Red Activity LEDs
Each section with a microprocessor has a red ACTIV-
ITY LED; these include the CPU, the IEEE-488 Inter-
face section, and the Front Panel section. During normal
operation, the ACTIVITY LEDs flash about once per
second to indicate that the processor is running. A
steady on or off ACTIVITY LED indicates a serious fail-
ure. Continuous rapid flashing of the CPU ACTIVITY
MAIN CONSOLE
BOARD
STRAIN BOARD
(When Installed)
IEEE-488
BOARD (When
Installed)
Figure 8-1. Rear Panel Indicators
Rear Panel Indicators M10-94400-1
8-12
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