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8
Chapter 1 Overview
Decoder adaptor priority
Overview
The table on the right shows which decoder adaptor
will be selected preferentially when more than one
decoder adaptor which can accept the NTSC or PAL
signal format have been installed in the monitor.
For example, when a BKM-24N and a BKM-27T are
installed and an NTSC signal is selected, the NTSC
signal connected to the BKM-24N’s input connectors
and the NTSC signal connected to the BKM-27T’s
input connectors are both processed by the decoder on
the BKM-24N.
Input signal type
and format
Decoder adaptor
BKM-
24N
BKM-
25P
BKM-
27T
BKM-
21D
Composite
signal
NTSC 1 3 2
PAL 1 3 2
NTSC 1 2
PAL 1 2
Y/C
signal
Numbers in the table show priority.
Note on using the BKM-20D/21D
When installing the input adaptor in an input option
slot on the rear of the monitor, or fitting a cover plate
to an unused slot,
always do such operation in order
from the rightmost slot, as shown in Figure 1. If a
BKM-20D/21D is already installed, first of all remove
it and then do the installing operation in order from the
rightmost slot.
When removing a BKM-20D/21D,
always loosen all
input adaptor screws and then remove in order from
the rightmost slot, as shown in Figure 2.
When one of the input option slots on the rear of the
monitor has a BKM-20D/21D (optional) installed, if
the slot to the right has another adaptor or the analog
input connectors board, or a cover plate fitted, as
shown in Figure 3, the radiation shield of the BKM-
20D/21D may be damaged or detached (see Figure 4).
Using the BKM-20D/21D with the radiation shield
damaged or detached may result in electromagnetic
interference. Always use care about the radiation
shield.
BKM-20D/21D
Figure 1 Figure 2
Input adaptor
Cover plate
Input option slots
Analog input connectors board
Radiation shield
Input adator, etc.
Figure 4Figure 3