Dakota Ultrasonics DFX-7 plus MANUAL2 - Manual (Page 129)

DFX-7
Ultrasonic Thickness Gauge
125
7) If only one limit will be used, press the MEAS key to return to the
measurement screen and begin taking readings. Otherwise, continue on to
set the ALARM HIGH limit using the same procedures.
10.13 Differential Mode
The Differential Mode of the DFX-7 provides the user with the ability to set a
nominal value, according to what the expected thickness should be, and measure the
+/- difference from the nominal value entered. This feature is typically used in QA
incoming inspections on pipes, plate stock, coils, etc. The steps below outline how to
enable and enter the nominal value to use this feature:
Toggle Differential (on/off)
1) 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 UTIL menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until DIFFERENTIAL is highlighted.
3) Use the LEFT and RIGHT arrow keys to toggle the DIFFERENTIAL on. A
value will appear to the right of DIFFERENTIAL.