User Manual

To contentsBasic usage: Setting up
Downloading and installing the app
Search for “HD-300 Assistant” in the iPhone/iPad App Store, and install it.
NOTICE
Use this app with iOS/iPad OS version 14.3 or later. For versions prior to 14.2, the app may behave
unexpectedly or stop.
NOTE
At the rst startup, a pop-up will appear asking for permission to use the microphone and Bluetooth. Tap “OK” for
each. If you do not allow this, the app will not work properly.
If you select “Don’t allow” at startup, you can set the permission in “Settings” > “HD Assistant” on the iPhone/iPad,
and the app will work normally.