1.3 Names and Functions of Parts
15
Rectifier indicator lamps (p.47)
Harmonic measurement (HARMONICS) lamps (p.71)
CH1, CH2, CH3, and sum lamps
DC AC
When using the AC+DC rectifier, both the DC and AC lamps light
up.
DC AC Umn
When using the AC+DC Umn rectifier, the DC, AC, and Umn
lamps light up.
DC Lights up when using the DC rectifier.
AC Lights up when using the AC rectifier.
FND Lights up when using the FND rectifier.
LEVEL
Lights up when the instrument is displaying a harmonic compo-
nent level (harmonic voltage RMS value, harmonic current RMS
value, or harmonic active power).
HD%
Lights up when the instrument is displaying a harmonic content
percentage (harmonic voltage content percentage, harmonic
current content percentage, or harmonic active power content
percentage).
CH1
Lights up when the instrument is displaying the CH1 measured
value for the selected display parameter.
CH2
Lights up when the instrument is displaying the CH2 measured
value for the selected display parameter.
CH3
Lights up when the instrument is displaying the CH3 measured
value for the selected display parameter.
sum
Lights up when the instrument is displaying the measured value
for the sum of the selected display parameters when using a wir-
ing mode other than 1P2W.
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