NF DP420LS Instruction Manual page 158

-------- Notes ------------------------------------------------------------------------------------------------------------
 When the data is copied to the USB memory, any existing file with the same name in the
NF_TOOL\NF_DP\ARB_DATA folder is overwritten. No overwrite confirmation message is
displayed.
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 Clearing, erasing, or renaming an Arbitrary Waveform Memory
1. In the Memory View, select [ARB Copy].
2. In the [Direction] item, select the object to operate.
SYS  USB: Selects the internal memory as the target of the operation.
USB  SYS: Selects the USB memory as the target of the operation.
DP420LS/DP480LS
4.8 Using Memory Function
139