Toshiba TLP-250 Owners Manual - Page 59

Correcting illuminated defects - problems with image

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Correcting illuminated defects CONTENTS 59 Control panel (Main unit side) ON LAMP ON / STANDBY TEMP FAN For the CCD image sensor used in the camera unit, in rare cases some of the pixels may be disturbed due to the influence of cosmic rays, etc. This disturbance may cause white spots to appear on the picture. If white spots appear on the document camera image, use the procedure described below to correct the problem. 1 With the document camera operating, fully cover the camera lens with a piece of black paper or cloth. MENU ENTER EXIT AUTO SET INPUT VOL / ADJ 2 Press both sides Camera control panel LOCK W.BALANCE ARM LIGHT CAMERA GAIN CAMERA Camera lens 2 ARM LIGHT Press ARM LIGHT on the camera control panel and EXIT on the projector's control panel simultaneously. EXIT You can not use the remote control buttons. Document imaging camera KEYSTONE Note Do not press ARM LIGHT and EXIT buttons simultaneously if the camera lens is not covered. Doing so will not only erase the white spot correction data already set but also result in parts ot the image that are properly displayed being corrected. Also be careful if the camera input mode is not selected.

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59
CONTENTS
Document
imaging camera
With the document camera operating, fully
cover the camera lens with a piece of black
paper or cloth.
1
Correcting illuminated defects
Note
Do not press
ARM LIGHT
and
EXIT
buttons simultaneously if the camera lens is not
covered. Doing so will not only erase the white spot correction data already set but also
result in parts ot the image that are properly displayed being corrected. Also be careful if
the camera input mode is not selected.
ARM LIGHT
EXIT
CAMERA
ARM LIGHT
LOCK
W.BALANCE
CAMERA
GAIN
2
K
E
Y
S
T
O
N
E
A
U
T
O
S
E
T
E
X
I
T
ON / STANDBY
VOL / ADJ
E
N
T
E
R
M
E
N
U
I
N
P
U
T
F
A
N
T
E
M
P
L
A
M
P
O
N
Press ARM LIGHT on the camera control panel
and EXIT on the projector’s control panel
simultaneously.
You can not use the remote control buttons.
2
Camera control panel
Control panel
(Main unit side)
Press both sides
Camera lens
For the CCD image sensor used in the camera unit, in rare cases some of the pixels may
be disturbed due to the influence of cosmic rays, etc. This disturbance may cause white
spots to appear on the picture.
If white spots appear on the document camera image, use the procedure described below
to correct the problem.