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SOUND BOARD DIAGNOSTICS
Depress DIAGNOSTIC pushbutton on the bottom of the Sound Board. A check is made of the
Sound ROM and sounds are produced if the check is good. If sounds are produced but not
produced in Audio Test 5 check for ROM board PIA outputs on Sound Board inputs that is
stuck low. If no sound is produced either the Sound ROM, input power, or other Sound
Board circuitry is faulty.
"Warning: This equipment generates, uses, and can radiate
radio frequency energy and if not installed and used in
accordance with the instructions manual, may cause
interference to radio communications. As temporarily
permitted by regulation it has not been tested for
compliance pursuant to Subpart J of Part 15 of FCC Rules,
which are designed to provide reasonable protection against
such interference. Operation of this equipment in a
residential area is likely to cause interference in which
case the user at his own expense will be required to take
whatever measures may be required to correct the
interference."