Huawei Mate 8 - Manual (Page 188)

Convenient features, making life easier for you
181
Calculator
Open Calculator. Rotate the screen orientation to switch between the standard and
scientific calculators.
Sound recorder
You can use the Recorder app to record sound in a variety of different scenarios, such as
meetings, interviews, or your own voice.
Recording sound
1
Open Recorder.
2
Swipe left or right on the screen to select a recording mode.
3
Touch to start recording. When you select Meeting mode, your phone will
automatically detect the direction of the sound source and increase the frequency
response for that direction.