BEHA UNITEST Polaris 3 plus Instruction Manual page 31

The direction of the rotary field is indicated.
R
signifies supposed phase L1 is actual phase L1 and
supposed phase L2 is actual phase L2
==> right rotary field
L
signifies supposed phase L1 is actual phase L2 and sup-
posed phase L2 is actual phase L1
==> left rotary field
When re-testing with exchanged test probes, the opposite
symbol must be illuminated.
L2 L3
L1
N
PE
L2 L3
L1
N
PE
31