Operation12Useful functionsYou can activate Siri or other voice functions with a button on the unit.1 Connect the Bluetooth® device and the unit. (l 8, “Connecting a Bluetooth ® device”)2 Press and hold [1/;/ ] of this unit for approx. 3 seconds.• The voice function on the Bluetooth ® device will be activated.Note• For details about voice function commands, refer to the operating instructions for the Bluetooth ® device.• The voice function may not work depending on the smartphone specifications and the app version.This unit can be reset when all operations are rejected. To reset the unit, press and hold [Í/I ( )] for 10seconds or more. All the previous operations will be cancelled. (The pairing device information will not bedeleted.)If the unit is not connected to a Bluetooth ® device, an English guidance message will be heard and turn offautomatically approximately 5 minutes after you have stopped using it.• It is possible to switch the audio guidance between English and Japanese. (l below)• When the unit is turned off, an English guidance message will be heard indicating the battery level.• When the battery starts running low during use of the unit, the blinking LED will turn from blue to red. A beepwill sound every 1 minute.* When the battery runs out, an English guidance message will be heard and thepower will turn off.* If you press [Í/I ( )] twice quickly, an English guidance message will be heard and you can check the batterylevel.• It is possible to switch the audio guidance between English and Japanese. (l below)The unit is equipped with an a function that provides an audio notification when you turn off the unit, connect aBluetooth ® device or change a setting, for example.• This unit has English and Japanese messages for the audio guidance.• The audio guidance function cannot be disabled.• The audio guidance volume cannot be adjusted.∫ Switching the audio guidance languagePress and hold [– (:)] and [Í/I ( )] for at least 5 seconds.Activating voice functionsResetting the unitAuto power offBattery level notificationGuidance messages