Omega Speaker Systems OME-DB-889D - Manual (Page 21)

4.5 Block Diagram
CN4
CN1
CN3
CN2
AMP 16 channel Multiplexer
Control
Logic
CJC
Dip Switch
CN8 Connector with R/C filter
VR1
VR2
CN6 Connector with R/C filter
OME-A-82X
Analog input
OME-A-82X
D/O control signal
JP16 JP17
OME-DB-889D Block Diagram
CN1: connect to OME-A-82x series multi-function card
CN2: connect to CN1 of another OME-DB-889D
CN3: connect to OME-A-82x series digital output
CN4: connect to CN3 of another OME-DB-889D
AMP: programmable gain amplifier (PGA)
VR1: PGA off-set adjustment.
VR2: CJC gain adjustment
OME-DB-889D User’s Manual 19