Tektronix DPO4000 Manual de usuario descargar pdf (Pagina 248)

100

101

Commands Listed in Alphabetical Order

If the mes sage e

xceeds the limits of the message box, either horizontally or

vertically, the portion of the message that exceeds the limits will not be displayed.

The message string itself is not altere d. The entire message can be returned as a

query response regardless of what is displayed in the message box.

The message is left-justiﬁed, and is displayed on a single line starting with the

topmostlineinthewindow.Anewlinecharactercanbeembeddedinthestring

to position the message on multiple lines. You can also use white space and tab

characters to position the message within a line. Text which does not ﬁt w ithin

the mes sage box is truncated. Deﬁning a message box text string erases a ny

previously displayed text within the message box.

You can send a tab by transmitting a tab character (\t or \x09) followed characters

representing the most signiﬁcant eight bits followed by signiﬁcant eight bits of a

16-bit number. The number speciﬁes the position relative to the left margin of

the message area. For example, to tab send TAB (\t or \x09), NUL (decimal 0),

and CR (decimal 13).

For example, using hexadecimal escape sequences, MESSAGE:SHOW

’\x09\x01\x17Hello’ when sent as a command would cause the ’Hello’ to be

displayed starting at pixel position 279 relative to the left margin set by the

MESSAGE:BOX command. If you want to display characters s tarting at position

279, then 279 = 0x0117; split the h exadecimal number into two characters 0x01

and 0x17 and send \x09\x01\x17.

Special characters which control decoration are two character sequences where the

ﬁrst character is an escape (0x1b) and the second charac t er is as described below.

Bit 7 0

Bit 6

If set, inverse video is toggled from current state and the following text

is displayed in the new inverse state until the state is toggled again.

Remaining bits are ignored

Bit 5

If set, the color index in the four LSB’s (bits 0 through 3) is applied to

the foreground or background color depending on the fg//jointfilesconvert/524181/bg bit (bit 4).

Bit 4

If set, color change is applied to the background, otherwise applies to

the foreground.

Bit 0 – 3

Speciﬁes the color index (0 through 15) to change color as speciﬁed

below:

Index 0

Black (background)

Index 1

Yellow (Ch 1)

Index 2

Cyan (Ch 2)

Index 3

Magenta (Ch 3)

Index 4

Green (Ch 4)

Index 5

Red (math)

Index 6

White (reference)

Index 7

Orange

Index 8

Gray (Graticule)

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Tektronix DPO4000 Manual de usuario Pagina 248

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