Agilent Technologies 4294A Service Manual download pdf (Page 253)

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Chapter 15 253

Setting the Display (LCD)

Sample program for setting the LCD screen

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2. Chapter Title 3. Chapter Title

4. Chapter Title

15. Setting the Display (LCD)

Sample program for setting the LCD screen

Example 15-1 shows a sample program for setting colors for the LCD screen. This

program is saved in the file “color.bas” on the sample program disk.

This program allows you to change the color of the data trace A to green and to increase the

whiteness of colors for the pens 2 to 6 in the Instrument BASIC screen.

Lines 20 to 60 Identifies the external controller and Instrument BASIC and sets the

GPIB address and the select code.

Lines 80 to 90 Substitutes hue of the data trace A and chroma of the pens 2 to 6 in the

Instrument BASIC screen to the variables Trc_a_tint and Pen_clr,

respectively.

Lines 110 to 120 Sets the hue of the data trace A to Trc_a_tint.

Lines 130 to 160 Sets the chroma of the pens 2 to 6 in the Instrument BASIC screen to

Pen_clr.

Example 15-1 Setting Colors in the LCD Screen

10 INTEGER Trc_a_tint,Pen_clr

20 IF SYSTEM$("SYSTEM ID")="HP4294A" THEN

30 ASSIGN @Hp4294a TO 800

40 ELSE

50 ASSIGN @Hp4294a TO 717

60 END IF

70 !

80 Trc_a_tint=33

90 Pen_clr=50

100 !

110 OUTPUT @Hp4294a;"COLO TRAD"

120 OUTPUT @Hp4294a;"TINT ";Trc_a_tint

130 FOR I=2 TO 6

140 OUTPUT @Hp4294a;"COLO PEN"&VAL$(I)

150 OUTPUT @Hp4294a;"COLOR ";Pen_clr

160 NEXT I

170 END

1 2 ... 248 249 250 251 252 253 254 255 256 257 258 ... 517 518

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Agilent Technologies 4294A Service Manual Page 253

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