PK202-25 Matrix Orbital, PK202-25 Datasheet - Page 21

• Manufacturer Part Number: PK202-25
• Description: LCD Character Display Modules Black Background Yel/Grn Text
• Manufacturer: Matrix Orbital
• Series: PK202-25r

Specifications of PK202-25

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Background Color: Black
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

fonts.
3.3 Writing Text to the Display
next character sent to the module then advances to the following position on the display. Characters are
drawn using the built in font, and only characters defined in the font are actually displayed. Characters
that are not defined by the built in font print as a space (i.e., the cursor is advanced for the next character).
The position where text is to be inserted is a character location stored in the display’s volatile memory and
maintained internally by the display’s firmware. This position is manipulated by the commands shown in
the following section.
3.4 Text Commands
are given in the summary. Some commands, marked with an “R”, may be "Remembered" to set new defaults
that will be in effect each time the unit is powered on. When “remember” is set/turned on, these commands
are automatically remembered to take effect each time the unit is powered on, therefore there is no need to
send the save function.
3.4.1 Auto line wrap on (254 67) (R)
middle of a word.
3.4.2 Auto line wrap off (254 68) (R)
3.4.3 Auto scroll on (254 81) (R)
a new line of text when the text reaches the scroll position (the bottom right character position).
3.4.4 Auto scroll off (254 82) (R)
the display area is not erased before new text is placed. A series of ‘spaces’ followed by a “Cursor home”
command may be used to erase the top line of text.
Matrix Orbital
When the display receives a character, it displays that character at the position currently defined. The
In this section commands are identified by their names and decimal values. Hex and ASCII equivalents
Enables automatic line wrapping. Note that this is not ’word wrapping’ and wraps may occur in the
Disables automatic line wrapping. Characters beyond the end of a line will be lost.
When auto scrolling is on it causes the display to shift the entire display’s contents up to make room for
When auto scrolling is disabled, text will wrap to the top left corner of the display area. Existing text in
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