Chauvin Arnoux C.A 6609 Manual De Instrucciones página 21

English
Warning: the wrong direction of rotation may be displayed if a
lead is connected by mistake to the neutral of the network.
The table below (reproduced on the back of the instrument)
summarizes the various display possibilities.
Caution: Phasis lights L1, L2, L3 can be off if voltage is too low
(see § 3 introduction).
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