Directed Audio XTR Amplifier XTR2504 - Manual (Page 16)

© 2008 Directed Electronics. All rights reserved. 15
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Testing the System
After you have completed the installation, you need to test the
system . this will help ensure years of trouble-free operation . Please
refer to the listed steps below when testing the sound of your orion
system .
Check all the wiring connections to be sure they are correct and 1 .
secure .
turn the signal source volume control all the way down . set any
2 .
tone controls to their flat or defeated positions . this includes the
loudness control .
turn the level controls of the amplifier to their minimum posi-
3 .
tions .
turn the source unit on . Check to see if the power LeD located
4 .
on the top of the amplifier is on . If not, please refer to the Power
Connections and the Troubleshooting Tips sections of this manual
for instructions .
If using an aftermarket source unit, turn the level controls of the
5 .
amplifier about one quarter of a turn . slowly increase the volume
level of the source unit to so that you can hear the output of the
system . If no sound is heard or if the output is distorted, turn the
system off immediately . Refer to the Power Connections and the
Troubleshooting Tips sections of this manual to solve your instal-
lation problems .
Check to make sure the output for each channel is correct . If the
6 .
active crossovers are used, check to make sure that each output is
correct from the amplifier . When using active crossovers on mid-
range and tweeters, do not use crossover frequencies lower than
recommended . If the system is not configured properly, refer to
the Internal Crossover Configuration section of this manual and
take corrective action .
If the output is clear and undistorted, continue to the
7 . Adjusting
the Sound of the System section of this manual .
Adjusting the Sound of the System
once you have checked the system’s operation, adjust the sound of
the system . Adjusting the sound of the system is accomplished by set-
ting the level controls and adjusting the internal crossovers .
turn the signal source volume control all the way down . set any 1 .
tone controls to their flat or defeated positions . this includes the
loudness control .
turn the level controls of the amplifier to their minimum posi-
2 .
tions .
Choose music with high dynamic content that you like, with which
3 .
you are familiar, and will be used most often in the system .
turn the source unit’s volume control up to its highest undis-
4 .
torted output level . If you lack test equipment, this point occurs
between 3/4 to full volume depending on the quality of your
source unit . Listen for any audible distortion . If any distortion
is audible, reduce the volume of the source unit until you have
an undistorted output . Leave the volume control at this position
during your system tuning .
While listening to your chosen dynamic music, turn up the level
5 .
control corresponding to the midrange output until you hear