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SECTION 4

IEEE-488 Reference

4.2.4 D

- Display

Purpose

Format

Parameters

Description

Programming

Notes

Programming

Examples

To display messages on the front panel.

Da Display characters “a”, where “a” represents printable ASCII characters.

D Return display to normal operation.

Upon power-up, or after receiving a DCL or SDC command, the display returns to normal op

eratim.

TheDco

mmand allows you to display messages on the front panel. Up to 18 characters,includ-

ing blanks, can be sent by simply following the D

comman

d with ASCII characters. Characters

that can be displayed include; O-9, A-Z (except uppercase X), arithmetic and most punctuation

symbols.

1. Spaces in a message are displayed as blanks.

2. Sending a message that exceeds 18 characters will result with only the first 18 characters

being displayed. The extra characters will be ignored.

3. For messages that are lees than 18 character in length, the characters are left-hand justified

and the rest of the display is blank.

4. Pressing LOCAL on the front panel will cancel the message and rehrn the instrument to

the normal display state.

OuTpuT 722; “D MODEL 486X”

! Display “MODEL 486”.

OUTPUT 722; ‘JDY

! Return display to normaL

Keithley 486 User Manual

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