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Net Oil Computer Supplement 21
Using the Display and Menu System
NOC Overview NOC ConfigurationUsing the DisplayBefore You Begin
3.5 Using the cursor control buttons
The cursor control buttons move the cursor around the display menus. In menus, the cursor is a
reverse-video highlight bar.
•Use the
Up and Down buttons to locate the cursor at the menu item you want to select or
change.
• After locating the cursor at the desired menu item, press
SEL or CHG, or the Right button, to
select or change the item.
3.5.1 Selecting from a list
For enumerated lists, pressing
CHG will display a separate screen from which you can choose the
desired option. From that screen:
• Press
SAVE to save the change and return to the previous screen, or
• Press
EXIT or the Left button to return to the previous screen without saving.
3.5.2 Changing a variable value
If you need to change the value of a variable, the cursor appears as a line under a character in the
current value.
• If the variable has a value of Yes or No, all cursor control buttons toggle between the two
choices.
• If the variable has a numeric or character value, press the
Up and Down cursor control buttons
to increase or decrease the value of the character at the cursor.
• If the variable has more than one digit or character, press the
Left and Right cursor control
buttons to move the cursor to the next or previous character.
When the value is correct, press
SAVE.
Press
EXIT to return to the previous screen without saving.
3.5.3 Cursor control example
Figure 3-5 shows a typical configuration sequence involving both a menu item and a variable.
Pressing
HELP produces a screen that has help for the item at the cursor.
3.6 Scientific notation
Scientific notation is used on some screens for displaying values that contain more digits than the
display can show, or that exceed the precision of the floating point data type. For example, the value
1234000.000 would be displayed as 1.234E6 or 1.234+6.