Emerson Rosemount 644, Reference Manual

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164
Reference Manual
00809-0200-4728, Rev RA
Appendix D: Local Operator Interface (LOI)
April 2015
Local Operator Interface (LOI)
Usage notes:

It is possible to move backwards in the number by scrolling to the left and pressing
enter. The left arrow appears as such in the LOI:
;

The negative symbol is only allowed in the left most position.

The Over score character “¯ “is used in the LOI to enter a blank space for Tag entry.
D.2 Text entry
Text can be entered with the LOI. Depending on the edited item, up to eight locations on the top
line can be used for text entry. Text entry follows the same rules as the number entry rules in
“Number entry” on page 163 , except the following characters are available in all locations: A-Z,
0-9, -, /, space.
D.2.1 Scrolling
When it is desired to move more quickly through the list of menu choices or alpha numeric
characters without individual button presses, a faster scrolling technique is available. Scrolling
functionality allows the user to walk through any menu in forward or reverse order, enter text or
digits easily and quickly.
Menu scrolling

Simply hold down the left button after it brings you to the next menu item, each of the
proceeding menus will be shown one after another while the button is pressed down.
For an example, see
Figure D-1 below.
Text or digit entry scrolling

Quickly navigate through number and text menu lists by holding down the left button
the same as in Menu.
12 Press the enter button to select the decimal, “.”, for the
seventh digit. After pressing enter, all digits to the right of the
decimal will now be zero. The eighth digit from the left will
now be blinking. 000011.0
13 Press the scroll button to navigate through the numbers until
the “2”, is on the screen. 000011.2
14 Press the enter button to select the “2” for the eighth digit.
The number entry will be complete and a “SAVE” screen will
be shown. 000011.2
Step Instruction
Current position
(indicated by underline)