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3-5SectionUsing a Memory Unit (-Vj Versions)
42
In this mode, system program or the screen data in the NT31/NT31C is forcibly
written to the memory unit irrespective of the setting status of the NT31/NT31C.
This mode is convenient if the touch panel is broken and touch switch operation
is not possible, or if someone unfamiliar with touch switch operation at the opera-
tion site is using the system.
Reference: When screen data is written to the memory unit, the data that has been stored in
the specified area up until that point is lost (if the data is written into only one
Bank, the other Bank will not be affected).
Method of Execution
Use the following procedure to write the screen data in the NT31/NT31C to the
memory unit by automatic transmission.
1, 2, 3... 1. Check that the power supply to the NT31/NT31C is OFF, then set the DIP
switches of the memory unit as follows after installing memory unit to
NT31/NT31C.
SW1
SW1-4 ON: System program
OFF: Screen data
SW2-3 ON: Bank 1
OFF: Bank 0
SW2-4 ON: System/Screen transmitted simultaneously
OFF: System/Screen not transmitted simultaneously
SW2
It is not strictly necessary to set SW2-1 to OFF (to disable writing to the PT),
but it is recommended to do so to avoid loss of data in the event of operating
errors.
Reference: S Setting SW2-4 to ON (System/Screen transmitted simultaneously) disables
the setting of SW1-4.
S Setting SW2-4 to ON (System/Screen transmitted simultaneously) disables
the setting of SW2-3, writes the system program into bank 0, and the screen
data into bank 1 at all times.
2. Switch the NT31/NT31C power ON.
The screen data is automatically written into the memory unit. The screen
data in the NT31/NT31C is preserved.
The messages Preparing, Transmitting, Verifying, and Finished are dis-
played on the screen in accordance with the progress of data writing.
At the same time, the progress of the data writing status is displayed by the
means of the number of bytes and blocks (1 bank = 16 block = 1024k byte).
RUN LED operates as follows according to the processing status.
Preparing : flashes at intervals of 1 second
Transmitting : flashes at intervals of 0.5 second
Verifying : flashes at intervals of 0.5 second
Finished : lights up
3. Switch the NT31/NT31C power OFF, remove the memory unit.
To operate NT31/NT31C continuously, switch the NT31/NT31C power back
ON.
Writing Screen Data to a
Memory Unit Using
Automatic Transmission
(PT to Memory Unit)