Akg LC81 MD Reference Lightweight Cardioid Lavalier Microphone (Black) - Manual (Page 88)

MICROLITE MANUAL 88
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8.2.3 Rotating the phase
Jumper
+
+
B
JPhase180
Fig. 41: Phantom power adapter
The signal phase can be rotated by 180° using the phantom power
adapter.
1) Screw the Phillips‑head screw into the phantom adapter's
housing.
2) Remove the housing.
3) Remove the jumper and plug it into only one pin.
4) Put the housing on.
5) Tighten the screws.