Audio settings: L:int R:ext (make a left channel AGC, right channel - MANUAL)

[Freeways]

Audio settings:  L:int R:ext   (make a left channel AGC, right channel - MANUAL)

Is it possible to make the left channel was the AGC was right MANUAL?
When you shoot a report, one channel should always write all the sounds around you, the level of which must be regulated automatically. The second channel is for the microphone and the regulated manually.