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Crown PIP-LITE, Справочное руководство

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Networked PIP Series

page 38

Reference Manual

The SLM tab allows you to test network-PIP components for impedance vs. frequency and 
frequency response. The USP3 and USP3/CN include a signal generator to provide a swept 
sine-wave signal for the tests. Described below are the three sections of the SLM tab: 
Sweep, Channel SLM and Tolerance.

Sweep

The Sweep section of the SLM tab is used to set the sine-wave sweep parameters:
• Start frequency
• Stop frequency
• Sine Wave Generator Signal Level (– infinity to + 20 dBu)
• Resolution (frequency step size of the test sweep)

You can set the sweep’s start and stop frequencies either with the Start and Stop drop-down 
menus, or with the sliders on the frequency scale at the bottom. IQwic maintains  at least
1/24 octave difference between the Start and Stop frequencies.

Note: Please see the online help for assistance with the software navigation.

Channel System and Load Monitoring

This section of the SLM tab (one section per channel) allows you to set up tests. Basically 
you run a reference curve on a known good component, then run tests at a future date. 
Those test results will be compared to the measured reference values.

The 

Mode

 drop-down menu selects the type of test:

• 

Off-Pass 

means that no testing actually is taking place. The PIP reports back a "pass" 

condition so that errors are not triggered.
• 

Impedance Test

 means that the PIP card measures the impedance of the load currently 

connected to the amplifier and compares it to the reference curve stored earlier. If it is out of 
tolerance then the software reports an error.
• 

Frequency Test 

means that the PIP card measures the frequency response of the amplifier 

and DSP, and compares it to the reference stored earlier. If it is outside of the tolerance then 
the software reports an error.
• 

Imp./Freq. Test

 combines both of the tests above.

Содержание PIP-LITE

Страница 1: ...pdates to this information may have occurred To obtain the latest version of this manual please visit the Crown website at www crownaudio com Trademark Notice Crown Crown Audio Amcron Com Tech Macro T...

Страница 2: ...adiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarantee that interfer...

Страница 3: ...Criteria B 4k V Contact 8k V Air Discharge EN 61000 4 3 1996 Radiated Radio Frequency Electromagnetic Immunity Environment E2 criteria A EN 61000 4 4 1995 Electrical Fast Transient Burst Immunity Crit...

Страница 4: ...or closest to the corner and the 18 pin cable B should connect to the other connector Important Be careful when attaching the ribbon cable to the connector Applying pressure to an improperly seated co...

Страница 5: ...How to Set Up TCP IP 19 4 1 Introduction 19 4 1 1 Glossary 19 4 2 TCP IP Addressing Rules 21 4 3 Network Setup Wizard 22 5 Operation 24 5 1 Hardware 26 5 1 1 Data Indicator 26 5 1 2 Preset Indicator...

Страница 6: ...by 31 5 2 18 Input Signal Compressor Limiter 32 5 2 19 Peak Voltage Limiter 32 5 2 20 Average Power Limiter 33 5 2 21 Clip Eliminator 33 5 2 22 Thermal Limiter 33 5 2 23 Limiter Tie 33 5 2 24 Load Sup...

Страница 7: ...the PIP USP2 Adapter 58 10 Troubleshooting 60 11 Service 62 11 1 International and Canada Service 62 11 2 US Service 62 11 2 1 Factory Service 62 11 2 2 Factory Service Shipping Instructions 62 11 2...

Страница 8: ...sponse of Amplifier and DSP in dBu 41 5 6 Impedance Plot and Frequency Response Plot 41 6 1 Input Wiring for the PIP Lite and PIP USP3 45 6 2 Input Wiring for the PIP USP3 CN 45 6 3 A TCP IP Network 4...

Страница 9: ...s can also be con nected to the same network used to pass CobraNet audio 1 The audio path in the PIP Lite is processed totally in the analog domain without the inher ent noise induced by analog to dig...

Страница 10: ...eded Save the shipping carton as evidence of damage for the shipper s inspection Even if the unit arrived in perfect condition as most do save all the packing materials NEVER SHIP THE UNIT WITHOUT THE...

Страница 11: ...an aid to the user See Section 4 1 11 D Data Indicator Flashes when the PIP Lite receives a valid command that is addressed to the PIP Lite See Section 4 1 1 E AUX Connector AUX input AUX output and...

Страница 12: ...reset Switch Used to change presets restore settings to factory default or restore all the presets to the factory defaults During operations of the switch the Data indicator flashes as an aid to the u...

Страница 13: ...e PIP USP3 CN receives a valid command that is addressed to the PIP USP3 CN See Sections 5 1 4 and 5 1 7 D Fan Vent E Mounting Holes F Balanced Audio Input Connector Single 5 pin removable barrier str...

Страница 14: ...address as the older current loop Crown bus units did Each PIP as well as all network components comes preprogrammed with a unique network MAC address The IQ or HiQ net address is then set automatica...

Страница 15: ...eful when attaching the ribbon cable to the connector Don t pull cables out if they are short Applying pressure to an improperly seated connector could cause the keying tabs which ensure proper pin al...

Страница 16: ...addressing re read this section as well as Section 4 2 on addressing rules 3 4 1 Wiring Rules Connect each device to the network through its own cable in a Star Network Do not con nect them in a seria...

Страница 17: ...operation PIP USP3 CN ONLY Using a standard CAT5 cable connect the Primary CobraNet connec tor to a 100Mb port on the Ethernet switch that is used to form the CobraNet network For more detail see Sec...

