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6-5SectionOperations in the System Installer Mode
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6-5-3 Changing the System Settings
The NT31/NT31C allows the following settings to be made to prevent the screen
data and memory switch settings from being changed or deleted by operating
errors.
Disabling/enabling System Menu Display
When System Menu display is disabled by this setting, the System Menu cannot
be displayed by touch panel operations or by using the touch switches. Howev-
er, if a error occurs, the System Menu can be displayed from the error message
screen.
Disabling/enabling Writing to The Screen Data Memory
When writing to the screen data memory is disabled by this setting, it is impossi-
ble to use the following System Menu functions.
• Switching to the Transmit mode
• Displaying the memory switch setting screens
• Checking the screen data memory
• Displaying the initialization menu
• Displaying the calendar/time setting screen (the calendar/time display screen
can be displayed)
Change the system settings by following the menu operation from the System
Installer mode menu shown below.
Select Change System Settings.
Select Display System Menu or Screen
Memory Protect.
Each time either of these items is selected,
the setting switches from Disabled to En-
abled or vice versa.
Select OK.
The settings are written to the NT31/NT31C
while the screen is displayed.
• If Cancel is selected, the NT31/NT31C returns to the System Installer mode
menu without changing the settings. The settings remain as they were before
the operation was started.