Datavideo KMU-200 Instruction Manual page 15

 CH1: Balanced MIC 1 IN
 CH 2: Balanced MIC 2 IN
 AUX: RCA audio input (analog)
 Digital: HDMI audio input (digital)
 Master: PGM audio output
Audio
-20
Volume (dBV)
LED Color G
Range (dBV) -20
-10
G
-12 -11 -9.5 -8.5
MASTER OUT Meter
The LED style meters show the audio
signal strength at the Main Program
Audio Output. The signal strength is
determined by the level set with the
Master OUT knob. The LEDs turn red at
+10 dB to indicate audio clipping.
-8 -4
G G
-6.5 -5.5 -3 -2
15
0 +4 +8
G Y Y
1 2 5.5 6.5
+10
R
8 9+