Hitachi SH-G1000 - Manual (Page 85)

Section 2: Understanding Your Device
77 2B: Using Your Phone
After you have finished the note, it will be saved as an attachment to the
call in one of the Call Log lists.
Ⅵ To access a note, tap in the Call Log list.
Using Speaker Phone
Speaker Phone can be used in any situation where you would like to use
your phone without using your hands.
Ⅵ To turn Speaker Phone on, press the Speaker Phone button.
Ⅵ To turn Speaker Phone off, press the Speaker Phone button again.
Note: For more information about the phone on your device, tap , and
then tap Help .