OWNER' S MAN U A L - 14
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.
1. Check all the wiring connections to be sure they are correct and
secure.
2. Turn the signal source volume control all the way down. Set any
tone controls to their flat or defeated positions. This includes
theloudness control.
3. Turn the level controls of the amplifier to their minimum posi-
tions.
4. Turn the source unit on. Check to see if the power LED located
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.
5. If using an aftermarket source unit, turn the level controls of the
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.
6. Check to make sure the output for each channel is correct. If the
active crossovers are used, check to make sure that each output is
correct from the amplifier. When using active crossovers on
midrange 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.
7. If the output is clear and undistorted, continue to the 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
setting the level controls and adjusting the internal crossovers.
1. Turn the signal source volume control all the way down. Set any
tone controls to their flat or defeated positions. This includes the
loudness control.
2. Turn the level controls of the amplifier to their minimum positions.
3. Choose music with high dynamic content that you like, with
which you are familiar, and will be used most often in the system.
4. Turn the source unit’s volume control up to its highest undis-
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.
5. While listening to your chosen dynamic music, turn up the level
control corresponding to the midrange output until you hear
SET UP AND TROUBLESHOOTING
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