Webster IRP 4100 Installation Manual page 35

b Lift up vertically on the cover and rotate the bottom of the
cover out slightly to disengage it from the locating pins on
either side at the bottom.
c Lift the cover off and set it aside along with the two thumb
screws.
4 Unplug the A/C power cord from the left end.
5 Unplug the RS-232 ribbon cable (marked RS-232) from the top,
left end.
6 Unplug the IR receiver ribbon cable (marked IR RCV) from the
top, middle.
7 Further free up the RS-232 and IR receiver cables by detaching
the in-line ferrite filter, through which they both pass, from the
header.
8 Push the unplugged A/C power cord and two ribbons cables
(along with their in-line ferrite filter) gently through the oblong
hole in the header.
9 Replace the header cover as follows:
NOTE
NO TE :
If you will be replacing the Webster screen very soon, you can leave
the header cover off the screen for the time being. If you will not be
replacing it for a while, it is best to replace the header cover.
a Position the cover over the locating pins on either side at
the bottom, in and then down.
b Lower the cover into place with its top all the way back.
c Replace the two thumb screws at the ends of the top of the
cover.
10 To release the Webster screen from the frame:
a Using a thin-bladed screwdriver or small knife, expose the
access holes for the two lower mounting screws by removing
the plastic hole covers at the two lower corners in the front
of the screen frame. (Use care not to scratch the surface of
the frame with your tool.)
MOVING THE IRP 4500 33