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APSUB-FD21
Troubleshooting
1. Low volume setting on radio is too loud - Set minimum volume using process outlined in Setup and Configuration, or by
using the AmpPRO application.
2. SYNC or Bluetooth voice is cutting off too early - Set feature DIP switch 3 to the on (down) position.
3. After using SYNC or Bluetooth, the volume knob becomes unresponsive - Set feature DIP switch 4 to the on (down)
position
Technical Support
Email: support@PAC-audio.com
Phone: 727-592-5991
Chat: PAC-Audio.com
Pacific Accessory Corporation
Action/Color
Solid Red
LED 1
Solid Amber
Rapid Blink Any Color
LED 2
Blinking Amber
Both LEDs
Alternate Blinking Red
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-Audio.com
Advanced Subwoofer Amplifier Interface
LED Legend
During Normal Operation
Module Active
Minimum Volume Adjustment Mode
DSP Activity
USB Connection Detected
Performing Memory Reset
for Select Ford Vehicles
Rev: V1
Date: 091120
Page 5
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