Sony MAV-555SS operation manual Analog Audio Expansion Box BKMA-570

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		OUTPUT
1	2	1	2	3
a	b	c	d	e

aINPUT 1 (R1 input) connectors (XLR-3-31)

Analog audio inputs to the R1 port.

Audio Input		Switch Setting
Level	Impedance
-60 dBu	High impedance	LOW-OFF (lower
(microphone input)	(approx. 20 kΩ)	position)
+4 dBu (line voice	High impedance	HIGH-OFF (central
input)	(approx. 20 kΩ)	position)
+4 dBu (line voice	600 Ω	HIGH-ON (upper
input)		position)

Chapter 2 Names and Functions of Parts

bINPUT 2 (R2 input) connectors (XLR-3-31)

Analog audio inputs to the R2 port.

cOUTPUT 1 (P1 output) connectors (XLR-3-32)

Analog audio outputs from the P1 port.

dOUTPUT 2 (P2 output) connectors (XLR-3-32)

Analog audio outputs from the P2 port.

eOUTPUT 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:

CH1	HIGH	ON	CH2	HIGH	ON
	LOW	OFF		LOW	OFF
	LEVEL 600Ω			LEVEL 600Ω
CH3	HIGH	ON	CH4	HIGH	ON
	LOW	OFF		LOW	OFF
	LEVEL 600Ω			LEVEL 600Ω

2-4 Analog Audio Expansion Box BKMA-570 2-11 (E)