Crown IQ P.I.P.-DSP Reference Manual Download Page 1

103291-2

9/99

Printed on

recycled paper.

©1999   by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 219-
294-8000. The 

IQ–P.I.P.–DSP is produced by Crown International, Inc. Trademark Notice: MPX-6

SMX-

6

SmartAmp

 and 

Macro Reference

 are trademarks and 

Amcron

®

Crown

®

IQ System

®

IOC

®

ODEP

®

,

Macro-Tech

®

Com-Tech

®

 and 

P.I.P.

®

 are registered trademarks of Crown International, Inc. Other

trademarks are the property of their respective owners.

An IQ System

®

 Programmable Input Processor with DSP

for Crown

®

 P.I.P.

®

-compatible Power Amplifiers

Summary of Contents for IQ P.I.P.-DSP

Page 1: ...Crown International Inc Trademark Notice MPX 6 SMX 6 SmartAmp and Macro Reference are trademarks and Amcron Crown IQ System IOC ODEP Macro Tech Com Tech and P I P are registered trademarks of Crown I...

Page 2: ...NEW Crown prod uct for a period of three 3 years from the date of purchase by the original purchaser the warranty period that the new Crown product is free of defects in materials and workmanship We...

Page 3: ...ety When the provided plug does not fit into your outlet consult an electrician for replace ment of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs...

Page 4: ...www crownaudio com WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE FCC COMPLIANCE NOTICE This equipment has been tested and found to comply with the limit...

Page 5: ...tween yourself and the amplifier while inserting the module into the P I P card rails in the next step 8 Install the IQ P I P DSP into the amplifier Standard P I P Amplifiers Align the edges of the IQ...

Page 6: ...6 A Closer Look at Crown Bus Wiring 12 3 7 A Closer Look at Audio Signal Wiring 14 3 8 When External Power is Needed 14 4 Operation 15 4 1 Power Standby Indicators 15 4 2 IOC Event Monitor 15 4 3 Inpu...

Page 7: ...and a variety of other useful features similar to those included with our other SmartAmp IQ P I P s The module is powered by the amplifier an external AC power adapter may be re quired with certain am...

Page 8: ...to the back panel of the amplifier with two phillips head screws and star tooth lock washers The lock washers are required for proper ground connection B Balanced Audio Inputs A 3 pin female XLR conne...

Page 9: ...C 7926 6 is available from Crown See Section 3 8 CAUTION Use only an individual isolated power sup ply for each IQ P I P DSP Do not attempt to share a common power supply with more than one unit or t...

Page 10: ...ple an IQ System has two Crown Bus loops 1 and 2 and this IQ P I P DSP is to be installed into loop 1 and given an address of 77 No other IQ P I P DSP can be given the same address in loop 1 However a...

Page 11: ...P I P DSP in the P I P card rails and firmly push the unit in until it is seated against the mounting bracket see Figure 3 3 PIP2 Amplifiers Connect the PIP2 input adapter to the two input cables of t...

Page 12: ...to configure the scale factors differently for each channel 3 6 A Closer Look at Crown Bus Wiring The IQ P I P DSP must be connected to a Crown Bus loop having an IQ2 compatible IQ interface in order...

Page 13: ...d from stage monitor amplifiers along unused wire pairs in a mic snake If this is done do not use the ground wire which is nor mally connected to pin 1 on an XLR connector or data noise will be added...

Page 14: ...2400 24x6 3600VZ and 36x12 We sug gest that a 400 mA 24 VDC supply be added for these amplifiers as a safety measure to be certain that adequate power is available Note Actually external power of only...

Page 15: ...is occurring 4 3 Input Signal Level Monitor The input signal level of each channel can be moni tored by IQ software This monitor feature has a range from 20 dBu to 40 dBu in dB steps 4 4 Output Signal...

Page 16: ...before the threshold of the input protection limiter is exceeded 4 11 Auto An Auto function Auto System Actuate or ASA is available to provide consistency with other IQ components in the IQ System It...

Page 17: ...is not missed when a voice page suddenly causes the Auto Standby function to turn a high voltage supply back on 4 15 ODEP Limiter The effects of ODEP limiting the drive level of the output devices as...

Page 18: ...many as eight different cascaded filters the actual number depends on the mix of filters chosen and the total number of required filter cells There are seven different filter types from which to choos...

Page 19: ...the transient response and visa versa Gain examples A Q of 2 will result in 6 dB of gain at the center frequency and a Q of 4 will result in 12 dB of gain CAUTION Avoid excessive Q s High Pass Equali...

Page 20: ...the Crown Bus ports to maintain the continuity of the IQ communication loop even if the IQ P I P DSP loses power 4 26 Data Signal Presence Indicator A Data Signal Presence Indicator DSPI is provided o...

Page 21: ...essor limiters then allow dynamic scaling of signals for many applica tions via common parameters such as threshold ratio etc The ODEP conservation limiters then provide system protection with dynamic...

Page 22: ...s are used here such as threshold attack time etc Next the output limiter is processed through control lable polarity inverters The last processing section is an output muter after which the signal is...

Page 23: ...wn Bus Data Communication Protection If communication is lost the unit will con tinue to function with the last commands received Data Rate 38 4 K BAUD Data Format Serial binary asynchronous 1 start b...

Page 24: ...N OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON 2 OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON...

Page 25: ...ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON OFF OFF 4 OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON...

Page 26: ...ement Your repaired unit will be returned via UPS ground Please contact us if other arrangements are required Factory Service Shipping Instructions 1 When sending a Crown product to the factory for se...

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