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the up/down enclosure orientation is
correct for the application.
Distorted sound Failed internal component(s) Using the DSAPilot’s Service Mode,
check the operation of each amplifier
and driver.
Distorted sound Excessive levels Using the DSAPilot, monitor the DSA
signal path to check for clipping
at all monitoring points.
Distorted sound Bad input signal Use a substitute amplifier and
loudspeaker to check the quality
of the input signal to the DSA
Series loudspeaker.
EIA-485
No computer communication Incorrect PC set-up Follow the instructions in the
DSAPilot Help File for setting up
communications between the PC
and the DSAPilot
No computer communication Incorrect connections Check that EIA-485 cabling to
both the computer and the
loudspeaker is wired correctly for
the +/- signal wires and cable shield.
No computer communication Incorrect termination Ensure that a termination is engaged
at the EIA-485 port at the computer
and the Terminate Switch is “ON” at
the loudspeaker at the farthest end of
the EIA-485 cable run. All other
Terminate Switches should be “OFF”.
No computer communication Loudspeaker is powered off Ensure the loudspeaker is powered on.
No computer communication or Improper network Ensure the EIA-485 cabling and
only with some loudspeakers configuration termination conforms to the notes
in Section 8.3.
No computer communication Improper link connections Ensure the EIA-485 only cabling
with some loudspeakers between loudspeakers and/or the supplied RJ-45 Signal
Link Cables are connected between
loudspeakers as detailed in this
manual.
CobraNet™
Audio signal or computer Network cabling does Ensure Ethernet cabling meets
communication not functioning not meet specification IEEE 802.3u specifications for
or not functioning correctly 100BASE-T networking.
Audio signal or computer CM-1 Interface Card Replace with a known good CM-1
communication not functioning malfunctioning Interface Card to determine if the
or not functioning correctly removed card is faulty
Other CobraNet™ problems Network or digital audio Refer to either IEEE 100BASE-T or
not properly implemented Peak Audio documentation to
troubleshoot network or digital
audio difficulties.
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