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Related Manuals for Symetrix 371 SPL
Summary of Contents for Symetrix 371 SPL
- Page 1 371 SPL Computer User’s Guide...
- Page 2 Safety User’s Guide 6408 216th Street SW Mountlake Terrace, WA 98043 USA +1.425.778.7728 +1.425.778.7727 | www.SymetrixAudio.com...
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Page 3: What Ships In The Box
Canada. tripod, bracket, or table User Serviceable Parts: There are no specified by the manufacturer, user serviceable parts inside this Symetrix or sold with the apparatus. product. In case of failure, customers When a cart is used, use inside the U.S. should refer all servicing to caution when moving the cart/apparatus the Symetrix factory. -
Page 4: Feature Summary
Install a simple, precise and cost-effective solution: monitors ambient noise levels continuously, not just during the 371 SPL Computer, backed by over 15 years of SPL gaps in the audio program, and responds quickly to sudden processing innovation from Symetrix, the engineering-driven changes. -
Page 5: Front/Rear Panel
7-pin DIN Connector Connect the 7-pin DIN plug end of a Symetrix PS-3 (115 VAC) or PS-3E (230 VAC) here. Connect the AC power connector end of the PS-3 or PS-3E to an AC power source that is of the correct voltage and frequency as marked on the PS-3 or PS-3E. -
Page 6: Basic Setup
RIGHT LEFT PS-3 OR PS-3E POWER SUPPLY ONLY CONÇU ET ASSEMBLÉ DES MATÉRIAUX DES ÉTATS UNIS ET IMPORTÉS PAR SYMETRIX, INC. MOUNTLAKE TERRACE, WA USA. PAS DES ELEMENTS SERVIABLE PAR UTILISATEUR Connect Output Amplifier to Amplifiers, EQs, Speakers, etc. Speakers... - Page 7 Consumer as the end-user of the Products. To the fullest extent permitted by law, SYMETRIX, INC is not liable for any and all claims, losses, costs, or unforeseen damages of any nature whatsoever.
- Page 8 371. The value of the potentiometer isn’t critical; anything between CONÇU ET ASSEMBLÉ DES MATÉRIAUX DES ÉTATS UNIS ET IMPORTÉS PAR SYMETRIX, INC. MOUNTLAKE TERRACE, WA USA. 10k and 100k (linear taper) will do. For best PAS DES ELEMENTS SERVIABLE PAR UTILISATEUR...
- Page 9 Such a switch might be a push-to-talk switch contact within a microphone or a manual CONÇU ET ASSEMBLÉ DES MATÉRIAUX DES ÉTATS UNIS ET IMPORTÉS PAR SYMETRIX, INC. MOUNTLAKE TERRACE, WA USA. PAS DES ELEMENTS SERVIABLE PAR UTILISATEUR switch on a control panel. One isolated SPST (single pole single throw) normally open contact is required.
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Page 10: Input/Output Wiring
IMPORTANT NOTICE The wiring diagrams on this page are included for information purposes only. Symetrix can not anticipate exactly what connection TS 1/4" Plug [unbalanced] is needed at the non-371 end of the cable. It is the user’s responsibilty to determine what... -
Page 11: System Setup
System Setup 371 SPL Computer System Set-up Checklist Required Recommended Optional Task to do Choose Operating Mode View calibration Status Collect History of highest and lowest SPLs View Sense levels Enable Phantom Power Set Sense Input Gain Specify Output Trim... - Page 12 System Setup User’s Guide Press NEXT to advance through the different Status Menu selections Displays the current calibration status of the 371. Cal: Startup Screen Ambient signal level measured at the last sense period. Startup Screen displays current gain applied by the unit. When the 371 senses a signal at the DUCKER INPUT, Duck Min: displays.
- Page 13 System Setup 371 SPL Computer Set MIN Limit Ducker Depth –30 dB up to the actual setting of the maximum limint in 1 0 dB to –40 dB dB increments To set the ducking range. Upon ducking, the program To adjust the lowest gain setting that the 371 uses. This outputs drop according to the value selected.
- Page 14 Calibration User’s Guide What Does Calibration Do? When the LCD menu displays Adjust to Maximum, turn ADJUST to set the maximum gain for the program output. The calibration process correlates the current ambient noise The gain range is 0 dB to +20 dB in 1 dB steps. level to 0 dB (unity) gain.
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Page 15: Block Diagram
Block Diagram 371 SPL Computer LINE LINE OUTPUT INPUT LEFT LEFT INPUT LINE DETECT LINE OUTPUT INPUT RIGHT RIGHT INPUT DUCKER CONTROL AVERAGE LEVEL INPUT ADJUST DETECT CALIBRATE REMOTE MENU EXIT GAIN AVERAGE DC AMP LEVEL MENU NEXT DETECT PHANTOM... -
Page 16: Troubleshooting
Troubleshooting User’s Guide No output signal Unit does not control levels as expected Check to see that the LCD display is illuminated and the unit Using headphones connected to the front panel headphone is plugged in. jack, listen to the sense signal to verify that the SENSE INPUT is receiving a signal that accurately represents Check cables and connections to see if: ambient noise conditions. - Page 17 Troubleshooting 371 SPL Computer Hum or buzz in output Check input connector wiring. Check for a ground loop problem. Inspect related system equipment grounding to see that all system components are on the same AC ground. Distortion Check input signals for distortion.
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Page 18: Specifications
These parameters are: minimum and maximum gain through the device, noise sensing We, Symetrix Incorporated, 6408 216th St. SW, Mountlake Terrace, protocol, gain:sense ratio, ducker control, output trim, and averaging Washington, USA, declare under our sole responsibility that the time. -
Page 19: Warranty And Service
We won’t the product within the specified warranty period. return the unit in anything but Symetrix packaging for which we will have Symetrix does not authorize any third party, including any dealer or to charge you. - Page 20 User’s Guide © 2009 Symetrix, Inc. All rights reserved. Printed in the United States of America. The information in this document is subject to change without notice. Symetrix, Inc. shall not be liable for technical or editorial errors or omissions contained herein; nor is it liable for incidental or consequential damages resulting from the furnishing, performance, or use of this material.
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