EC9830 CO ANALYZER OPERATION MANUAL 
2-42  98307600 Rev. C-1 
2.7.2 Sample Session 
1. At INSTRUMENT  MENU there is a field labeled PASSWORD. This should display 
the status UNLOCKED. 
2. Select the field labeled PASSWORD. The status UNLOCKED will be replaced by 
0000. 
3. Using the <Select> and arrow keys scroll to the desired numbers to represent 
the password. 
4. When  the  desired  password  appears,  press  the  <Enter>  key.  The  password 
will  disappear and  the  LOCKED  message  will  take its  place. The analyzer is 
now locked. 
5. Scroll through the instrument menus. From this point forward, it is impossible 
to select any alterable fields. 
6. Return to the INSTRUMENT MENU and select the PASSWORD field. 
7. The LOCKED message will disappear and 0000 appears in its place. 
8. Using  the  <Select>  and  arrow  keys  scroll  the  numbers  of  the  password 
entered previously. 
9. When the password is displayed, press the <Enter> key. The password will 
disappear and be replaced by the message UNLOCKED. 
10.  The analyzer is unlocked and the menu configuration can be altered.