D) Key Lock; E) 3.5Mm Connection (Audio Output) Or Internal Loudspeaker - Renkforce MPF337 Bedienungsanleitung

d) Key lock

Keep the "EQ" button depressed for approx. 1 second until a padlock icon appears on the
display. Now all keys are without function.
To cancel the key lock, press the "EQ" button again for approx. 1 second until the padlock icon
disappears again.

e) 3.5mm connection (audio output) or internal loudspeaker

The multimedia player has a small integrated loudspeaker.
The loudspeaker will be switched off automatically if earphones or headphones are connected
to the 3.5 mm output jack.
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Please note that the cable of the connected earphone/headphone is used as
an antenna during radio operation.
Radio reception without earphones/headphones is not possible thus.
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Operating Instructions
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