Checkline DFX-7 - Manual (Page 119)

DFX-7
Ultrasonic Flaw Detector
115
Setting the Differential Value
1) Assuming DIFFERENTIAL has been enabled and a value is being displayed
to the right of the DIFFERENTIAL label, press the ENTER key to display the
Digits Edit Box.
2) Press the UP and DOWN arrow keys to scroll the highlighted value.
3) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
4) Repeat steps 2 & 3 until the DIFFERENTIAL value is correctly displayed.
5) Press the OK key to set the DIFFERENTIAL value and return to the menu
screen.
6) Finally, press the MEAS key to return to the measurement screen and begin
taking readings.
10.5 Brightness
The DFX-7 is equipped with a brightness feature to adjust the display visibility and
optimize battery life. It has an arbitrary scale with a values from 1-20, with 20
representing the brightest setting. The procedures for adjusting the brightness are
outlined below: