2: General operation Model 2461 Interactive SourceMeter® Instrument
2-12 2461-901-01 A/November 2015
To adjust the backlight using TSP commands:
Send the following command:
display.lightstate = brightness
Where brightness is one of the following options:
• Full brightness: display.STATE_LCD_100
• 75 % brightness: display.STATE_LCD_75
• 50 % brightness: display.STATE_LCD_50
• 25 % brightness: display.STATE_LCD_25
• Display off: display.STATE_LCD_OFF
• Display, key lights, and all indicators off: display.STATE_BLACKOUT
Event messages
During operation and programming, front-panel messages may be briefly displayed. Messages are
information, warning, or error notifications. For information on event messages, refer to Using the
event log (on page 2-142).
Figure 6: Example front-panel error message
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