Proxima DP9100 Manual do Utilizador descarregar pdf (Página 2)

How do I connect my Silicon Graphics workstations to the panel?

On the Ovation 920:

1. If using the C801-6 cable, connect the panel to the workstation with the existing monitor cable.

2. Connect the SGI monitor to the panel with the C801-6 cable.

NOTE ASK Proxima has developed a cable specifically designed for use with SGI machines. The SGI Cable Accessory Kit

(Part No. A36) consists of two C943-6 SGI 13C3 to 13C3 connector cables and an instruction sheet. One cable is

used to connect the workstation video to the panel, the other to connect the panel to the monitor. The C943-6

cables support all SGI monitor sync configurations, all SGI video systems, and sense lines when used without a

monitor.

On the Ovation 944:

1. Disconnect your computer-to-monitor cable at the computer end.

2. Connect the free end of the monitor cable to the ASK Proxima SGI to LCD adapter (C947-12).

3. Connect the free end of the SGI to LCD adapter to the projection panel's TO MONITOR connector.

4. Use the ASK Proxima SGI 13C3 to LCD Connector Cable (C943-6) between the projection panel and the computer.

Connect the end marked "LCD" to the projection panel's FROM COMPUTER connector, and the end marked

"COMPUTER" to the SGI workstation's video output connector.

NOTE SGI workstation users that do not connect an external monitor will need to set the panel's sense lines to achieve the

desired display resolution. Please refer to Field Note #38a for sense line settings.

Does the Ovation+944/920 panel support interlaced signals?

An interlaced signal is one that draws half the screen at a time, alternating lines. For example, the odd lines will be drawn,

then the even, etc. The Ovation+944/920 supports interlaced signals at 1024x768 resolution.

To determine whether a signal is interlaced, look at the number of lines on the Input Measurements window on the Input

Source menu. If the number of lines is approximately half of the expected resolution, the signal is interlaced. In addition, the

vertical sync rate in the Input Measurements window may not match the vertical sync in the input source. Interlaced signals

can be EVEN or ODD. If the lines looked swapped in the displayed image, change the Interlaced menu (even or odd.)

How do I sync the Ovation+944/920 panel?

All adjustments should be made in non-Fit to View mode. After the image is stable, then go to Fit to View mode. Remember,

the sync setting will be different in native and Fit to View mode.

1 Contrast and

Brightness

Adjust the contrast so the colors (particularly the gray shades) are right for the image. Do the

buttons look three dimensional as they do on the system? Adjust the brightness to ensure the

image is clear.

2 Sync Sync is a fine tuning adjustment of the image and will be used often in this process. Sync will

eliminate the "shimmering" of the image.

3 Dot Clock If this adjustment is not correct, you will see vertical banding in the image. To see if this

adjustment is correct, go to a word processor or text window and enter in 4-6 rows of the letter

h (in lower case.) If the Dot Clock is not correct, you will see vertical banding in the text (h's.)

As the Dot Clock adjustment moves, this banding will change. The goal is to get the banding to

be as wide as the screen. When there are no visible bands, the Dot Clock adjustment is set

right.

4 Sync After the Dot Clock is set, adjust the sync again.

5 VCO Gain If the image is still not in sync, try adjusting the VCO Gain. This adjustment should be made in

small increments, with the Sync adjustment used with each VCO Gain adjustment to get the

best image.

6 Sync Sync is fine tuning the signal.

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