Viavi 87339, Operation Manual

Page: 40 / 198

Operation
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2.7.3 Data Slew Bar
The Data Slew Bar incrementally selects specific data values by spinning the wheel.
Selecting x10 increases the step increment by a factor of 10. Selecting /10 decreases
the step increment by a factor of 10.
Select UP arrow to increase data value. Select DOWN arrow to decrease data value.
Select CANCEL to void data entry.
Selecting Enter closes the Data Slew Bar.
Fig. 2-9 Data Slew Bar
2.7.4 Drop-down Menus
Drop-down Menus are used to list pre-defined variables. Selecting a Drop-down Menu
opens the list of variables available for that field. The variable currently selected is
displayed on the menu as bold white label on a blue background. Drop-down Menus can
be dragged up and down on the display in order to view long lists.
Fig. 2-10 Drop-down Menu
2.7.5 Selectable Units
Some fields may have selectable units. For those fields identified, select the units field
and a drop-down menu will be displayed.
Fig. 2-11 Selectable Units