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DSP 4x4 Operations Manual Rev E 

Page 12 

Table of Contents

 

 

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Damages resulting to the product which are not covered under this warranty can be factory-
repaired at cost to the customer. Use the contact information below to initiate the repair process. 

9.3

 

Non-warranty Repairs 

An estimate for all non-warranty repairs will be provided to the customer once the unit has 
been shipped to the factory. The customer is responsible to approve this estimate within 7 
days. If the repairs are not approved within 14 days, Stewart Audio reserves the right to 
consider the unit scrap and may discard it. Payment for non-warranty repairs must be 
submitted to Stewart Audio before the product will be returned to the customer. 

10

 

Return Procedure 

All returns to the factory for service must be accompanied by a Return Authorization (RA) number. 
One can be obtained by contacting Stewart Audio at (209) 588-8111 or via e-mail at 
[email protected].  

NOTE: Any defective products received without an RA number will be returned to sender at 
their expense.  

If Stewart Audio is unable to contact the sender in 14 days, the merchandise will be considered 
scrap and may be disposed of. 

10.1

 

Shipment Instructions 

 

If Stewart Audio requests that you ship the defective product back to their service  center, 
please refer to the guide below. To ensure prompt warranty service, be sure to follow all 
instructions. 

 

Return Authorization (RA) is required for product being sent to the factory for service.  

 

See packing instructions in 

Section 10.2.

 

 

Ship  the  defective  product  using  a  method  which  provides  for  order  tracking  or  order 
confirmation.  The service center is located at the following address: 

Stewart Audio 
14335 Cuesta Court Suite C 
Sonora, CA 95370 

 

Use a bold black marker and write the RA number on three sides of the box. 

Record the RMA number for future reference. The RA number can be used to check the repair 
status. 

10.2

 

Packaging Instructions 

Should Stewart Audio request that you ship your product to their service center, these instructions 
must be followed in order to ensure safe delivery. If they are not followed, Stewart Audio assumes 

Summary of Contents for DSP 4x4

Page 1: ...roduce heat 10 The unit should only be connected to 120 240VAC 50 60 Hz power supply Use only the power adapter that is sold with the unit 11 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point they exit from the apparatus 12 Only use attachments accessories specified by the manufacturer 13 Unplug this apparatus during lightning storms...

Page 2: ...e is intended to alert the user to the presence of important operating and maintenance servicing instruction in the literature accompanying the appliance 3 2 Warnings WARNING TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE DO NOT OPEN THE CABINET REFER SERVICING TO QUALIFIED PERSONNEL ONLY 3 3 User Respo...

Page 3: ... 2 4 Table of Contents 3 5 Welcome 4 5 1 Features 4 5 2 Unpacking and Visual Inspection 4 5 3 Installation and Setup 4 5 3 1 Mounting 4 5 3 2 Product Dimensions 6 5 3 3 Input Connections 6 5 3 4 Output Connections 7 5 3 5 RS 232 Connection 8 6 Controls and Indicators 9 7 Technical Specifications 10 8 Troubleshooting 11 9 Warranty Information 11 9 1 Warranty Summary 11 9 2 Eligibility Requirements ...

Page 4: ...oftware An RS 232 connection is provided for remote control of the muting preselect and output volume functions The enclosure occupies a 1 3 x 1RU rack space Single and dual rack mount kits are available from Stewart Audio This product is proudly manufactured in the United States 5 2 Unpacking and Visual Inspection Every Stewart Audio product is carefully tested and inspected before leaving the fa...

Page 5: ...e available for mounting the unit where desired CAUTION Use only the screws provided in mounting the brackets to the unit Do not over tighten 5 3 1 3 Rack Mounting Two rack mount kits are available for the DSP4x4 a single rack mount RMK CMP S and a dual rack mount RMK CMP D These can be ordered from your Stewart Audio dealer or directly from Stewart Audio The following diagrams show how these are ...

Page 6: ...ins of the DSP 4x4 s Phoenix connector respectively Diagrams have been provided for standard XLR and TRS connectors Please refer to the manual of your input source in case it does not follow the standard pin out Caution Incorrect wiring may result in damage to equipment 5 3 3 2 Unbalanced Connections When using an unbalanced input source and connector a jumper must be added between the negative te...

Page 7: ... Center Software or using RS 232 commands documented in Section 5 3 5 When phantom power is being supplied on a channel the appropriate LED indicator on the rear of the DSP 4x4 will illuminate Caution Microphones or other input devices which do not require phantom power can be permanently damaged by the application of phantom power Stewart Audio will not be held responsible for damage to these dev...

Page 8: ...03 VOLUME_STATUS Return CHAN2 volume in the format 0x06 VOL 3 0x0A 0x12 0x07 CHAN 2 0x03 FORCE_MUTE_ON Turn mute off for CHAN2 0x12 0x08 CHAN 2 0x03 FORCE_MUTE_OFF Turn mute on for CHAN2 0x12 0x09 CHAN 2 0x03 MUTE_TOGGLE Toggle mute on CHAN2 0x12 0x10 CHAN 2 0x03 MUTE_STATUS Return CHAN2 mute status in the format 0x06 MUTE5 3 0x0A 0x12 0x11 CHAN 2 0x03 CHANGE_PRESET Change to PRESET 0x12 0x12 PRES...

Page 9: ...d 3 Power Connector 3 5mm connect power adapter supplied with unit only 4 Output Connectors 3 5mm connect to input of next device in the signal chain 5 Input Connectors 3 5mm connect to source s 6 Phantom Power Indicator LEDs illuminate when phantom power is applied to the corresponding channel in DSP Control Center program 7 RS 232 Connector 3 5mm connect to RS 232 controller optional ...

Page 10: ...ro block LED indicators Power phantom power 1 channel Controls USB programming RS 232 operation Serial control port Bi directional RS 232 Baud rate protocol 9600 baud 8 bits no parity no flow control USB control port Front panel female mini USB B USB standard USB 2 0 low speed Program control Stewart Audio DSP Control Center Power supply input External in line 5VDC Universals input AC DC included ...

Page 11: ...ies unless excluded in this summary are covered by a 3 year limited warranty on parts and labor from the data of purchase In order to be eligible for warranty repairs the products and accessories must have been purchased through an authorized Stewart Audio dealer and submitted by the original purchaser This warranty is only valid in the country in which the product was purchased 9 2 Eligibility Re...

Page 12: ...ducts received without an RA number will be returned to sender at their expense If Stewart Audio is unable to contact the sender in 14 days the merchandise will be considered scrap and may be disposed of 10 1 Shipment Instructions If Stewart Audio requests that you ship the defective product back to their service center please refer to the guide below To ensure prompt warranty service be sure to f...

Page 13: ...ct it is important that it has adequate protection We recommend you use the original packing material when returning the product for repair If you do not have the original box see number 4 4 If you provide your own shipping pack use materials adequate to prevent damage during transit Make certain that the product is NOT free to move within the package as this is the most common cause of damage 5 S...

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