Pioneer DEH-P3800MP Operation Manual page 54

Removing the Unit (Fig. 6) (Fig. 7)
Frame
5
To remove the frame, extend top and bottom
of the frame outwards in order to unlock it.
(When reattaching the frame, point the side
with a groove downwards and attach it.)
• It becomes easy to remove the frame if
the front panel is released.
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.
Fig. 6
Fig. 7