-33-
Electrical Adjustments
After replacing the G-sensor circuit (IC3851 and
peripheral circuit) and EPROM (IC1371) , readjust the
Keystone Offset adjustment as follows.
1. Put the projector on a horizontal place with the
adjustable feet being minimum range and then enter
the service mode.
2. Select group no. “
102
”, item no. “
3
” and set data
value from “
0
” to “
5
”.
3. By pressing the
SELECT
button, the Keystone
Offset adjustment will start.
4. When it has completed, the "OK" message will
appear on the screen.
5. By pressing any button on the projector or the
remote control, the "OK" message will disappear.
(Data value of Group no. “102”, item no. “3” will be
back from “5” to “0” for initial value.)
Caution;
Before adjustment, turn on the projector more than
25 minutes.
11. Keystone Offset adjustment
The Color Shading Correction can be ordered with fol-
lowing service code.
COLOR SHADING CORRECTION Ver. 4.00
Service Parts No.
645 075 9611
If the correction of the Color shading adjustment is nec-
essary, please adjust the "Color shading" by using the
"COLOR SHADING CORRECTION" software supplied
separately.
The color shading correction adjustment for this model
should be performed with the whole-gray patterns speci-
fied as below.
4-input patterns:
6.25% gray, 12.5% gray, 25% gray, 50% gray
12. Color Shading Correction adjustment
1. Enter the service mode, select group no. “
240
” and
item no. “
0
” .
2. To start the calibration, change data value from “0”
to “
1
”. During the calibration, the word "Please wait..."
appears on the screen. After the calibration completed
correctly, "OK" will appear on the screen.
IMPORTANT
Before taking this adjustment, you need to replace the
filter cartridge with new one or scrolled up to new filter.
13. Wind Velocity Sensor Calibration
Содержание PLC-XC55
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