perfect pro SOLOWORKER DAB+ BT Mode D'emploi page 13

D) DRC (Dynamic Range Control):
GB
The DRC facility can make quieter sounds easier to hear
when your radio is used in a noisy environment. Use the
Tuning up/down buttonto highlight the required DRC setting
DRC Off: DRC is switched off, broadcast
DRC will be ignored
DRC High: DRC is set as sent by broadcaster.
DRC Low: DRC level is set to / that sent by broadcaster.
Note:
Not all DAB broadcasts are able to use the DRC function. If
the broadcast does not support DRC, then the DRC setting
in the radio will have no effect.
E) Station order:
your radio has 3 station order settings from which you can
choose. The station order settings are as following.
Alphanumeric: sorts the station list alpha-numerically 0...9
A...Z
Ensemble: organizes the station listed by DAB multiplex.
Valid: shows only those stations for which a signal can be
found.
The current setting is indicated by an asterisk.
F) Prune:
If you move to a different part of the country, some of the
stations which were listed may no longer be available. Also,
from time to time, some DAB services may stop broadcasting,
or may change location or frequency. Stations which cannot
be found, or which have not been received for a very long time
are shown in the station list with a question mark.