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Input Level Adjustment Control
The rear panel Input Level adjustment screws allow you to adjust the level of the
amplifier relative to other amplifiers in your system and / or to limit maximum safe
gain to protect speakers in the system .
NOTE: Start this adjustment with the Input Level Adjustment Controls at their
factory default . (12:00 position) .
For systems that have multiple amplifiers and / or operated by remote
control; i.e. in-wall volume controls, touch pads, etc.,
Use the Input Level Control to achieve a "maximum" desired listening level across
all of the amplifiers / zones, following these steps:
1 .
Lower the Input Level Controls to the minimum position . If there are any
other amplifiers in the system, lower their respective Input Level Controls
to their minimum (all amplifiers in your system must have level controls .)
2 .
Raise all of the individual in-wall volume controls to their loudest setting .
3 .
Play a loud radio station with the tuner set to Mono .
4 .
Raise the volume of your preamplifier or receiver SLOWLY – if you hear
any sound, lower the volume and recheck that all of your amplifiers
Input Level Controls are turned to their minimum . They must be at their
minimums . Raise the volume again on your preamplifier or receiver
SLOWLY . If no sound is heard, proceed to step five .
5 .
Have someone step into each room and listen as you adjust each Input
Level Control to the desired maximum level for that room . (Special note:
There is a potential of running the amplifier into "clipping distortion" and
/ or "protection shut-down" by sraising the Input Level Controls to their
extreme . Please review "Listening at Higher Volumes" following this
section .)
• In applications with multiple amplifiers, step between the different zones /
rooms and adjust the Input Level Controls of each additional amplifier to
best match the volume of the first amplified zone / room .
• With independent Input Level Controls for each channel, volume balance
between speakers within the same room is possible, allowing fine volume
tuning for the most appropriate listening position variables .
Operation
18
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Troubleshooting
