PAC AP4-TY13 Quick Start Manual Download Page 4

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PAC-audio.com

Pacific Accessory Corporation

Page 4

Rev: V3

Date:062419

Advanced Amplifier Interface 

for Select Toyota Applications

AP4-TY13

Setup and Configuration 

Setting the radio's beep volume using the programming button

1.  Start with the level control knob turned all the way down (counter-clockwise).

2.  Press the programming button on the side of the interface.

3.  LED 1 will turn green and beeps will begin continuously sounding.

4.  Turn the level control knob clockwise until the desired beep volume level is reached.

5.  You can now either press the programming button twice or wait ten seconds to exit the settings.

Manually Setting the Minimum Volume 

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 

minimum volume using the AmpPRO app, please proceed to the AmpPRO App section.

PLEASE NOTE: Level control knob must be connected to the module in order to set the Minimum Volume

.

Setting the minimum volume using the programming button

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.

4.  Press the programming button on the side of the interface twice.

5. 

LED 1 will turn amber and the chimes will begin sounding every five seconds.

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.

Use of the AmpPRO App allows 

you to do the following:

• 

Configure User Interface Options such 

as:

•  Minimum Volume Level

•  Chime (Radio Beeps) Volume Level

•  Enable / Disable AP4 Chimes (Radio 

Beeps)

•  Enable / Disable factory EQ

•  Bass / Mid / Treble boost frequencies 

and Q factor

•  Update Product Firmware

•  Read Firmware / Hardware Versions

•  You can download the AmpPRO app at : 

http://aampglobal.com/appdownloads

AmpPRO App

1.  Turn the ignition on. LED 1 on the interface will turn on and the +12v remote output will turn on.

2.  Set the amp gain(s) to the desired level. We recommend using an oscilliscope and test tones to set the amp gain(s). Please 

refer to the MECP Advanced study guide if you are unfamiliar with this process.

3.  Check volume, balance, fade and EQ settings.

4.  If you would like to adjust the radio's beep volume or minimum volume, do so using one of the methods outlined below. If 

you are happy with the default levels, no adjustments are necessary.

Manually Setting the Radio's Beep Volume

You can manually set the level of the factory radio beeps using the programming button on the side of the interface. If you would 

like to set the beep volume using the PC app please proceed to the PC App section.

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