DEVICE DESCRIPTIONS
Block Diagram:
AUX 1
L
GAIN
AUX 1
R
IN A
AUX 2
L
GAIN
AUX 2
R
AUX 3
L
GAIN
AUX 3
R
IN B
AUX 4
L
GAIN
AUX 4
R
figure 5.20
Internal Settings:
AUX input sensitivity setting
Using trimmers VR1 (AUX 1), VR2 (AUX 2), VR3 (AUX 3) and VR4 (AUX 4), adjusting input levels is possible
in a range between -10 dBu and +12 dBu. The trim-potentiometers' coarse scales are meant for your
convenience, helping you in adjusting the levels.
Potentiometer setting
Left margin
Center position
right margin
figure 5.21
5-18
AUX 1
AUX 2
PILOT A
PILOT B
AUX 3
AUX 4
block diagram 2-channel AUX input module
Input level
+12 dBu
-3 dBu
-10 dBu
internal settings, location of parts (NRS 90228)
MON A
A
D
MON B
BOARD
CONTROL
BOARD
STATUS
& ID
PROMATRIX System User Handbook 1.1
+24V
+12V
ANALOG
SUPPLY
-12V
+5V
DIGITAL
SUPPLY
INTERNAL MONITOR
PILOT
MCLK
2 CHANNEL
BCLK
DIGITAL
WCLK
AUDIO
DIN
4
SPI
RES
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