KVH Industries TracVision TV5, Installation Manual

Page: 33 / 46

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Follow these steps to set the antenna’s LNB to the
skew angle supplied by the Setup Wizard.
a. At the rear panel of the TV-Hub, set the
power switch to the Off position. Verify its
Power light goes out.
b. Remove the antenna’s radome as described
on page 9 .
c. Locate the LNB on the back of the antenna’s
reflector (see Figure 52).
d. Using a 2 mm Allen hex key, loosen the two
M4 set screws securing the LNB to the choke
feed (see Figure 53).
e. Adjust the LNB, clockwise or counter-
clockwise, until the skew arrow on the LNB
points to the correct skew angle you noted
when running the Setup Wizard (see
Figure 54).
f. Tighten the two M4 socket set screws to
secure the LNB in place. Apply 11 in-lbs
(1.2 N-m) of torque, if possible.
g. Reinstall the radome.
CAUTION
Disconnect power from the antenna before
you remove the radome. The antenna has
moving parts that can cause injury.
Figure 52: Location of LNB on Back of Antenna Reflector
Reflector
M4 Socket
Set Screws
Figure 53: Set Screws Securing the LNB to the Reflector
0˚ Skew
Positive
Skews Negative
Skews
0 10 20
40
50
70
80
30
90
60
50
10
20
30
40
60
70
80
90
5
5
15
15
25
35
45
25
35
45
55
65
75
85
55
65
75
85
LNB
Choke Feed
LNB*
*actual LNB not shown
SKEW
ADJUSMENT
Figure 54: LNB Skew Angle Adjustment
Make sure the LNB is fully inserted into the
choke feed to ensure optimum performance.
IMPORTANT!
Set the LNB Skew Angle
19
Linear Manual Skew Only