NF DP060LM, Instruction Manual, Page: 192 / 307

4. Advanced Operation
PROGRAMMABLE AC POWER SOURCE 174
 Operation procedure
1. Turn off the output, and enter the AC mode. Following two methods are available.
(a) Shortcut operation:
＋
Every time you press the keys, the mode is switched to AC, ACDC, and DC in this order.
(b) Press the [Osc] soft-key and select [1:AC/DC]. From the opened menu, select [1: AC].
2. Press the [Osc] soft-key and select [2:Source]. From the opened menu, select [2: VCA].
3. Set the [Freq], [Wave], and [Gain] items.
4. Supply a DC voltage to the external signal input connector.
5. Turn on the output.