D-Display - Keithley 486 Instruction Manual

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
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
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