4.  OPERATION
(9)  Enter the new password .
The following screen is displayed:
Level1Password
ReEnter New Password
(10) Enterthenewpasswordagain.
The following screen is displayed:
Level1Password
Success! OK:Continue
(11) Press ok.
The display returns to the Change Passwords Menu.
Follow the procedure to set/change another password or press esc to return to the  
Main Menu.
Note:  If the wrong password is entered at the prompt during step 10 the following screen is 
displayed:
 
Level1Password
Failure! OK:Continue
 (1)  Press ok.
      The display returns to the Change  
      Passwords Menu.
    (2)  Repeat the procedure re-entering the  
   correct password.
4.3.2  Password reset
The Reset Passwords option allows the system administrator to reset all the passwords back to the 
defaultpasswordsuppliedwhentheunitisrstdelivered,i.e.
       (ok, up, down and 
down). This provides initial access to all of the menus.
Toresettheaccesspasswordstothedefaultvaluecarryoutthefollowingprocedure:
(1)  Power-up the system.
Wait for the Gas Reading display to stabilise. 
(2)  Press the esc button.