The Visible Satellites screen is accessed from the satellite information menu, as shown in the image below.

By clicking the button , the following screen is presented.

The table presents four pieces of information for each satellite, as described in the table below.

Given away description
PRN Name that identifies the satellite in the constellation.
SNR Signal-to-noise ratio of the satellite signal. The higher the value, the better the signal reception is.
AZ Azimuth. It represents the angle in relation to the north, clockwise, at which the satellite is positioned in the sky. Value between 0 and 360 degrees.
EL Elevation. Represents the angle of the satellite’s elevation in the sky in relation to the horizon (0 degrees) to the zenith (90 degrees)).