Silvercrest HG05014A Operation And Safety Notes page 57

No functions
Battery drained.
Recharge the battery as described in "Charging the battery".
No Bluetooth connection
Error operating the headphones.
Switch the headphones off and on again.
Communication device error.
Separate the connection to the headphones and connect
again.
Check if other devices using Bluetooth standard 4.1 work with
the communication devices.
Bluetooth connection error.
®
Move closer to the devices connected via Bluetooth
Remove the AUX cable
No sound
The headphones volume is set to Minimum.
Press the button
Error operating the communication device.
Increase the volume on the playback device.
Bluetooth connection error.
®
from the headphones.
12
to increase the volume.
2
.
®
GB/IE 57