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8.2.6 Manual measurement
This feature allows user to make fine adjustment of RANGE, GAIN, DELAY,
GATE, BLANK, and E‐BLANK manually in A‐SCAN mode. They can be set
through toggle the HOT MENUS what is displayed at the lower left side of
the screen.
And once the above mentioned parameters are set, it will remain the same
for B‐SCAN and DIGITS display.
Range
The range refers to the overall viewable range being displayed on the
screen. Make change the range of display, shorten or enlarge it, finally
serve User conveniently.
The following steps outline how to enable and adjust the RANGE.
1) Press
once to illuminate RANGE.
2) Use keys
adjustment)to adjust value.
Gate
GATE is used in both T‐E and E‐E modes. The purpose of GATE is to force
DC‐5000 to measure the useful echo wave.
The following steps outline how to enable and adjust the GATE.
This red line is
GATE
1) Press
once to illuminate GATE.
2) Use keys
adjustment)to adjust value.
(+1),
(‐1),
(+1),
(‐1),
(‐coarse adjustment ),
(‐coarse adjustment ),
‐ 22 ‐
(+ coarse
(+ coarse
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