Omron NV Series Setup Manual page 115

Section 5-2
Self-diagnosis from the System Menu
Description of Function
Test (Self-diagnosis) Screen
The names of the items that were checked by the NV3W are displayed in inverse
video on the Test Screen. A check mark is displayed to the left of the key switch
for each item that was checked by the NV3W-V1, NV4W or NV3Q. (The check
marks will be cleared when returning to the startup screen of the System Menu.)
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