
1-5(E)
BKPF-L753
COR1
D1
RV3
1
8
2
3
4
5
Component side (A side)
1
1
MO
ST
RV4
COR2
COR3
S1
S2
7
6
+
8 dB
+
4 dB 0 dB
_
4 dB
_
8 dB
(Factory setting)
+
8 dB
+
4 dB 0 dB
_
4 dB
_
8 dB
(Factory setting)
1-6. Locations and Functions of Switches/LED
ADA-55 Board
1
COR2 : AUDIO 1 Gain Selection
Selects an input/output gain of the signal input to the AUDIO 1 connector.
2
RV4 : AUDIO 1 Fine Adjustment
Adjusts the gain of the signal input to the AUDIO 1 connector within the
±
2 dB range.
3
D1 : POWER indicator
Lights in green when the
±
12 V power is supplied from a DC-DC converter (DD1/ADA-55).
n
Lights in red when the
±
12 V power is not supplied normally from the DC-DC converter.
4
COR1 : AUDIO 2 Gain Selection
Selects the input/output gain of the signal input to the AUDIO 2 connector.
n
If mono mode is selected with the COR3, this AUDIO 2 gain selection is inoperative.
1-6. Locations and Functions of Switches/LED