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Operating Procedures
Display Indicators
Power-On
When lit, the Logic element Power-On indicator indicates that the Logic element is
powered on and the Display element Power-On indicator indicates that the Display element
is powered on.
Cursor
After the display station has been powered on and has completed its warm-up period, if
it is attached to a controller with an inactive host, the cursor is displayed in the upper left
corner of the screen. If the host is active, the cursor is positioned as specified by the host.
When you enter data characters through the keyboard, the cursor moves to the next
available screen character position.
Using the Light Pen to Select Data
You can use the optional light pen to select data from fields that are defined for light pen
operations. Ask your supervisor to tell you which fields on the screens you use are set up
for light pen selection.
Do the following to select an item with the light pen:
• Press the light pen to the screen on the field you want to select.
• If you’ve turned on the Light Pen clicker, a click sounds when the field is selected.
• If the field is preceded by ?, the ? changes to > when the field is selected.
• If the field is preceded by &, processing begins as soon as you select the item.
If necessary, complete the selection by pressing a keyboard key (for example, Enter) or
perform an additional light pen selection (like pointing to an End command).