Dakota Ultrasonics DFX-7 plus MANUAL2 - Manual (Page 22)

Dakota Ultrasonics
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Important Note: In PECT (pulse-echo coating) mode, the coating sample must
be coupled to metal in order to calibrate successfully. Simply place a drop of
couplant on a piece of metal, lay the coating sample over the couplant on the
metal and proceed to step 2.
2) Apply a drop of couplant on the transducer and place the transducer in
steady contact with the coating (on metal) sample or actual test material. Be
sure that the reading is stable and the repeatability indicator, in the top left
corner of the display, is fully lit and stable. Press the MENU key once to
activate the menu items tab. Press the MENU key multiple times to tab right
and the ESC key multiple times to tab left until the CAL menu is highlighted
and displaying the submenu items.
3) Use the UP and DOWN arrow keys to scroll through the sub menu items
until COATING 1PT is highlighted.
4) Press the ENTER key to display the Digits Edit Box.
5) Press the UP and DOWN arrow keys to scroll the highlighted value.
6) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
7) Repeat steps 5 & 6 until the known thickness value is correctly displayed.