Toshiba TDP-TW300U Service Manual page 84

The number (6 characters) of the bar code label stuck on optical engine is read, and input the focus offset
number.
Click the OK button.
Check the offset number, and click the Yes button.
Click the OK button.
A projector is restarted (AC off), before you check it.
CAUTION:
In case of executing focus offset after distance calibration, please restart a projector.
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Chapter 7