Sony DRC-BT30 Operating Instructions Manual page 16

Tip
Depending on the Bluetooth device, the fast-
forward or fast-rewind operation can be
done by performing the following
procedures on this unit.
1
Press and hold the POWER
button for about  seconds to
turn off the unit.

Press and hold the POWER
button and jog switch ()
for about 7 seconds. The
indicator (blue) flashes once.
The setting can be released by
repeating the above
procedures. At this time, the
indicator (blue) flashes twice.
Note
You cannot adjust the volume of the
Bluetooth device by pushing the jog switch of
this unit up or down.
16
US