Siemens SENTRON PAC4220 Manual page 76

Operation
6.2 Special displays
3. The following harmonic displays are available on the device display:
– Harmonic UL-N
– Harmonic UL-L
– Harmonic I
4. You can call the following additional functions using the F1 key
– Max values
– Delete max values
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Equipment Manual, L1V30827278B-01
PAC4220