Matrix-orbital VFD2041 Legacy Bedienungsanleitung PDF herunterladen (Seite 26)

This gives rise to the possibility of confusion when parameters are being set on the display. For example,

the GPO ON and OFF commands use a number to indicate which GPO is being controlled. We’re told that

acceptable values are 0 to 8. All such parameters must use numeric values (i.e., the actual byte values). If

we send the ASCII number 0 by mistake it will actually give the value 48 decimal (30 hex) to the parameter,

which is wrong.

In the tables given in the following sections ASCII characters are shown as ’A’, with single quotes.

6.4 Text Commands

Syntax in the tables below is given in hex, decimal and decimal with ASCII, in that order, one per line.

Table 13: Text Commands

Command Syntax Default Notes

Auto line wrap on FE 43

254 67

254’C’

off Enables line

wrapping (not

word wrap).

Auto line wrap off FE 44

254 68

254 ’D’

off Disables line

wrapping.

Auto scroll on FE 51

254 81

254 ’Q’

off Enables scroll at

bottom of screen.

Text will push

display up one

line to make room

for new line.

Auto scroll off FE 52

254 82

254 ’R’

off Disables auto

scroll. Text will

wrap to top left

and overwrite

existing text.

Set cursor position FE 47 [col][row]

254 71 [col][row]

254 ’G’ [col][row]

n/a Moves cursor

to the speciﬁed

column and row.

The cursor marks

the text insertion

point in this and

all commands.

Send cursor home FE 48

254 72

254 ’H’

n/a This command

moves the cursor

to the top left of

the display area.

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