Sony STR-DE975 Operating Instructions Manual page 44

You can tune in stations on this receiver in the following
ways:
Direct Tuning
You can enter a frequency of the station you want directly
by using the numeric buttons on the remote (see page 46).
Automatic Tuning
If you don't know the frequency of the station you want,
you can let the receiver scan all available stations in your
area (see page 46).
Preset Tuning
After you have tuned in stations using Direct Tuning or
Automatic Tuning, you can preset them to the receiver
(see page 47). Then you can tune in any of the stations
directly by entering its Z-character code (see page 47). Up
to 30 FM or AM stations can be preset. The receiver will
also scan all the stations that you have preset (see page
47).
Before you begin, make sure you have:
l
Connected an FM and AM antenna to the receiver (see
page 5).