Agilent Technologies E7473A Getting Started Manual page 22

Loading, Connecting, and Using the Backpack
Connecting the Antenna (86154A, option 425)
6. Screw on the antenna stub that is appropriate for your measurements, and
place the antenna assembly in the top-right, or top-left corner of the
backpack.
7. Insert the foam with the opening toward the back.
8. Attach the antenna cable.
9. Reattach the battery compartment flap to the side of the pack (if it has
become detached), and then slide the entire antenna assembly into the
backpack compartment.
10. Attach the antenna cable to the receiver.
Figure 1-7 Antennas in place in the top portion of the backpack
Repeat the procedure for the second antenna assembly.
24 Agilent Wireless Solutions