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InFocus Projector Lp790hb Specifications

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    Page 41

    Page 41 33 MAINTENANCE & TROUBLESHOOTING     $ < G   G    (  #  G  A   G        G    ( #  G   A  Cleaning the Lens $       A  < 1        #     G   )  #   H         G       ... 
    33
MAINTENANCE & TROUBLESHOOTING
 
	

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    Page 42

    Page 42 34 Maintenance & Troubleshooting F IGURE 25 Removing the dust filter 3  #       $ $ 4&  #      $ FIGURE 26 Cleaning the filter 
    34
Maintenance & Troubleshooting
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    Page 43

    Page 43 35 Replacing the Projection Lamp WARNING: To avoid burns, allow the projector to cool for at least 60 minutes before you replace the lamp. Never extract the lamp housing while the projec- tor is operating.       + #      #               3*B              D   $   #    + NO   :: # #... 
    35
Replacing the Projection Lamp
WARNING: To avoid burns, 
allow the projector to cool for at 
least 60 minutes before you 
replace the lamp. Never extract 
the lamp housing while the projec-
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    Page 44

    Page 44 36 Maintenance & Troubleshooting F IGURE 28 Loosening the screws on the lamp housing 6#     B #         FIGURE 29 Removing the lamp housing 7   $       $ 8&    WARNING: Do not drop the lamp module or touch the glass bulb! The glass may shatter and cause injury. 9?   $    ?$ $     Pow e r      A  (  10  ... 
    36
Maintenance & Troubleshooting
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Loosening the screws on the lamp housing
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    Page 45

    Page 45 37 Replacing the Batteries in the Remote Control  # #      $ #   $       +  # $        $         #   1     # $    2+   ##   #    3&       #         4  $ $  (   0(           FIGURE 30... 
    37
Replacing the Batteries in the Remote Control
 
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    Page 46

    Page 46 38 Maintenance & Troubleshooting Tr o u b l e s h o o t i n g LEDs   3*B   #  A  I ,   J $       G    3*B         +  ,% G (   3*B   A      ##  A   $       3*B   #  A            #  A  G   3*B   A    G (  3*B  ... 
    38
Maintenance & Troubleshooting
Tr o u b l e s h o o t i n g
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    Page 47

    Page 47 39 Problem: Only the start-up screen displays G5#         +  = #    G0(           G5#         + N    5O    G     A  +  % GD       ##  $   !      &#     H          G0(    H )... 
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Problem: Only the start-up screen displays
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    Page 48

    Page 48 40 Maintenance & Troubleshooting Problem: Image is too wide or narrow for screen GA  F  A    GA  $  #   +  8 Problem: Image is out of focus G   A    #   G0(   A      ,= # I J #  A     A     =      G(  A     #    Problem: Image and menus are reversed left to right G& A ... 
    40
Maintenance & Troubleshooting
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    Page 49

    Page 49 41      #    #   +  +   #  $   http://www.infocus.com/service. DH  #   3 P            # 1#       + #      #$ #  < G    #  A  G  A H   I      J G  A H # $  I ... 
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    Page 50

    Page 50 42 Maintenance & Troubleshooting 
    42
Maintenance & Troubleshooting
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