Gefen HDSDI-2-DVIL Manual de usuario

Technical Support:

Telephone (818)772-9100

(800) 545-6900

Fax (818)772-9120

Technical Support Hours:

8:00 AM to 5:00 PM Monday through Friday PST

Write To:

Gefen Inc.

c/o Customer Service

20600 Nordhoff Street

Chatsworth, CA 91311 U.S.A.

www.gefen.com

[email protected]

Notice

Gefen Inc. reserves the right to make changes in the hardware, packaging and any

accompanying documentation without prior written notice.

The HD-SDI to DVI Loop is a trademark of Gefen Inc.

ASKING FOR ASSISTANCE

TABLE OF CONTENTS

Introduction

Operation Notes

Panel Descriptions

Supported Input/Output Resolutions/OSD and Infrared Remote Functions

OSD and Infrared Remote Functions

Wiring of the RS422-RS232 Cable

Recommended LCD Monitors

Firmware Update Procedure

Speciﬁcations

Warranty

INTRODUCTION

The HD-SDI to DVI Loop is a compact digital video interface that converts HD-SDI, SDI,

DVI-D, and DVI-A (Analog RGB) to DVI-D (digital RGB). It automatically detects the in-

put scan rate and supports a wide variety of video formats including PAL, NTSC, 720p,

1080i, 1080p.

The HD-SDI to DVI Loop can be connected to computer LCD monitors, HDTV Televi-

sions with 720p, or 1080p, video projectors and displays (Plasma, DLP, D-ILA, etc.).

CONTENTS

The HD-SDI to DVI Loop consists of:

--- (1) HD-SDI to DVI Loop

--- (1) 5VDC Power Supply

--- (1) User's Manual

OPERATION NOTES

On power up, the HD-SDI to DVI Loop will automatically detect the input format of the

selected input and will send a message to the monitor connected via DVI requesting its

EDID. The EDID parameters of the connected monitor will be used by the HD-SDI to

DVI Loop to determine its output resolution.

The Loop's DVI-D output has 2 major controls: Resolution and Frequency.

Resoluton: Can be set to Auto (default) or forced to 1280x720, 1280x1024, 1920x1080

or 1920x1200

Frequency: Can be set to 60Hz (default) or forced to Frame Sync.

Resolution

1. The output resolution will be set to match the monitor up to 1920x1200.

•If the EDID response of the monitor is not recognized or higher than 1920x1200, the

Loop will default to 1280x1024. If the monitor doesn't support 1280x1024, the output

resolution can be forced using the infrared remote control and without the On Screen

Display (OSD) interface by using the TV/Video + Number combination according to the

following table:

o TV/Video + 0 => Auto Mode

o TV/Video + 1 => 800x600

o TV/Video + 2 => 1024x768

o TV/Video + 3 => 1280x720

o TV/Video + 4 => 1280x768

o TV/Video + 5 => 1280x1024

o TV/Video + 6 => 1400x1050

o TV/Video + 7 => 1600x1200

o TV/Video + 8 => 1920x1080

o TV/Video + 9 => 1920x1200

•If the EDID reports 1920x1080 interlaced, the unit will default to output 480p. The

480p output should only be used to access the OSD and force the output mode to 720p

if the TV supports it.

Frequency

The default frequency is 60Hz because it works with all displays. If your display supports

lower frequencies and if your input source is running at 24/48, 25/50 Frames/Fields per

second, you can avoid motion artifacts by forcing the output frequency to Frame Sync.

PANEL DESCRIPTIONS

Supported Output Resolutions

The HD-SDI to DVI Loop supports all progressive scan resolutions up to 1920x1200; it

does not support interlaced or 480p outputs.

Supported Input Resolutions

Input Resolution

HD-SDI All HD formats, NTSC, PAL, 2K-psf , 2K-p and 720p-50

SD-SDI NTSC, PAL

DVI-D All DVI-D interlaced and progressive scan formats up to 1920x1200

DVI-A All DVI-A RGB analog formats up to 1920x1200

OSD and INFRARED REMOTE FUNCTIONS

By default controls are unlocked. To lock press, “MUTING” for 4 seconds. The same

process can be used to unlock the IR controls. The lock state of the HD-SDI to DVI

Loop is saved even if the unit is turned off.

To access the OSD menu, press “RECALL”. The OSD will display six icons:

From left to right, these Icons represent:

Input Source Selection | Picture Settings | OSD Settings | Input Settings | Output

Settings | Miscellaneous.

To navigate through the menus, use the 2,8,4,6 button on your remote as Up, Down,

Left, Right. The table below explains all remote functions in both cases: On-screen

display (OSD) ON or OFF.

OSD OFF

Type, Remote Control Key, Function

•Input Select, CH +, Switch between HD-SDI, SDI, DVI-D, DVI-A

•Freeze picture, VOL -, Freeze/unfreeze the output displayRelock Input 1 Relock the

output. Use in case the picture is not stable.

•Toggle IR lock, Press and hold MUTING for 4 seconds, Lock/unlock IR.

•Power, Press and hold POWER for 4 seconds, Restore HDSDI in settings (need to

reboot after.) and EDID detect mode.

*Force Flash Mode, Press and hold TV/VIDEO for 4 seconds, Displays a red screen to

indicate that the unit is in ﬂash mode and ready to be upgraded.

