6
Chapter 1 Overview
Decoder and input expansion adaptors
The input connector panel is configured by sliding the
optional decoder adaptor or input expansion adaptor
into the input option slot at the rear of the monitor. Up
to four adaptors can be installed to the monitor.
The input signal type for each connector of the adaptor
is set with the INPUT CONFIGURATION menu, in
accordance with the configuration of the connector
panel.
Note
When installing the adaptor, be sure to perform the
necessary input signal setup with the INPUT
CONFIGURATION menu. If the setup is not
performed, the adaptors may not function correctly.
For information about the INPUT CONFIGURATION
menu, see “[C1] Setting the Input Configuration (SET UP 1)
— INPUT CONFIGURATION Menu” on page 35.
BKM-20D SDI 4:2:2 Decoder Adaptor
Includes decoders for serial digital component signals
(525/625). Input/output connectors for three serial
digital channels (component inputs only) and three
analog channels.
BKM-21D SDI Multi Decoder Adaptor
Includes decoders for serial digital signals (525/625
component and NTSC/PAL composite) and analog
composite signals (NTSC and PAL). Input/output
connectors for three serial digital channels and three
analog channels are equipped.
BKM-22X SDI Input Expansion Adaptor
Increases the number of input/output channels.
Includes input/output connectors for three serial digital
channels and three analog channels.
BKM-24N NTSC Decoder Adaptor
Includes decoders for analog composite NTSC signals
and input/output connectors for six analog channels.
BKM-25P PAL Decoder Adaptor
Includes decoders for analog composite PAL signals
and input/output connectors for six analog channels.
BKM-26M PAL-M Decoder Adaptor
Includes decoders for analog composite PAL-M
signals and input/output connectors for six analog
channels.
BKM-27T Tri-Standard Decoder Adaptor
Includes decoders for analog composite NTSC, PAL,
and SECAM signals and input/output connectors for
six analog channels.
BKM-28X Analog Input Expansion Adaptor
Increases the number of input/output channels.
Includes input/output connectors for six analog
channels.
BKM-41HD HD SDI Input Adaptor (one HD SDI
channel)
Includes a decoder for HD serial digital signals and
input/output connectors for a serial digital signal
channel and an analog signal channel.
BKM-42HD HD SDI Input Adaptor (two HD SDI
channels)
Includes a decoder for HD serial digital signals and
input/output connectors for two serial digital signal
channels and an analog signal channel.
Notes
•The BKM-41HD and BKM-42HD use two input
option slots.
•The signal from the MONITOR OUT connector of
the BKM-41HD/42HD does not satisfy the ON-LINE
signal specifications.
BKM-48X HD Analog Input Expansion Adaptor
Increases the number of input/output channels.
Includes input/output connectors for six analog
channels. For each input/output connector, either
floating or ground can be selected by using the switch
inside the board.
Overview
7
Chapter 1 Overview
Connector Panel Configuration
The unit comes standard with connectors for one
channel of Y/P
B
/P
R
or GBR. By adding the optional
decoder adaptor or input expansion adaptors, the input/
output connector panel can be assembled in a wide
variety of configurations. The signals that each of the
adaptors’ connectors supports are given in the table
below. The type of signal to be applied to each input/
output connector is set with the INPUT
CONFIGURATION menu.
Notes
•One BKM-22X can be attached simultaneously with
the BKM-20D or BKM-21D.
•The BKM-20D, BKM-21D and BKM-22X can not
provide proper active-through outputs if a signal
whose format is not selected in the INPUT
CONFIGURATION menu is input. (If AUTO is
selected, input a signal which has the same format
with the signal monitored last.)
For information about the INPUT CONFIGURATION
menu, see “[C1] Setting the Input Configuration (SET UP 1)
— INPUT CONFIGURATION Menu” on page 35.
Priority of the decoder adaptors
When multiple decoder adaptors for NTSC or PAL
format are installed, their priority is as in the following
table.
Example: To monitor the composite NTSC signal
when the BKM-24N and BKM-27T are installed, the
input composite NTSC signal is always decoded by the
BKM-24N.
Y/C
PAL
BKM-42HD
HD SDI
Input
Adaptor
Adaptor
name
BKM-48X
1)
HD
Analog
Expansion
Adaptor
Composite
NTSC
Composite
PAL
Composite
NTSC
Composite
PAL
Composite
PAL-M
Component
525/625
Composite
SECAM
YP
B
P
R
525/625
GBR
525/625
Y/C
NTSC
Serial
digital
input
Analog
input
BKM-41HD
HD SDI
Input
Adaptor
Number of analog
input
Number of digital
inputs
Y/C
PAL-M
Signal can be reproduced with this adaptor.
Signal can be reproduced when using this adaptor
together with an adaptor marked with
.
1) Equipped with floating/non-floating ground mode selected
for hum reduction.
–
6
2
1
1
1
HD SDI
YP
B
P
R
/GBR
1080/48I
Signal
format
YP
B
P
R
/GBR
1080/50I
YP
B
P
R
/GBR
575/50P
YP
B
P
R
/GBR
480/60P
YP
B
P
R
/GBR
1035/60I
YP
B
P
R
/GBR
1080/60I
YP
B
P
R
/GBR
720/60P
(continued)
Decoder adaptor
BKM-24N BKM-25P BKM-27T BKM-21D
Input signal and
its format
Composite
signal
YC
signal
NTSC
PAL
NTSC
PAL
132
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12
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