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Operation Modes and the System Menu Section 6-3
• At the same as the System Menu is displayed, the operation of the
NT631/NT631C stops and the RUN LED goes OFF.
Touching The Corners of The Touch Panel
When two of the four corners of the touch panel (see the figure below) are
touched simultaneously, the System Menu is displayed.
Note that the touch switches used to call the System Menu are not displayed
at corners on the screen. If a touch switch displayed in a corner is pressed
first, the touch switch will function and the System Menu will not be displayed.
Especially, when the touch switch has switch screen function, as a result of
screen switch over, it means the corner is not pressed even if it is kept press-
ing. To successfully call the System Menu, first press a corner where no touch
switch is displayed, and then press any other corner regardless of the pres-
ence of a touch switch.
Reference: With the NT631/NT631C, the System Menu can be displayed even if the
screen has touch switches registered at all four corners.
Pressing a Touch Switch That Displays The System Menu
There is a control key that has the function of displaying the System Menu.
By registering the touch switch for System Menu display ([MENU]) on a
screen when creating it, the System Menu can be displayed just by pressing
this switch.
Calling the System
Installer Mode
If the NT631/NT631C has no system program installed, or if the system pro-
gram is destroyed, the System Installer mode is automatically established
when the power is switched ON.
To establish the System Installer mode in order to install a system program or
make settings for data management, either turn the power ON, or reset the
NT631/NT631C, while pressing the touch switch at the top left corner of the
touch panel (size: 7.2 mm
× 7.2 mm).
Selecting Menu Items The menu items in the System Menu are displayed on the NT631/NT631C
screen as touch switches. Menu items can be selected simply by pressing
them.
POWER
RUN
RUN mode
[SYSTEM MENU]
Quit
Transmit Mode
Maintenance Mode
Expansion Mode
Press any two of the four
corners at the same time.
POWER
RUN
Switch the power to the NT631/NT631C ON while pressing this touch switch.