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Adjusting the Level for a Zone
NOTE: The level setting is music dependent, and not all levels are appropriate for all types of music. For
example, if you adjust the level setting for rock music, then listen to classical music, it could result in distortion
due to clipping.
1 Using a flat screwdriver, adjust the LEVEL dial for the zone to MIN by turning the dial counter-clockwise.
2 Begin playing audio on the stereo, and set the zone line out to approximately
3 Slowly adjust the LEVEL dial for the zone clockwise toward the MAX setting while listening to the speakers
connected to that zone.
4 When the sound from the speakers becomes distorted, stop adjusting the dial, and slowly adjust the dial
counter-clockwise again until the distortion is gone.
5 Repeat this procedure for the other zones.
Configuring the Amplifier for a DSP Compatible Stereo
If your stereo features digital signal processing (DSP), such as a Fusion Apollo RA770, you should use the
Fusion-Link app when configuring the amplifier for the best results.
1 Follow the instructions in your stereo owner's manual to download the Fusion-Link app and connect it to the
stereo.
2 Select the appropriate stereo, amplifier, and speakers in the Fusion-Link app.
3 Follow the instructions in the Fusion-Link app to adjust the configuration controls on the amplifier.
Specifications
Amplifier class
Frequency response
Peak power output
Input impedance
Signal to noise ratio
Separation/crosstalk
High-pass/low-pass filter
Filter crossover frequency
Filter crossover slope
Bass boost
Remote turn-on
Protection circuits
Compass-safe distance
Operating temperature range
Storage temperature range
Water rating
Weight
Class D
10 Hz to 40 kHz (-3 dB @ 4 Ohm rated power)
1500 W
7 kOhm nominal
85 dB @ rated power output, 4 Ohm
53.1 dB @ 1 W, 4 Ohm
60 dB
User selectable
32 Hz to 320 Hz, user adjustable
12 dB/octave
0 to 9 dB, user adjustable (ZONE 3 only)
6 Vdc threshold
Reverse voltage
Input under/over voltage
Over temperature
Output short circuit
55 cm (22 in.)
From 0 to 50°C (from 32 to 122°F)
From -20 to 70°C (from -4 to 158°F)
Must be installed in a dry location
4.5 kg (9.9 lb) with the cover installed
3
/
volume.
4
13
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