Dakota Ultrasonics MMX-7 - Manual (Page 15)

MMX-7 Data Logging Ultrasonic Thickness Gauge
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4) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
5) Repeat steps 3 & 4 until the B-ST or B-DEP value is correctly displayed.
6) Press the OK key to set the B-ST and B-DEP value and return to the
measure screen, or ESC to cancel entering the B-ST or B-DEP value.
7) Finally, press the MEAS key to return to the measurement screen and begin
taking readings.
Note: The B-ST & B-DEP can also be adjusted from the menu tab items.
However, using the hot menu keys is the easiest method.
DIGITS B-SCAN
In the upper left corner of each of the mode photos above, is the repeatability
indicator. The repeatability indicator is represented by six vertical bars and
represents how repeatable the measurements are. In regular measurement mode,
the MMX-7 makes 4 measurements a second. In scan mode, the MMX-7 makes 32
measurements a second. When the MMX-7 is idle, only the left vertical bar and the
underline will be displayed. However, when the MMX-7 is making a measurement,
five or six of the bars should be displayed on the repeatability indicator. If fewer than
five bars are showing, the MMX-7 is having difficulty achieving a stable measurement
and the thickness value displayed is potentially be unstable.