Omron Programmable Terminals NT631 Setup Manual page 223

System Maintenance
206
Check the screen data memory by following the menu operation from the Sys-
tem Menu shown below.
Ver 4.12
• During the check, the message Checking Now... is displayed.
• On normal completion of the check, the message Memory Check OK is
displayed.
• If an error is discovered in the check, the message Memory Check NG is
displayed.
Select Maintenance Mode.
Select I/O Check.
Select Device Check.
Select Screen Memory.
Press Execute.
Section 6-11