Eton 9120 - Manual (Page 19)

Using External AM Antennas (P´9121, P´9125, P´9127,
P´9128 only)
[17.1]
External AM antennas can be plugged into the ‘AM Ant.’
socket on the back of the radio [17.1]. This socket utilizes
a mono 3.5 mm [1/8th inch] plug. For best results, the
antenna should be positioned away from metal objects and
the power supply of the radio.
Auto−Tuning FM, AM or SW (P´9121, P´9125, P´9127,
P´9128 only)
[18.1] [18.2]
Turn on the radio, select FM, AM or SW with the MODE but-
tons and press ENTER [18.1], or tune with the band selector
knob. Auto−tune UP or DOWN frequency with a quick press of
the UP or DOWN buttons. Auto−tuning automatically stops on
the next available frequency with a station [18.2]. Auto−tune
can be stopped by pressing the ENTER button.