Hatteland Display 13 inch - HD 13T21 MMC (Widescreen, Inte Cor2 Duo CPU) - Manual (Page 32)

32 Operation
User Controls
IND100064-36
Buzzer:
The location of the Buzzer is not visible for the eye. You can implement the Buzzer in your own applications and
systems by using the dedicated API functionality (specifically DOC101014-1 and DOC101200-1 documents).
For Application Programming Interface (API) usage, please review dedicated chapter in this manual.