Delphi SA10116-11B1 - Manual (Page 17)

Your repeater antenna is designed to stand vertically in the provided
holder and should be placed on a horizontal surface near your satellite
radio receiver.
Adjusting the Transmitter Antenna
To ensure the strongest signal is being transmitted to your repeater
antenna, adjust the transmitter’s antenna as shown in figure 4. It is
recommended you start with the antenna in a vertical position, then
adjust it accordingly.
Figure 4.
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