JRC NTG337-EL0 Instruction Manual page 148

After installing the adaptor
Figure 7-23
3. Attachment of the WT to the antenna
1) V(ertical) polarization
When using the V polarization, the guide pin of the WT should be turned to right above and inserted into
the V guide hole of the plate. (Figure 7-24 & Figure 7-25)
V guide hole
Plate
Guide pin
Ｅ Ｔ Ｈ Ｅ Ｒ
Figure 7-24
V polarization
Figure 7-25
7-125