Omron NT20M - Manual (Page 84)

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Screen Attribute Displays After the settings have been made, their contents will be displayed in the sta-
tus column on the screen listing as letters of the alphabet.
B Buzzer: Buzz or Beep
C History: Yes
D Bit Input: On
E Alarm: On
F Keypad: User
G Extended functions (Backlight color or
backlight operation): Displayed for the
NT20M-DT131/DN131
2-13 Screen Check
When continuous or overlapping screens are received from the PT as a
single screen, there is a chance that screen errors may occur in these files.
Check to see whether such errors have occurred. You can print out the con-
tents of this check.
Screen Errors If a screen that has been designated as a child screen for continuous or
overlapping screens is subsequently designated as a parent screen for
Screen Check Section 2-13