Tri-Americas TracVision M7, Installation Manual

8

c.

Connect the RF1 and RF2 cables to their 

corresponding connectors on the Tri-

Americas LNB (Figure 16). 

d. If you are replacing a linear quad-output 

LNB

, apply rubber caps over the connectors 

of the unused RF3 and RF4 cables to protect 

their center conductors (see Figure 16).

e. If the antenna has a serial number later than 

080201076: 

Using a 2 mm allen hex key, 

loosen the two M4 socket set screws securing 

the current LNB to the reflector (see 

Figure 17).

If your antenna has a serial number earlier 

than 080201077

, loosen the two wing screws 

securing the current LNB to the reflector (see 

Figure 18).

f.

Remove the old LNB.

g.

Insert the new Tri-Americas LNB fully into 

the choke feed with the connectors aligned to 

the left, as shown in Figure 19 on page 9. 

h. If the antenna has a serial number later than 

080201076: 

Tighten the two M4 socket set 

screws to secure the LNB in place. Apply 

9 in-lbs (1 Nm) of torque, if possible.

If your antenna has a serial number earlier 

than 080201077: 

Tighten the wing screws to 

secure the LNB in place.

Connector

Caps

RF2

RF1

RF3 & RF4

Cables

Figure 16:  Tri-Americas LNB RF Connectors

M4 Socket

Set Screws

Reflector

LNB

Figure 17:  LNB Retaining Screws, Newer Antenna

Figure 18:  LNB Retaining Screws, Older Antenna

Wing

Screws

Reflector

Orient the Tri-Americas LNB so that its RF 

cable connectors are pointing 90° to the left. 

The LNB must be positioned in this manner 

to ensure proper operation.

IMPORTANT!

Continued 

Installing the Tri-Americas LNB