Digigram VX820 User Manual

Digigram

VX820

Professional Audio Card

User’s manual

Digigram

2

Information for the user

This device complies with part 15 of FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) This device must accept any
interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a CLASS B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions
contained in this data sheet, may cause harmful interference to radio and television communications.
However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
* reorient or relocate the receiving antenna
* increase the separation between the equipment and the receiver
* connect the equipment into an outlet on a circuit different from that of the receiver
* consult the dealer or an experienced audio television technician.

NOTE:

Connecting this device to peripheral devices that do not comply with CLASS B
requirements or using an unshielded peripheral data cable could also result in harmful interference
to radio or television reception. The user is cautioned that any changes or modifications not
expressly approved by the party responsible for compliance could void the user’s authority to
operate this equipment. To ensure that the use of this product does not contribute to interference, it
is necessary to use shielded I/O cables.

EMC:

This card has been tested and found to comply with the following standards:

· International: CISPR22 Class B.

· Europe: EMC 89/336/CEE (1992) specifications.

· United States: FCC Rules-Part 15-Class B (digital device).
In order to guarantee compliance with the above standards in an installation, the following must be done:

· Connectors must have a conductive shell.

· Cables must be shielded and their shield must be tightly connected to the shell of the connectors.

· A good contact must exist between the bracket and the PC frame.

Copyright 1999 Digigram.All rights reserved.
No portion of this manual may be reproduced without prior written consent from Digigram. The copyright protection
claimed here includes photocopying, translation and/or reformatting of the information contained in this manual.
Digigram is not responsible for errors and odmissions and reserves the right to make improvements or changes without prior
notice.

Digigram and Xtrack are registered trademarks of Digigram. PCXpocket, PCXtools and PCX Designer Kit
are trademarks of Digigram. Other trademarks are property of their respective holders.

OVERVIEW

Features

· Audio card for PCI bus.

· 2 analog mono inputs.

· 1 digital stereo input.

· 8 analog mono outputs.

Hardware requirements

· One card slot, PCI 2.1 compliant.

· One available IRQ line (level sensitive).

· 256 bytes of available I/O space.

HARDWARE INSTALLATION

Installing the card

Check for a free PCI extension slot and gently insert the card. Press down to
set it firmly into the slot and tighten the screw.

Input impedance settings

Input impedance can be selected by the bank of two switches SW1,

· 600O : All two switches ON

· High (> 10k O) : All two switches OFF

Interrupt request

The Interrupt Request (IRQ) number is set up at start-up by the PCI PnP
BIOS. Be sure there is at least one IRQ resource available.

I/O address

Addresses are set up at start-up by the PCI PnP BIOS.

Thermal issues

Under heavy use, temperature may increase. Therefore, cards should be
installed vertically and an additional fan in front of the cards may be
necessary.

SOFTWARE INSTALLATION (WAVE DRIVER)

Please refer to the installation documentation which is delivered with the
driver. It details the installation procedure to follow depending on your
Windows environment.
No driver disk is delivered with this card. Please ask your supplier for an
updated driver. Make sure that the driver has been approved by your supplier.
Your application may request the use of a specific driver.

VX820

User’s Manual

3

Software requirements

· WAVE VX driver V2.20 or
higher