6-92
6.7.3. Finely Adjusting the Direction
Step 1: Horizontal direction
As shown in Figure 6-36, loosen the hexagonal socket head bolts (a) and (b) securing the
mounting bracket and swing the antenna left or right. Adjust the antenna direction so that the
receive level indicates the maximum value, and finger-tighten the bolts (a) and (b).
Step 2: Vertical direction
As shown in Figure 6-37, loosen the hexagonal socket head bolts (c), (d), and (e) securing the
mounting bracket and tilt the antenna up or down. Adjust the antenna direction so that the
receive level indicates the maximum value. Tighten the bolts at a point showing the maximum
receive level (tightening torque: 8.5N•m). Tighten the bolts (c), (d), and (e) and make sure that
the point showing the maximum receive level is maintained. This concludes the procedure for
vertical-direction adjustment.
Step 3: Horizontal direction
Finely adjust the horizontal direction by slightly loosening the bolts (a) and (b) again. Once
again, locate the point where the receive level reaches the maximum value and hold that point.
Finally, tighten the bolts (a) and (b) (tightening torque: 8.5N•m) while making sure that the
point showing the maximum receive level is maintained. This concludes the procedure for
horizontal-direction adjustment.
The figures show examples of horizontal polarization setup.
Figure 6-36 Finely Adjusting the Horizontal Direction
Figure 6-37 Finely Adjusting the Vertical Direction
(a)
(b)
(d)
(c)
(e)
Note :
When adjusting the antenna direction
When adjusting the direction, you might mistakenly take the antenna's side lobe as
the maximum receive level. For fine adjustment, therefore, you should move the
antenna some more after the receive level has reached the maximum value to make
sure that you have not caught a side lobe.
Summary of Contents for NT337-XL2
Page 1: ...0 JRC FWA SYSTEM INSTRUCTION MANUAL Rev 3 4 24 SEP 2008...
Page 34: ...2 11 2 2 1 2 AP RFU Omni Antenna Mounting Bracket in mm Figure 2 3 Mounting Bracket...
Page 37: ...2 14 2 2 2 2 AP RFU Sectoral Horn Antenna Mounting Bracket in mm Figure 2 6 Mounting Bracket...
Page 38: ...2 15 2 2 3 AP IFU in mm Figure 2 7 External View of the AP IFU a...
Page 39: ...2 16 2 2 3 1 AP IFU Nameplate Nameplate a in mm Figure 2 8 Nameplate 1 Blank non RoHS R RoHS 1...
Page 40: ...2 17 2 2 4 WT in mm Figure 2 9 External View of the WT 60 a b c 61 190 190 d...
Page 43: ...2 20 2 2 5 WT External Antenna Figure 2 12 External View of the WT External Antenna...
Page 137: ...7 114 Figure 7 2 Configure the WT master Step1 Step4 Step3 Step2 Step5 Step6...
Page 187: ...11 164 JRC FWA SYSTEM Instruction Manual H 7YZCM0101B Rev 3 4 24 SEP 2008...
