Checkline DFX-7 - Manual (Page 92)

Dakota Ultrasonics
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4) Once the desired Pulser Voltage is displayed, press the MEAS key to
return to the measurement screen.
10.14 Screen Update (Refresh)
The DFX-7 has a maximum screen redraw rate of 120Hz. While it’s extremely fast
for a digital flaw detector, it also requires additional power as it draws more current.
As a result, we’ve opted to include an option to toggle between 60Hz and 120Hz in
order to provide the user the option to conserve on battery life. The procedure to
toggle this option is outlined below:
Selecting the Refresh
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 PRB menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until SCREEN UPDATE is highlighted.
3) Use the LEFT and RIGHT arrow keys to toggle 60Hz or 120Hz.
4) Once the desired SCREEN UPDATE is displayed, press the MEAS key to
return to the measurement screen.