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2-4 Analog Audio Expansion Box BKMA-570
When using analog audio input and output with this unit,
connect the optional Analog Audio Expansion Box
BKMA-570 to the AUDIO I/F connectors on the unit's
connector panel, then connect to peripheral units via the
BKMA-570.
The optional BKMA-513 is necessary for analog input and
output.
INPUT
1
2
a
b
c
a INPUT 1 (R1 input) connectors (XLR-3-31)
Analog audio inputs to the R1 port.
b INPUT 2 (R2 input) connectors (XLR-3-31)
Analog audio inputs to the R2 port.
c OUTPUT 1 (P1 output) connectors (XLR-3-32)
Analog audio outputs from the P1 port.
d OUTPUT 2 (P2 output) connectors (XLR-3-32)
Analog audio outputs from the P2 port.
e OUTPUT 3 (P3 output) connectors (XLR-3-32)
Analog audio outputs from the P3 port. (Planned for
use with future functions.)
Input connectors (a and b) have LEVEL switches for
each channel as shown below.
Channel LEVEL switches are set for use as follows:
HIGH
ON
CH1
LOW
OFF
LEVEL 600
HIGH
ON
CH3
LOW
OFF
LEVEL 600
OUTPUT
1
2
3
d
e
HIGH
ON
CH2
LOW
OFF
LEVEL 600
HIGH
ON
CH4
LOW
OFF
LEVEL 600
Audio Input
Level
Impedance
-60 dBu
High impedance
(microphone input)
(approx. 20 kΩ)
+4 dBu (line voice
High impedance
input)
(approx. 20 kΩ)
600 Ω
+4 dBu (line voice
input)
2-4 Analog Audio Expansion Box BKMA-570
Switch Setting
LOW-OFF (lower
position)
HIGH-OFF (central
position)
HIGH-ON (upper
position)
2-11 (E)
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