Telefunken DELTA PRO Bedienungsanleitung Seite 4

Connections and controls
(1) Power button
(5) USB-C charging port
Switching on/off
Switching on: Press and hold the power button (1) for two to three seconds to switch on the DELTA
PRO. You will hear a beep, and the blue LED will start flashing – the device is starting up.
Switching off: Press and hold the power button (1) again for two to three seconds to switch off the
DELTA PRO. The LED will briefly light up red and then switch off – the device is now switched off.
Factory reset
If the speaker no longer responds despite the battery being charged – i.e. it cannot be switched on or
off, or the buttons do not work – you can press the reset button (8) using a pen, toothpick or other
narrow tools. This will switch off the speaker and allow it to be restarted.
Volume control and music control
Press the button (2) briefly to decrease the volume. Press and hold the button for about two seconds
to play the previous track.
Press the button (3) briefly to increase the volume. Press and hold the button for about two seconds
to play the next track.
Music playback and hands-free function
To start or pause music playback, briefly press button (1).
The DELTA PRO can also be used as a hands-free device for your mobile phone.
Button (1) has the following additional functions for this purpose:
Tap once: Accept call
Tap again: Hang up
Press for approx. 2 seconds: Reject call
User manual TELEFUNKEN DELTA PRO
(2) Volume button (quieter)
(6) SD card
(3) Volume button (louder)
(7) LED charging indicator
ENGLISH
(4) AUX-IN port
(8) Reset button
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