*Menu Access, RECALL, Access the menu system

*Force Output Mode, TV/Video + Number Key, Force the DVI-D to a speciﬁc resolution

OSD ON

Type, Remote Control Key, Function

Up, 2, Navigate up

Down, 8, Navigate down

Left, 4, Navigate left

Right, 6, Navigate Right

Exit, 0, Exit submenu and menu

Select, ENTER or 5, Activate the selection

SUPPORTED INPUT/OUTPUT RESOLUTIONS

OSD and INFRARED REMOTE FUNCTIONS

Input Source Selection

When OSD is on, select IN and use the 2,4,6,8 keys to select the desired input then hit

5 or ENTER When OSD is off you can use the CH + key to change the input source.

Picture Settings

DISPLAYAccess to: Brightness, Contrast, Hue, Saturation and Flesh Tone settings

IMAGE Access to: Scaling, Adaptive De-interlacing, Noise Reduction, Auto Filtering,

Film Mode Detect and Sharpness settings

POSITION Access to: Horizontal and Vertical position settings

COLOR Access to: sRGB, Gamma Correction, Color Temperature, Red, Green and

Blue settings

OSD Settings

Sets the on-screen display’s position, size, etc.

Inputs Settings

Selects RGB or YPbPr (default) for the HD-SDI input.

Output Settings

DVI

Resolution -Auto (default): Use with all monitors up to 1920x1200. If the monitor

reports a bad or unsupported resolution, the HD-SDI to DVI Loop will

default to 1280x1024. In the case where this same monitor does not

support 1280x1024, the output resolution can bet forced using the

infrared remote control and without the OSD interface by using the

TV/Video + Number combination (see paragraph 3.1)

-1280x768, 1280x1024, 1920x1080 and 1920x1200

DVI

Frequency -60Hz: This is the default mode, it should work with all displays

1920x1200 or below

-Frame Sync: Eliminate motion artifacts for formats other that 30/60

All 24 and 48 FPS formats will be displayed at 48Hz

All 25 and 50 FPS formats will be displayed at 50Hz

All 29.97 (30) and 59.94 (60) FPS formats will be displayed at

59.94Hz (60Hz)

Pattern Mode -Off: Output based on the input source selected

-Toggle: Hitting ENTER will toggle between the 4 internal test

patterns, color bars, cable equalizer, PLL and black

H Sync Width This setting is normally detected from the EDID message. If for any

reason the EDID is wrong, these settings can be manually adjusted.

Pressing ENTER twice will restore the default value

V Sync Width Same note as for H Sync Width

H Back Porch Same note as for H Sync Width

V Back Porch Same note as for H Sync Width

Miscellaneous Menu

This menu can be used to reset the factory default settings of the unit. It also displays

the Monitor’s native resolution, the current DVI output resolution, the current DVI output

frequency, the infrared remote control status, the current input and the ﬁrmware version.

The reset function in this menu is different from the reset state you get after holding the

POWER button for 4 seconds, which only resets the SDI and HD-SDI input settings.

Troubleshooting

If the Loop does not output video to your monitor, try to reset the factory defaults by

holdingthe POWER button on your IR remote for about 4 seconds, then power cycle the

Loop.

You can also try the TV/Video + Number combination to force the DVI output to a

resolution supported by your monitor.

OSD and INFRARED REMOTE FUNCTIONS

Note: For a true RS422 connection, you can use an adapter made by KK Systems (Part

Number K422-99). This adapter connects to the RS232 port on the PC and provides

an RS422 connection on the other side. To connect the K422-99 to the HD-SDI to DVI

Loop, use a standard RS422 cable (Male DB9 to Male DB9 pin to pin). A true RS422

connection allows for a better connection and longer cables.

WIRING OF THE RS422-RS232 CABLE

The HD-SDI to DVI Loop has an RS422 port that can be used to view the current set-

tings of the unit. To connect the RS422 port to a PC you need a special RS422-RS232

cable that can be purchased from Gefen by contacting [email protected] You can

also make the cable using the wiring diagram shown at the end of this document.

• Connect COM1 of the PC to the HD-SDI to DVI Loop using the RS422-RS232 cable

• Run HyperTerminal on your PC and make a direct connection on COM1

• Connection Properties should be set to: 38400 Bauds, 8 Data Bits, Odd Parity, 1 Stop

Bit, and None Flow Control.

When you power up the HD-SDI to DVI Loop, plug or unplug the HD-SDI, SDI or DVI

input or DVI output. Messages will be displayed in the HyperTerminal window indicat-

ing the input and output formats as well as the native monitor resolution reported by the

EDID message.

All LCD monitors that support the resolutions listed in this document would work

properly with the HD-SDI to DVI Loop.

For best motion performance in 720p application (most demanding), we recommend

using displays with a response time of 16ms or less.

Note about the Viewsonic VP2290b

Because the VP2290b is a 3840x2400 monitor the HD-SDI to DVI Loop output must

be forced to 1920x1200. This monitor supports Frame Sync and can be operated at

frequencies as low as 24Hz. In addition this monitor is pre-adjusted according to ITU-

709 to be used as a high def. reference monitor. The combination of the HD-SDI to DVI

Loop with the VP2290b creates a low cost reference monitor that competes with CRT

reference monitors that are priced over $30,000 US Dollars.

Note about the Apple Cinema Displays

All Apple cinema displays are supported by the HD-SDI to DVI Loop except for the

30”. TheApple displays support 60Hz frequency only. Frame Sync Mode should not

be set with these monitors; the HD-SDI to DVI Loop will display all input resolutions at

60Hz. Note that Apple Cinema displays with the ADC connector will need a DVI to ADC

converter.

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