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AAMP Global PAC AP4-CH21 - AP4-CH21 Firmware Updates and Troubleshooting; Firmware Update Procedure; Restoring Factory Settings; Troubleshooting Common Issues

AAMP Global PAC AP4-CH21
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PAC
®
| Ph. 866-931-8021 | support@pac-audio.com
©2017 PAC | PAC is a Power Brand of AAMP Global
www.pac-audio.com
Rev. 020717
Page 4
P ifi A C ti
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AP4-CH21
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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
Enable / Disable factory EQ
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. If you still do not hear voice prompts, be sure that the 10-pin connector is plugged in behind the radio.
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for 12 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 eprom reset
LED Legend
LED 1
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