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PAC-Audio.com
Pacific Accessory Corporation
Page 5
Rev: V1
Date: 091120
Advanced Subwoofer Amplifier Interface
for Select Ford Vehicles
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
LED Legend
LED 1
Action/Color
During Normal Operation
Solid Red
Module Active
Solid Amber
Minimum Volume Adjustment Mode
Rapid Blink Any Color
DSP Activity
LED 2
Blinking Amber
USB Connection Detected
Both LEDs
Alternate Blinking Red
Performing Memory Reset
Technical Support
Email:
Phone:
727-592-5991
Chat:
PAC-Audio.com
