Owner`s manual

Appendix A: General Troubleshooting Guide

Problem: You can’t get Sound Manager on Mac OS 8 or 9 to recognize

your Echo card.

Solution: The current Mac OS 8/9 driver does not support Sound Manager.

It only supports ASIO based programs.

Problem: You’ve installed the OS X driver, but the hardware isn’t listed in

the System Preferences or the Audio MIDI Setup application.

Solution: Your installation of OS X may be out of date. Try running

Software Update; you’ll find it in the System Preferences.

Problem: You upgraded your computer with a processor upgrade card and

now your Echo card doesn’t work.

Solution: Your Echo hardware is not compatible with processor upgrade

cards. It only supports genuine Apple processors without upgrades. You will

have to uninstall the processor upgrade card to get your Echo card to work

again with your computer.

Problem: You are unable to get your DAT recorder to recognize your Echo

hardware’s S/PDIF output.

Solution: Digital information is transmitted in either of two modes,

“professional” or “consumer.” The professional mode is usually

implemented in devices that are likely to be used in professional recording

environments, whereas the consumer mode is commonly implemented on

equipment designed for home use in the consumer market. The primary

difference between the two modes is in the implementation of the SCMS

copy protection bit, which, in the consumer format, prevents the user from

making digital copies of a digital copy. In most professional equipment, this