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INSTRUMENT OPTIONS AND INDICATORS
Additional Note:
The middle portion of the screen, in addition to displaying measurements, is itself sometimes used as an
indicator of sorts; if dashed lines appear, the instrument is ready to take a measurement; if the middle of the
screen is blank, the option has suboptions that can be accessed by pressing Fire.
RIGHT
HD
RIGHT
SYS
F
HD has no subfunctions. The dashes show
where the measurement will display.
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The SYS option has subfunctions; use
the Fire button to enter the subprocedure.
Electronic Copy of LTI’s Impulse User’s Manual 8th Edition © October 1998