Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 477)

MicroLogix 1000 and PLC-500 A.I. Series Software Reference
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[F9] Adrmode toggle the display to show either addresses or symbols. (In
symbol mode, addresses will still show for those that have no
symbol defined.)
Note : Address descriptions cannot be
displayed on custom display screens .
9. Repeat these steps until all of the desired cells have been filled.
10. When you are finished with the custom data screen, press [Esc] to exit.
11. You will be prompted to save the screen. Press [F1] Yes .
12. The screen will switch to the monitor mode automatically and all cells refresh,
showing current data values.
If you are using a high resolution video mode, the option [F7] Dualscr will be
available on this screen.