l
Because it was the last to be called up, “Condenser” is the currently selected tab.
l
The “navigate back” button is enabled (since history is shared between tabbed
displays) and the drop-down list for display history shows the items “Turbine”
and “Boiler.”
2.
The operator selects “Turbine” from the drop-down history list.
l
The “Turbine” tab is now selected, and the “Turbine” display is on view.
l
The “navigate back” button is still enabled but the history list shows only one
item, “Boiler.”
l
The “navigate forward” button is now enabled and shows the item,
“Condenser.”
3.
The operator clicks the “close” button on the “Condenser” tab.
l
The “Condenser” tab closes.
l
The “Turbine” tab remains the currently selected tab.
l
The “navigate back” and “navigate forward” buttons remain enabled.
l
Only two tabs are open: “Boiler” and “Turbine.”
4.
The operator clicks the “navigate forward” button to go to the “Condenser” display.
l
The “Condenser” display is shown in the currently selected tab (which was
previously showing the “Turbine” display).
l
The “Turbine” display is closed and no longer available in a tab. (Remember that
the default setting is for new displays to be called up in the currently selected
tab.)
l
The “navigate forward” button is disabled as there are now no items in the
forward history list.
l
The “navigate back” button is enabled and contains the items, “Turbine” and
“Boiler.”
l
Only two tabs are open: “Boiler” and “Condenser.”
5.
The operator navigates to the Point Detail display for the Boiler_Valve point.
l
The Point detail display appears in the currently selected tab.
l
The “Condenser” display is closed and no longer available in a tab.
l
The “navigate back” button is still enabled and the history list contains the items
Using displays
Honeywell 2017 47
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