A.4 Commands

 

 

Table A.6 Commands

 

 

 

Command

Operation

Description

 

code (hex)

 

 

 

 

RESERVE UNIT

16

Declares the exclusive use of a logical unit

 

 

 

RELEASE UNIT

17

Cancels the declaration of the execlusive use of a logical

 

 

unit

 

 

 

INQUIRY

12

Examines the information regarding the target and logical

 

 

unit

 

 

 

REQUEST SENSE

03

Requests a target for sense data

 

 

 

SEND

1D

Requests a target for self-check

DIAGNOSTIC

 

 

 

 

 

TEST UNIT READY

00

Checks whether or not a logical unit is ready

 

 

 

SET WINDOW

24

Sets a window

 

 

 

SET SUBWINDOW

C0

Sets subwindows

 

 

 

SEND

2A

Sends Dither Matrix

 

 

 

OBJECT POSITION

31

Controls the automatic document feeder

 

 

 

READ

28

Requests transfer of image data

 

 

 

MODE SELECT

15

Selects operating mode of the device.

 

 

 

MODE SENSE

1A

Requests operating mode of the device.

 

 

 

SCAN

1B

Requests the target begin a scan operation

 

 

 

Appendix A-21