AB1561 Headset Reference Design User Guide
© 2020 Airoha Technology Corp.
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Key Functionality Action LED Voice prompt Ring tone Comment
Mic mute toggle Double-tap NA Say “Mute on/off” Two short beeps Only during an active call
Enter pairing mode Press for two seconds NA Say “Pairing” One median beep In the power off state
Language Selection Double-Tap NA Say “English Voice
Prompt/中文語音
提示”
NA Valid in standby mode.
key1 (Regen)+
key3(PIO5)
Reset to factory Tap key1 (Regen) -> wait 1 sec ->
press key1 (Regen) + key3(PIO5)
NA NA One median beep Only valid after power off. (Clean paired
history, reset volume level, language,
device name and PEQ to default
setting.)
key5 (PIO4) Speaker volume up Continuously press NA NA One short beep In the connected, incoming/outgoing,
or call active states
Music forward Double-tap NA NA One short beep Cannot control BT in the MP3 state
Reject and accept Tap NA NA One long beep Another incoming or active call exists
ANC On/Off Triple-Tap NA NA Two falling beeps
key6 (PIO2) Speaker volume
down
Continuously press NA NA One short beep In the connected, incoming/outgoing,
or call active states
Music backward Double-tap NA NA One short beep Cannot control BT in the MP3 state
Hold and reject Tap NA NA One long beep Another incoming or active call exists
key7 (PIO3) Call off connection Triple-tap NA Say “Disconnected” One median beep In the connected, incoming/outgoing
call, or call active states
Hold and accept Tap NA NA One short beep 1. Another incoming or active call exists
2. Tap again to switch calls
Add call Double-tap NA NA One short beep Another incoming or active call exists
AiroThru Press for three seconds NA NA One short beep All states except for call active state
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