Sangean WFT-1Di Manual page 34

Secondary service - a Digital Radio (DAB plus)
Some radio stations have one or more secondary services associated
with them. Typically they are not broadcasting continually. If a station
has a secondary services, the secondary services will appear in the list
of radio station names beneath the main (or primary) station.
● Rotate the Turning knob to scroll through the list and press on it to
select the station.
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Display modes - Digital Radio (DAB plus)
Your radio has 5 display options when in Digital Radio (DAB plus)
mode.
● Press the INFO button to cycle through the different display options.
a. Frequency:
Displays the frequency of Digital Radio (DAB plus) of the station
listened to.
b. Signal strength and Signal error:
Displays a graphic showing the signal strength and the signal error
for the station been received.
c. Bit rate, Codec and Channels:
Displays the digital bit rate, decode method and channels of the station
been listened to.
d. Date:
Displays the current date.
e. Scrolling text:
Displays the text provided by the station been listened to. If the station
doesn't provide the text, the display will show "Playing".