Hitachi CP-A52 A1B-20, Service Manual

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CP-A52 / ED-A101 / ED-A111 (A1B-20)
4-10 Installation Suggestions for CP-A52/ ED-A101/ED-A111
• The suggested projection image size is from 60” to 100”. It is recommended to check if the focus
performance is acceptable for your needs when projecting at larger than 100”.
• It is strongly suggested to use the board-type screens with fl at surface. Using the roll-type screens or any
screens with wavy or uneven surface may results in the image distortion.
• Allow enough time for projector setting whenever the projector is moved. Adjust focus before adjusting
image position and projection angle. Changing focus may cause change of the image size.
• The projected image position or/and the focus may change during the warm-up (approx. 30 minutes after
the lamp is turned on) or when the ambient condition changes. Adjust the image position and/or focus if
necessary.
Following the instruction below when the projector is to be fi xed on the ceiling or the wall.
[Note]
• Use only Hitachi-recommended installation boom.
• Adjustment may be required even when the projector is installed according to the distance and angle
suggested on the instruction.
• Note that the projection distance needs to be adjusted by boom length or position since the projector is
not equipped with optical zoom functionality.
• The aspect ratio on the projected image or/and the projected image size may change during the focus
adjustment.
• The projected image position or/and the focus may change during the warm-up (approx. 30 minutes after
the lamp is turned on.).
• The projected image size or/and its position may change due to the ambient condition, such as
temperature or/and humidity changes.
• The projected image position may change after the installation (allow about 1 week to stabilize).
Step 1
• Roughly adjust the focus to match the screen size after mounting the projector to the boom.
• Keep the projector running for more than 30 minutes after focus adjustment.
Step 2
• Adjust/Make the projected image size smaller than the actual screen size by keeping margins for all sides
of the screen as shown in the table below.
Step 3
• Adjust the focus if the focus changed after the adjustment of the projected image size and position.
• Go back to the Step 2 if the image size goes over the margins after the focus fi ne-tuning.
Screen size
[inch]
Vertical margin
[mm]
Horizontal margin
[mm]
60 20 25
80 25 30
100 30 40
150 45 60
200 60 75
Vertical margin
Vertical margin
Horizontal margin
Horizontal margin
Projected Image
Screen
CAUTION
This projector is not allowed to be used for vertical installation like tabletop use.