Audiovox DPF508 Owner's Manual page 12

K. Removal and Installation of Interchangeable Frames
Remove
Remove the current frame attached to the unit. Refer to the illustra-
tion below:
Installation
Please refer to the illustration below:
Cover back
Insert the unit into the left cover slots first then lower the right side
of the unit until it comes in contact with the frame. Press the plastic
frame on the right of the unit. The lock position is indicated by a
click.
Press here then remove the cover.
Unit back
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