Pioneer Super Tuner IIID DEH-P5800MP Operation Manual page 60

Removing the unit (Fig. 6) (Fig. 7)
Frame
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.
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Fig. 6
Fig. 7