AB1561 Headset Reference Design
User Guide
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Functionality Actions Results Requirements
Reset to factory
Tap key1 (Regen) -> wait 1 sec ->
press key1 (Regen) + key3(PIO5)
In the power off
state.
2.1.3. Language selection
The user could change the language of the system.
Table 3. Language selection
Functionality Actions Results Requirements
Change the
language of the
system
Double long beep and a voice
prompt says “English voice
prompt”
2.1.4. ANC
Ambient unwanted sound is significantly reduced when ANC is on. ANC uses aural overlap and destructive
interference to attenuate surrounding noises.
Table 4. ANC
Functionality Actions Results Requirements
ANC on
pairing mode,
connected, call active
states
ANC off
In power on, during
pairing mode,
connected, call active
states
2.1.5. AiroThru
When the AiroThru functionality is on, the user can hear the surrounding sound without removing their
headphones. Essentially, users can still hear traffic, broadcasts, or chatting when they are listening to music or
audio.
Table 5. AiroThru
Functionality Actions Results Requirements
AiroThru on
Press key7 (PIO3) for three seconds
mode, connected
states
AiroThru off
Press key7 (PIO3) for three seconds
mode, connected
states
2.1.6. Google Fast Pair