Huawei P20 Pro User Manual page 37

The figures are for reference only.
1
Open Camera or go to Camera > More (depending on your device model), and select Pro
mode.
2
From there, you can:
Adjust the metering mode: Touch M and select a metering mode.
•
Metering
mode
Matrix
Center
Overview
Measures light across the entire frame; ideal for shooting natural
landscapes.
Focuses on light near the center of the screen; ideal for shooting
portraits.
Camera and Gallery
35