NF DP420LS Instruction Manual page 92

4.2 Using Sequence Function
3. You can select s or ms as the unit of Step Time by selecting [Misc] soft-key  [1: TimeUnit].
4. You can set polarity of trigger output and pulse width by selecting [Misc] soft-key  [2: Trig
Out].
DP420LS/DP480LS
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