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The QS841A is programmed to associate the necessity of a PIN to the specific operation or
configurable parameter. A sample screen like that following is required for PIN access.
The up, down, left and right arrows are used to enter the appropriate password. Upon entering a
correct PIN the following momentary screen shows up and then disappears leaving the user at the
menu location prior to entering the PIN. The QS841A has a factory default of 0000 for the PIN.
Once a user enters the PIN, total front panel access is allowed for:
•
As long as the user remains in menus other than the default menu and/or
•
The default display has remained on the front panel for more than user configurable time-out value. The QS841A
has a factory configured default of 30 minutes. This time is adjustable between 1-120 minutes in 1 minute
increments.
•
An internal counter shall be kept and reset if the user leaves the default menu and returns to others menus before
the time-out period is reached.
The following figures show a menu flow map for each primary category along with the settings and
operations found in each. , and are followed by brief descriptions of the menu items. Alarms and
Warnings are not hierarchal mapped and are presented in chronological order of occurrence when they
are present. "No Active Alarms" or "No Active Warnings" will be displayed when they are no alarms or
warnings detected by the controller.
NOTE: Controller may have menu options than those mentioned here due to improvements.
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