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Chapter 1 System Setting
1-12
• Bits 3 and 6, bit 12 (system reserved)
Not used at present. Be sure to enter "0."
• Bit 7 (serial extension I/O)
This bit indicates the state of the serial extension I/O (V-I/O) connected to the
V series. When this bit shows "0," the V-I/O is in normal operating condition;
when it shows "1," there is an error.
• Bit 8 (global macro execution)
This bit indicates the status of bit 8 (global macro execution) in [Read Area]
"n + 1." When the bit in [Read Area] is "1," this bit shows "1"; when it is reset
to "0," it shows "0."
• Bit 9 (printer busy)
This bit indicates the printer status connected to the V series. When this bit
shows "0," the printer is not busy; when it shows "1," it is busy.
• Bit 10 (print data transferring)
When a print command such as screen hard copy, sample print or data sheet
is executed, the print data transferring status is written in this bit. At the start
of print data transfer, this bit changes "0" → "1"; on completion of print data
transfer, it changes "1" → "0."
Data of bits 9 and 10 is output to internal memory address $s16.
For more information on the internal memory ($s), refer to "Appendix 1 Internal
Memory."
• Bit 11 (backlight)
The backlight ON/OFF status is written in these bits. When the backlight of
the V series is turned on, it shows "1,"; when it is turned off, it shows "0."
Even if bit 11 (backlight) in [Read Area] "n + 1" is reset (0: OFF), this bit
shows "1" if the backlight is on.
Data of bit 11 is output to internal memory address $s17.
For more information on the internal memory ($s), refer to "Appendix 1 Internal
Memory."
• Bit 13 (screen internal switching)
This bit indicates the status of bit 13 (screen internal switching) in [Read
Area] "n + 1." When the bit in [Read Area] is "1," this bit shows "1"; when it is
reset to "0," it shows "0."
• Bit 14 (screen forced switching)
This bit indicates the status of bit 14 (screen forced switching) in [Read Area]
"n + 1." When the bit in [Read Area] is "1," this bit shows "1"; when it is reset
to "0," it shows "0."
• Bit 15 (data read refresh)
This bit indicates the status of bit 15 (data read refresh) in [Read Area]
"n + 1." When the bit in [Read Area] is "1," this bit shows "1"; when it is reset
to "0," it shows "0."
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