NF DP420LS Instruction Manual page 167

4. Advanced Operation
 Cable connection for remote sensing
WARNING
 Before connecting the cable, turn off this product including its peripherals.
CAUTION
 Pay attention to the withstand voltage of the cable to be connected.
 Do not connect anything to the terminals that are not used.
 Do not input a signal having a different electric potential from the output terminal (e.g. the
signal at the secondary side of transformer) into the sensing input terminal.
Connect the sensing input terminal to the output voltage detecting end (e.g. load end) using a cable.
 Turning on/off Remote sensing function
1. Press the [Measure] soft-key, then select [2: Measure].
2. Use the [Rmt Sense] item to turn on, off, or FB, if necessary.
148 PROGRAMMABLE AC POWER SOURCE