NEC 750C - Manual (Page 42)

Using the MobilePro 3-9
3. Select either to enable suspend mode with battery power
or external AC power.
VOICE RECORDING
Recording voice memos with the MobilePro is easy, even with
the unit closed:
1. Hold your MobilePro with the microphone facing you.
2. Press and hold the Record button. A short beep will sound
indicating that you should begin speaking.
Recording voice memos
3. When you are finished speaking release the button. You
will hear a beep indicating that the voice memo has been
saved.
4. To review or edit your voice memos, run the Voice Memo
application. Refer to the next section, “Using the Voice
Recorder.”
Microphone
Press the
Record Button