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4.3 Measurement of Harmonic Current 3. Press the the ENTER or key to move the cursor to the harmonic order to be displayed, then press key. CANCEL ENTER When HC1 to HC4 have been selected as the displayed measurements, the following harmonic current measured values are displayed. The displayed harmonic order (XXth) changes according to these ranges, and 10 lines of measurement data are displayed in each range. HC1: 1st to 10th HC2: 11th to 20th HC3: 21st to 30th HC4: 31st to 40th The displayed harmonic order (XXth) changes according to these ranges, and 10 lines of measurement data are displayed in each range. Figure 4-4. Example of Harmonic Measurement Window Display 4. Press the 5. Press the or CANCEL key to switch the HC1, HC2, HC3, and HC4 screens. key to end harmonic measurement and return to the TOP MENU (normal display). 4-20 APS-1102 Programmable AC/DC Power Source