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9.17 Clear display screen, and clear string mode
All the display characters will be cleared, and the string mode will be cancelled.
9.18 Clear current line, and cancel string mode
The current line is cleared, and the string mode is cancelled.
9.19 Brightness adjustment
Adjust the brightness of the vacuum fluorescent display.
When n=3,brightness=70%
When n=4,brightness=100%
9.20 Set cursor ON or OFF
When n=0, cursor is OFF
When n=1, cursor is ON
9.21 Set user-defined characters
The n defines the beginning character code, and m defines the ending character code. When only one
character is
defined, use n=m
The ‘a’ denotes the number of dots in the horizontal direction. When a<5, the dot pattern for ‘ a’ on the
right side of the
user-defined characters are padded with spaces p1 .. pa, the dot data is to defined the characters. This
indicates the
dot pattern for /a/ in the horizontal direction from the left side.
9.22 Reset user defined character set
When n=1, user-defined characters are selected. When the user-defined characters are not defined by
the ESC & command, the internal character set will be displayed.
When n=0, user-defined characters are cancelled and the international character set is selected.
9.23 Cancel user defined characters
User-defined characters are cancelled.
This command cancels the defined characters specified by n.
If specified code is transmitted after the pattern is cancelled, the international character will be displayed.
9.24 Store the user defined character into EEPROM
If EEPROM is not supported, this command is ignored.
9.25 Restore the user defined character from EEPROM
If EEPROM is not supported, this command is ignored.