Sony DVW-707/707P Operation Manual page 28

qd MONITOR (audio channels select) switch
This switch selects the audio output to the speaker or earphone. The
audio level indication in the viewfinder screen switches automatically
2
according to the selection.
CH-1: Audio channel 1
MIX: Mixed sound of channels 1 and 2
CH-2: Audio channel 2
qf
qg
Audio functions (4)
2-12
Chapter 2 Locations and Functions of Parts and Controls