Clog Sensor Calibration; Keystone Calibration - Panasonic PT-VZ570 Service Manual

SECTION 3 ADJUSTMENTS

1. 9. Clog sensor calibration

1. 9. 1. Preparation
This is to calibrate the clog sensor circuit.
• This calibration should be done in the condition that the projector is
completely assembled and place on the floor and the adjuster legs
are set in the cabinet bottom.
• Replace the air filter with new one before starting calibration.
• The work should be done at the location where there are no heat
apparatus and the ventilation opening of the air-conditioner and the
object to block the exhaust air.
1. 9. 2. Adjustment procedure
1. E nter the service mode (EXTRA OPTION) and select [CLOG
SENSOR CALIBRATION].
2. Select the altitude range of your work place to with [
tons and press [ENTER] button to enter the adjustment mode.
3. Select [OK] and press [ENTER] button to start the calibration.
During the calibration, the projector displays white raster.
4. After apporox. 15 minutes, the calibration is complete and the
white screen switches to normal screen.
• Do not turn off the projector during the calibration.

1. 10. Keystone calibration

1. 10. 1. Preparation
This is to calibrate the keystone correction circuit.
• This calibration should be done in the condition that the projector is
completely assembled and place on the flat floor and the adjuster
legs are set in the cabinet bottom.
1. 10. 2. Adjustment procedure
1. E nter the service mode (EXTRA OPTION) and select [KEY-
STONE CALIBRATION].
2. Press [ENTER] button to start the calibration.
3. When calibration is complete, the message will appear on the
screen.
4. Press [MENU] button to exit the adjustment mode.
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