35
Appendix
A
A-2. LKRI-002: HD-SDI (4:2:2) input board
With the LKRI-002 board SRX-series projectors can accept both SMPTE 259M SD digital 525/625 line video and
SMPTE 292M 1,080 4:2:2 YUV serial picture data. Upon detecting the frequency of the input signal, switching is
automatic.
The projector has a 4K image (3,840 x 2,160) when four LKRI-002 boards are installed into its slot.
The 4K image consists of four HD (1,920 x 1,080) images. Each input board handles a single HD signal (1,920 x
1,080) and represents a quarter of the screen. Four input boards are therefore required to display a 4K image. The
projector then seamlessly merges the four images into a single 4K image.
Connector panel
1
IN (HD-SDI input) connector (BNC type)
Used to connect to a recorder/player equipped with an HD-SDI connector.
2
OUT (HD-SDI output) connector (BNC type)
Used to output the input signals supplied from the IN connector by loop-through. This allows the projector to be
connected to an external device such as a video monitor so that it can monitor pictures or signals.
OUT
IN
1
2
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