Dakota Ultrasonics DFX-8 plus MANUAL2 - Manual (Page 121)

DFX-8
Ultrasonic Thickness Gauge
117
Alternatively, press the LEFT and RIGHT arrow keys multiple times
using the left button wheel.
2) Use the UP and DOWN arrow keys multiple times using the left button
wheel to scroll through the sub menu items until DIFFERENTIAL is
highlighted.
3) Use the LEFT and RIGHT arrow keys multiple times on the right button
wheel to toggle the DIFFERENTIAL on. A value will appear to the right of
DIFFERENTIAL.
4) Continue on to the next section “Setting the Differential Value”.