Ametek BROOKFIELD DVPlus Operating Instructions Manual page 28

Select the desired Firmware version from the USB Drive.
DVPlus will have you confirm your choice.
M21-400 REV.1.1
Figure 2-9.16
Figure 2-9.17
D V P L U S D I G I TA L V I S C O M E T E R - O P E R AT I O N A L M A N U A L 28