Instruction manual

ImagePRO-II • User’s Guide 37

4. Menu Orientation

Configuring Inputs

As you change the input Type, the default Colorspace setting changes, too. For example,

if you select YP

or YC, the Colorspace changes to SMPTE. If you select RGB, the

Colorspace changes to RGB. For details about these options, refer to Selecting the

Colorspace on this page.

When you auto-acquire a signal, type selections are limited depending on the input

selected. For example, if Input 3 is connected to an HDMI source, HDMI is the only option

for that input and cannot be changed.

When you are not auto-acquiring a signal, you can choose a type for the selected input. If

you choose a type that is not applicable to the input, the Status Menu displays the Invalid

Signal message. For information about auto acquisition, refer to Acquiring an Input

Signal on page 72.

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The Colorspace defines the Composite Video Standard for an input. The options available

depend on the selected input and the input Type, as shown in the following table.

* Available with the 3D/Dual Channel option

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1:1 Sample sets the sampling mode for the selected input. This option is either On or Off.

You can turn this option Off only for RGB and YP

analog inputs. For all other input

types, the sampling clock is inherently 1:1.

Image sampling occurs when an analog image is digitized, changing the analog signals

(Red, Green, and Blue, for example) into pixels stored in the ImagePRO-II’s image

memory. Using 1:1 sampling, the ImagePRO-II samples the analog video at exactly the

same rate as that of the original signal.

Table 4-2. Input Colorspace Chart

Input Input Type Colorspace Options

1 (DVI-I — Digital) DVI RGB

1 (DVI-I — Analog) CVBS SMPTE

RGB RGB

Y/C SMPTE

SMPTE

2 (HD-15) CVBS SMPTE

RGB RGB or SMPTE

Y/C SMPTE

SMPTE or RGB

3 (HDMI) HDMI RGB or YCbCr

4 (DisplayPort) DP RGB or YCbCr

5 (SDI-1) SDI SMPTE

6 (SDI-2)* SDI SMPTE