Control lamp colour codes
blue, lights up 1x for 1 second
red, lights up 1x for 1 second
blue-red alternating
blue, lights up 1x every 5 seconds
blue, lights up 2x every 5 seconds
blue, lights up 2x per second
blue, lights up 1x per second
red, permanently
red, lights up 1x every 5 seconds
The control lamp
up while the charger is connected.
Cleaning
DANGER
Risk of electric shock!
►
Always remove the plug from the mains power socket before cleaning the
device!
CAUTION
Possible damage to the device
►
To avoid irreparable damage, ensure that no moisture penetrates into the
device during cleaning.
►
Do not use any chemical, abrasive or aggressive cleaning agents. These
will damage the surface of the device!
Clean the device with a damp cloth. If required, use a mild detergent on the cloth.
Remove the foam protection from both microphones
clear water. Ensure that they are completely dry before reattaching the foam
protectors to the microphones
SMFB 2.1 A1
Control lamp
7
does not light
7
/
12
Meaning
Device switched on
Device switched off
Pairing mode
Standby mode
Standby mode (no connected device)
Active call
Music playback
Device is being charged
Low battery alert
Device is charged
/
12
17
.
17
and clean these in
15
GB
IE
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