475900

Canon LV-7590 Manual

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Installation
Installation
Some parts are not used for installation or replacement.
Keep these parts for later use.
Focus Lock Screw
Focus Lock Ring
Focus adjustment
Set up the projector and project image on the screen.
1. Loosen the Focus Lock Screw on the lens.
2. Rotate the lens to obtain proper focus on center
area of the screen.
3. Lock the Focus Lock Screw securely.
When proper focus is not observed at outer area of the
screen, proceed the following adjustments.
4. Loosen the Focus Lock Ring on the lens. (Turn the
Lock Ring counter-clockwise.)
5. Rotate the lens to obtain proper focus on outer area
of the screen.
6. Lock the Focus Lock Ring securely. (Turn the Lock
Ring clockwise.)
If proper focus is not observed over the entire screen,
repeat above adjustments 1~ 6.
Focus correction
LV-IL01
BE SURE TO CHECK FOR SAFETY
After installing or replacing the lens, be
sure to check the following for safety.
1. Check the lens is securely fixed with the
screws.
2. Check no wiring is damaged or tangled
on the gear of the lens motor or the
other mechanical parts.
3. Check no part is missing, and no
mounting part is loose.
When the lens is attached to the projector and images
are being projected onto the screen, the peripheral
focus may be out of focus in some localized areas. If
this happens, insert the one, of three sizes of spacers,
in between the Lens Attachment and the lens to adjust
the focus.
Inserting the Spacer corrects the distance on the Lens
Adjustment and improves the diagonal focus.
The corrected distance is determined by the thickness
of the used spacers. As a guide, the distance is
adjusted by approximately 30 mm for each 0.1-mm
thickness of the spacers.
There are three types of spacers provided, and there
are four of each spacer type. Use these spacers to
correct the distance as required.
Spacer "1"
Color; Clear
Thickness; 0.1 mm
Spacer "2"
Color; Black
Thickness; 0.2 mm
Spacer "3"
Color; Cream
Thickness; 0.3 mm
Correction distance
30 mm/fo r 4 0 -inch
projection
Correction distance
55 mm/fo r 4 0 -inch
projection
Correction distance
80 mm/fo r 4 0 -inch
projection
B
C
D
A
B
C
D
A
Spacer
Lens
Lens Attachment
Screw driver supplied with the lens
✔Note:
•Theillustrationsshownonthispagemaydifferfromyour
product.
D
B
C
A
Distance
Screen
40-inch projection
… 23 …


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