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5 - 18 FUNCTION REFERENCE
Key sequence:
CONFIDENCE CHECK
Description:
After turning the oscilloscope on, a confidence check starts automatically. The
following is tested in sequence:
- The instrument’s internal control bus.
- The communication between front panel and internal microprocessor.
- The settings in the memory (with backup batteries installed only).
- Interface to digitizer circuitry.
The selftest takes less than a second. A message appears on the screen when
errors are found.
The settings stored in memory become active with backup batteries installed.
These are the same settings present when the instrument was last switched off.
With no batteries present, the standard default setting ’std’ is activated. Refer to
STANDARD SETUPS for details.
Key sequence:
Toggle key to switch the oscilloscope on/off. Starts
confidence check
RECALL
TRACK
ON
DISPLAY
trace
register
ST6557
9303
on
off
Key to switch a channel ON or OFF.
Control to select a register or a trace to be recalled
from memory.
Toggle softkey to turn the display of the selected
trace or register ON or OFF.
Toggle softkey to deselect traces or deselect registers.
POWER ON OFF