miro Computer Products AG                                 22.12.1994

                        Current Information
                    ==============================

Installation instructions:
--------------------------
After having installed Video Studio 2.0 it is absolutely necessary to install 
the Video for Windows Runtime version 1.1d supplied with the board because the
miroVIDEO 20TD drivers require this version. The order of installation is:
				  1. Video Studio 2.2
				  2. Video for Windows 1.1d
				  3. miroVIDEO 20TD drivers

Known problems:
---------------
VCapture/miroTV:
----------------
  The upper line of the digital overlay may disturb windows which are
  on top of the overlay window (only for the VLB board).

VCapture/miroTV:
----------------
 Large video images and high frame rates may cause pixel disturbances in the video window.
 There may be disturbances in overlapping windows (vertical black lines).

Adobe Premiere 1.1:
-------------------
 After having installed Adobe Premiere, it is necessary to install the 
 miroVIDEO 20TD live drivers once again.

 Problem:  In the preview window there is only a black image when the 
	   miroVIDEO-XL AVI format is active.
 Solution: 1) Select "Dithering" under the Preview Options or
           a faster method for redraw:
           2) Call the "SYSEDIT" program. Go to the 
           [drivers] section. Insert a semicolon at the beginning ot the VIDS.DRAW=UDH.DLL 		line.
           To accelerate the play back of VfW AVI sequences, restore the original settings.


General instructions:
---------------------

VCapture/Adobecap/Vidcap

To achieve a good capture performance it is recommended to set the same bit depth for the the graphics board as for the capture format, because otherwise the recorded data have to be recalculated. For single-frames data may be lost.

- 16 bit RGB -> 32768 graphics mode ( not 65536!)
- 24 bit RGB -> 16 million colors graphics mode
- miroVIXL  -> 32 K, 64K 16 million color modes.

When capturing video, the image size, frame rate and color depth settings
for the PC system have to be tested.
In Video Studio these settings can be changed under "Video Capture".
Set a fixed image size of about 300*220 pixels and increase the frame rate step by step
with each recording process until more than 1-2% of the captured images are dropped.
If the image size is too high, it may occur that only still-images are recorded over
a long period.
As a rule, select the following settings for a DX2/66 system with 16MB memory:

 -uncompressed (no miroVIDEO-XL codec)             - compressed
  Image size: 320*240 pixels                         320*240 Pixel
  Frame rate:  3-6 frames per second                 30 frames per second
  Color depth: 16 bits                               24 bits

If you use an Enhanced IDE hard disk, deactivate the 32-bit access for the drive and the file. 
Use the BIOS setup to enable the IDE Burst Mode.

VideoEditor/Premiere/Videdit

General information on miroVIDEO-XL:
For an optimal result select the same output and input size. If the output size is smaller,
crop the image (cropping). This also removes possible disturbances which may have been
occured during recording.
(See Cropping Area in VCAP/dialog box Video Format).


Information on the faults of the Windows Tseng drivers
------------------------------------------------------

8-bit Windows driver:
 DOS prompt: In some cases problems may occur. When leaving the
 DOS level Windows has a black background and only the image borders are displayed.
 This problem also occurs in the Video Select Preview function.
 To solve the problem, restart Windows.

Designer 4.0 and 24-bit driver:
 The Designer 4.0 buttons have a black background.

VLB-boards with more than 33 MHz CPU clock
------------------------------------------
The ET4000/W32p is not able to run on a VLB-motherboard with a
CPU clock higher than 33 MHz. So the miroVIDEO 20TD live can only be used in
VLB computer with a clock of max. 33 MHz.