volume level 1) is too loud, you can manually set the level of the minimum
volume using either the programming button on the side of the interface or the factory SWC. If you would like to set the
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1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
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6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. You can now either press the programming button once or wait ten seconds to exit the settings.
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1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
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operation.
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6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. You can now either press the programming button once or wait ten seconds to exit the settings.
Installation
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2. Disconnect the main 22-pin factory harness from radio.
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voltage at 5v. See troubleshooting section on page 4 for more details.
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8. Connect the level control knob to the module and install in an accessible location.
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PAC®| Ph. 866-931-8021 | [email protected]
©2017 PAC | PAC is a Power Brand of AAMP Global
www.pac-audio.com
Rev. 020717 Page 3
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• Minimum Volume Level
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frequencies and Q factor
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heard.
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%DVV0LG7UHEOH)UHT4)DFWRU This allows you to set the center frequency that will be adjusted when setting the 3 band
factory EQ, as well as the Q Factor for each frequency. The Q Factor determines how many of the adjacent frequencies will be
affected when adjusting the selected frequency. The lower the Q Factor, the more frequencies will be affected.
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80HZ 1KHZ 10KHZ
100HZ 1.5KHZ 12.5KHZ
120HZ 2.5KHZ 15KHZ
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1.00 1.00
1.50 1.25
2.00 1.50
Bass Frequency Mid Frequency Treble Frequency
Available Frequencies and Q Factors
Bass Q Factor Mid Q Factor Treble Q Factor 0.75
1.25
PAC®| Ph. 866-931-8021 | [email protected]
©2017 PAC | PAC is a Power Brand of AAMP Global
www.pac-audio.com
Rev. 020717 Page 4
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You can restore the interface to factory default settings by pressing and holding the programming button on the side of the module
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• Minimum volume level
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• Factory EQ frequency
• Factory EQ Q factor
Troubleshooting
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still hear the hiss, lower your amp gains until the hiss is gone.
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volume.
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seconds until a tone is heard.
Action / Color During Normal Operation
Solid Red Module Active
Solid Green Chime Volume Adjustment Mode
Solid Amber Minimum Volume Adjustment Mode
Rapid Blink Any Color DSP Activity
LED2 Blink Amber USB Connection Detected
Both LEDs Alternate Blinking Red Performing Memory Reset
LED Legend
LED 1
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