Dakota Ultrasonics UMX-2 - Manual (Page 30)

UMX-2 Underwater Material & Coating Thickness Gauge
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zero is being performed, the UMX-2 will put the gauge into pulse-echo mode
automatically before performing the zero. Both zero options are broken down again
as follows:
The UMX-2 is equipped with two zero options:
1) Off Block Zero (Automatic Probe Zero) – When this feature is enabled the
UMX-2 will do an electronic zero automatically, eliminating the need for a zero
disk or block.
2) On Block Zero (Manual Probe Zero) – When this feature is enabled the
transducer must be placed on the probe zero disk located on the bottom end
cap.
Both zero procedures are outlined as follows:
Performing an Auto Probe Zero (Off Block)
1) Be sure all couplant has been removed from the face of the transducer.
2) Press and hold the single UMX-2 button, located on the top end cap, until
the top level menu options begin scrolling on the alpha display. Once this
occurs, the button can now be released. The menu options will scroll one to
the next in a time delayed sequence, and will display all the menu options in
a continuous loop.
3) When ZERO is displayed, immediately press and release the button to enter
the sub menu options . Again, the options will begin scrolling in a continuous
loop.
4) When AUTO is displayed, immediately p ress and release the button to
perform the auto zero.