| Conventions | Special information, such as warnings, cautions are indicated as | 
| 
 | follows: | 
| 
 | WARNING | 
| 
 | A WARNING indicates that personal injury may result if you do not | 
| 
 | follow a procedure correctly. | 
| 
 | CAUTION | 
| 
 | A CAUTION indicates that damage to the scanner may result if you | 
| 
 | do not follow a procedure correctly. | 
| 
 | NOTICE | 
| 
 | A NOTICE provides  | 
| 
 | a procedure correctly. NOTEs are particularly useful for  | 
| 
 | users. | 
ii
