Scanner Interface
A.7.2 Command sequence to read
The following illustration is an example of the command sequence used with this scanner. All commands are assumed to be issued from a single initiator.
(1)Normal sequence
Initiator |
| Target |
|
|
|
RESERVE UNIT |
| Move to reserved status |
| ||
|
|
|
SET WINDOW
Example: Set up window 0 (front- side) and window 128
Declare subwindows 0 and
1in both
-Set window parameters
-Calculate the number of scan lines covering all windows set up, in terms of lines effective after magnification change
Document |
| Document | ||||
|
|
|
|
|
|
|
| Window 0 |
| Window 128 | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SET SUBWINDOW |
| Set subwindow parameters |
| ||
|
|
|
Appendix