Endress+Hauser SpectraSensors J22 TDLAS, Руководство по эксплуатации

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Operating Instructions J22 TDLAS Gas Analyzer
50 Hauser
Access authorization to parameters: Maintenance user role
Access Code Status Read Access Write Access
An access code has not yet been defined (Factory setting).  
After an access code has been defined.   1
1 If an incorrect access code is entered, the user obtains the access rights of the Operator user role.
The user role with which the user is currently logged on is indicated by the Access status parameter. Navigation
path: Operation → Access status.
5.5.6 Disabling write protection with access code
If the  -symbol appears on the local display in front of a parameter, the parameter is write-protected by a user-
specific access code and its value cannot be changed at the moment using local operation. See Write protection
through access code →  .
Parameter write protection through local operation can be disabled by entering the user-specific access code in the
Enter access code parameter from the respective access option.
1.
After you press  , the input prompt for the access code appears.
2.
Enter the access code.
 The  -symbol in front of the parameters disappears; all previously write-protected parameters are now re-
enabled.
5.5.7 Enabling and disabling the keypad lock
The keypad lock makes it possible to block access to the entire operating menu through local operation. As a result, it
is no longer possible to navigate through the operating menu or change the values of individual parameters. Users
can only read the measured values on the operational display .
Local operation with touch control
The keypad lock is switched on and off from the context menu.
Switching on the keypad lock
The keypad lock is switched on automatically:
• Each time the device is restarted.
• If the device has not been operated for longer than one minute in the measured value display.
1.
The device is in the measured value display.
Press  for at least 2 seconds.
 A context menu appears.
2.
In the context menu, select the Keylock on option.
 The keypad lock is switched on.
If the user attempts to access the operating menu while the keypad lock is active, the message Keylock on
appears.
Switching off the keypad lock
1.
The keypad lock is switched on.
Press  for at least 2 seconds.
 A context menu appears.
2.
In the context menu, select the Keylock off option.
 The keypad lock is switched off.