JRC NTG337-EL0 Instruction Manual page 149

After inserting the guide pin of the WT into the guide hole, presses the WT to the plate.
While you are pressing the WT, you must be tightening the four M5 screws. (Figure 7-26)
Tightening torque：265 N･cm
Ｅ Ｔ Ｈ Ｅ Ｒ
2) H(orizontal) polarization
When using H polarization, the guide pin of the WT should be rotated to the right and inserted into the H
guide hole of the plate. (Figure 7-27 & Figure 7-28)
Figure 7-27
Plate
M5 screws
Ｗ Ｔ ＥＬ ２
Guide pin
Figure 7-26
7-126
Plate
H guide hole
Figure 7-28