AJA Ki PRO rack Spezifikationen PDF herunterladen (Seite 23)

Ki Pro Rack Installation and Operation Manual — Connector Side

RS-422 Connector

Ki Pro features a 9-pin serial port that may be used with some RS-422 devices.

IMPORTANT: Not all RS-422 devices have been tested with Ki Pro, so AJA

cannot definitively say which devices may or may not communicate as expected with Ki

Pro when operated under RS-422 remote control. Refer to the latest Release Notes

document for which devices or non-linear editors have been tested with Ki Pro

operating under RS-422 control.

HDMI

Two HDMI connectors provide for input and output of HDMI compatible video

and embedded audio. HDCP sources are not supported on the input. The HDMI

input is designed to support long cable runs: up to 100 feet (30.48m) when

using 22 or 24AWG HDMI cable, or up to 50 feet (15.24m) using 28 or 30AWG HDMI

cable. The HDMI output supports standard HDMI cables only.

HDMI formats supported:

525i 29.97

625i 25

720p 50, 720p 59.94

1080i 25, 1080i 29.97,

1080p 23.98, 1080p 24, 1080p 25, 1080p 29.97

Note: To maintain regulatory compliance, when attaching any HDMI audio or video accessory

to Ki Pro HDMI, you must use one each of the ferrite beaded HDMI cables, HH-28F-06,

between the input and output ports of the Ki Pro and the HDMI accessory.

SDI Inputs and Outputs

Four BNC connectors are provided for two SDI inputs and outputs. The SDI

inputs and outputs support SD-SDI and HD-SDI video and embedded 24-bit

digital audio. If your camera has multiple outputs, look to see if it has SDI, and

use it where possible for the highest quality.

Component YPbPr

Connect component YPbPr video cables from a VTR, Camera, or other

source to the three YPbPr input BNCs: Y/G, Pb/B and Pr/R. Then connect

the YPbPr Out BNCs to a monitor, or other component device.

Component input video signals are A/D (input) converted (10-bit). Similarly,

component output video signals are D/A converted (10-bit). Component video signals

are higher quality than composite.

A Note About RGB

—Although RGB is used less frequently in today’s video systems, Ki

Pro supports it at output. Because Ki Pro’s (and SMPTE SDI) native format is YPbPr,

AJA recommends the use of YPbPr whenever possible. Although component video

monitors often have RGB inputs, it’s better to use YPbPr when the monitor

supports it. The YPbPr format provides “headroom” for “superwhite” and

“superblack”—and these video levels will be clipped when transcoding to RGB. Also,

the RGB/YPbPr transcoding involves a level translation that results in mathematical

round-off error.

A Note About YPbPr

—Component Video, or YPbPr, has been given several names over

time. YUV, Y/R-Y/B-Y, and YCbCr, are just some examples. Although these various

formats have some differences in levels, they are all basically the same. Ki Pro

supports three different types of YPbPr: SMPTE/EBU N10, Betacam (NTSC), and

Betacam (NTSC Japan). These three formats differ in level only.

Note About BETA Setting—

Setting the Ki Pro component input and/or output to "Beta"

for HD material results in an "Invalid Selection" alarm that must be corrected before

recordings or other operations may take place.

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