Pioneer Super Tuner III DVH-P7050 - Manual (Page 100)

Installation
Removing the unit
En 100
14
Section
Insert the release pin into
the hole in the bottom of
the frame and pull out to
remove the frame. (When
reattaching the frame,
point the side with a
groove downwards and
attach it.)
Frame
Insert the supplied extraction
keys into the unit, as shown in
the figure, until they click into
place. Keeping the keys
pressed against the sides of
the unit, pull the unit out.