MartinLogan Speaker user manual Controls and Connections

Page 7

configuration of your listening environment, the placement of the unit, and your seating arrangement. Due to the way bass sound waves develop in different rooms, there is no rule of thumb for setting phase. For instance, if your room has a peak at the subwoofer crossover area, you may wish to set the phase so the actual acoustic outputs of the subwoofer and main speakers are out of phase. Experiment, try dif- ferent settings and be patient.

Power

The Auto/On/Standby switch controls Descent i’s energy saving feature. When set to 'Auto', the Descent i will turn on when a music signal is detected and off when there is none. The 'On' setting prevents the Descent i from enter- ing energy saving mode. The 'Standby' setting forces the Descent i into energy saving mode. While set to 'Standby’, the Descent i will not operate.

25Hz & 50 Hz Level

The 25Hz & 50Hz Level knobs significantly adjusts fre- quencies where peaks and dips of different amplitudes often manifest in real world environments. The ideal set- ting is dependent on room size and construction, system configuration and personal preference.

High Pass Filter: Out

The High Pass Filter: Out control filters the signal output from the Right Out and Left Out connections.

Status Light

See descriptions of the status light on page 8. The top con- trol panel status light functions identically to the back plate status light.

Figure 2. Graphs demonstrating the frequencies effected by the 25Hz Level and 50Hz Level controls

Controls and Connections 7

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Contents S C E N T TM Center Speaker Size Page Contents & Introduction Installation in Brief Controls and Connections Accessing the Control PanelControl Panel Controls and Connections Rear connection panel Rear Connection PanelSignal connection for 2-channel mode Channel ModeSignal connection for multi-channel mode Multi-Channel ModeSignal connection for 2-channel/multi-channel mode Channel/Multi-Channel ModeChannel Mode Using Speaker Level Inputs Why the Filters Are Not Equal Channel Mode With 2-Channel OutputSub Out-Using Multiple Subwoofers Replacing the Fuse AC Power ConnectionBreak-In Ask Your Dealer PlacementInstalling in a Cabinet Listening PositionYour Room Room AcousticsTerminology ETC Spike Solid FootingHome Theater Martinlogan Exclusives Frequently Asked Questions Frequently Asked Questions & TroubleshootingTroubleshooting Dimensional Drawings General Information SpecificationsWarranty and Registration ServiceGlossary of Audio Terms Glossary of Audio TermsGlossary of Audio Terms Page Page MartinLogan. All rights reserved Rev. #110206