User Guide

CHAPTER 2
2 - 14
COPYRIGHT
©
1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Figure 2-8-3
5
Stores R LED ON period data
NO
Adjusts LED ON period data
YES
Obtains 1 line of white data
<Exposure control data fine adjustment>
Max. value in 1 line of data
is within proper range?
*B
Stores R LED ON period data
Changes LED to G and
performs from *A to *B.
Stores G LED ON period data
Changes LED to B and
performs from *A to *B.
Stores B LED ON period data
LED OFF
Moves scanning unit
to the home position
Standby