1-6(E)
BKPF-L753
5
RV3 : AUDIO 2 Fine Adjustment
Adjusts the gain of the signal input to the AUDIO 2 connector within the
±
2 dB range.
n
If mono mode is selected with the COR3, this AUDIO 2 fine adjustment is inoperative.
6
COR3 : MONO/STEREO Selection
Selects mono or stereo mode of the analog audio signal input/output.
STEREO : Used to output the signals input to AUDIO 1 and AUDIO 2 connectors after dividing
these signals into quarters respectively.
MONO :
Used to output the signal input to the AUDIO 1 connector after dividing it into quar-
ters.
7
S1 : AUDIO 1 Input Impedance Selection switch
Selects the 600
Z
or 20 k
Z
input impedance of the signal input to the AUDIO 1 connector.
ON : 600
Z
(Factory setting)
OFF : 20 k
Z
8
S2 : AUDIO 2 Input Impedance Selection switch
Selects the 600
Z
or 20 k
Z
input impedance of the signal input to the AUDIO 2 connector.
ON : 600
Z
(Factory setting)
OFF : 20 k
Z
1-7. ISR (Interactive Status Reporting)
When this BKPF-L753 is installed in combination with the BKPF-L600 ISR Interface Board in the
Interface Unit PFV-L1, the operating status of this BKPF-L753 is monitored from a host computer with
the ISR function.
Refer to manuals of the BKPF-L600 for the details.
Status message (Warning/Error)
Message
Description
OTHER ERROR
Indicates that the
±
12 V power is not supplied from the DC-DC converter on the board
normally.
1-6. Locations and Functions of Switches/LED
1-7. ISR (Interactive Status Reporting)