Страница 18: ...of standard balanced audio inputs to act either as CobraNet backup an emergency override of CobraNet audio or as an audio input to the CobraNet network See Section 5 1 6 for additional details The si...

Страница 19: ...P address An identifier for a computer or device on a TCP IP network Each device in a network has its own IP address to identify it Example 126 126 17 42 Networks using the TCP IP protocol route messa...

Страница 20: ...form NETWORK ID SUBNET ID DEVICE ID All devices in the network have the same network ID All devices in a subnet have the same subnet ID There are many resources available on the Internet for IP and su...

Страница 21: ...es are on the same network In the addressing utility described later if items are NOT on the same network they are highlighted in the list 4 Make sure that each component has its own TCP IP address an...

Страница 22: ...and no DHCP server is available Select the card that is connected to the system and click the Next button Discover Devices on the Network This page scans the network for available network devices and...

Страница 23: ...h the addresses assigned to the selected network adapter in the computer You can also Assign IQ Addresses by checking the appropriate box and assigning a range of addresses The wizard is able to avoid...

Страница 24: ...dio control and moni toring of the amplifier A single CAT5 connection to a standard Fast Ethernet network used for CobraNet control provides all of the necessary infrastructure wiring The software can...

Страница 25: ...agram Band Pass Filters and Gain EQ Filters Input Compressor Input Delay EQ Filters Output Delay Output Limiters Output Fader and Mute Input Meter Auto Standby Gate Signal Generators Input Source Sele...

Страница 26: ...Link Activity indicator is provided on the network connector to display the status of the Ethernet connection Whenever the PIP is properly connected to another functioning net work port the indicator...

Страница 27: ...Aux Input Output Connector An RJ 11 connector provides three functions AUX output AUX input and Listen Bus Ana log Listen Bus or foldback is not available in the PIP USP3 CN The AUX output is a mul t...

Страница 28: ...pushbutton located between the Data and Preset indi cators It is activated by a straightened paper clip or similar object This switch can be used to change presets restore settings to factory default...

Страница 29: ...ach audio channel has the following monitors Analog Audio Input The audio input at the Balanced Audio Inputs of the PIP s front panel Switched Audio Input The audio input after the Input Audio Router...

Страница 30: ...indicate the function of the amplifier and its channels For example LOWER RIGHT CLUSTER FOR DELAY 5 2 13 Amplifier Mode The host amplifier s mode status Stereo Dual Bridge Mono or Parallel Mono can be...

Страница 31: ...to the PIP if it detects some catastrophic amplifier failure LOAD If the load monitoring feature is activated an error report can be generated if the load impedance moves outside the pre selected ran...

Страница 32: ...e time it takes the compressor to increase the signal gain by 20 dB The range is from 10 milliseconds to 10 seconds Compression Ratio Sets the compression ratio of the compressor The ratio is the rela...

Страница 33: ...ent amplifier clipping The attack and release times are preset to optimum rates Only one parameter controls this limiter Enable enables or disables this limiter 5 2 22 Thermal Limiter This thermal lim...

Страница 34: ...or report via the network so that high and low load conditions are reported to the software See Section 4 2 18 Report Error to Aux Enables and high or low load error to be reported by the AUX output S...

Страница 35: ...enough for most low impedance loads Higher imped ance loads such as those used in lightly loaded 70V distribution lines may require signal level near 20 dB below rated output The Nominal Load Impedanc...

Страница 36: ...placed anywhere within the system In addition to filtering each possesses up to 24dB of gain The filters will vary based on the firmware and software being run The following filters are available Lowp...

Страница 37: ...A fader to allow the noise level to be controlled 5 3 5 Sine wave Generator A sine wave signal generator allows the mixing of a single tone into the audio signal Typi cal applications can be for the i...

Страница 38: ...see the online help for assistance with the software navigation Channel System and Load Monitoring This section of the SLM tab one section per channel allows you to set up tests Basically you run a r...

Страница 39: ...op down menu or the slider Frequency Tolerance 1 dB to 25 dB one per channel Use the Frequency Tolerance control to set the difference in dB by which a frequency test may vary from the reference and s...

Страница 40: ...hat were gener ated as the result of tests performed These curves are displayed in a separate Curve Viewer Some typical curves are shown in Figures 5 4 5 5 and 5 6 In Figure 5 4 find the File Menu at...

Страница 41: ...page 41 Reference Manual Networked PIP Series Figure 5 6 Impedance Plot and Frequency Response Plot Figure 5 5 Frequency Response of Amplifier and DSP in dBu...

Страница 42: ...ware It allows reliable deterministic trans mission of digital audio over a 100Base T Fast Ethernet network The PIP USP3 CN oper ates as a networked device on a CobraNet network and interfaces digital...

Страница 43: ...read only The intended use is to commu nicate the presently loaded CobraNet module firmware version to a network MAC Address This parameter is configured at the factory and is read only The setting de...

Страница 44: ...s indicate a higher priority One may choose to increase the transmitter priority for an emergency page microphone in a heavily loaded network The Transmit Pri ority object is stored in presets CobraNe...

Страница 45: ...s keep the cables as short as possible Avoid lengths greater than 10 feet 3 meters Do not run the audio input cables together with the high level wiring such as loud speaker wires or AC cords This les...

Страница 46: ...Figure 6 3 shows a typi cal TCP IP network TCP IP offers a number of advantages over other non network communications platforms The use of off the shelf networking hardware This technology makes use...

Страница 47: ...ter acts as a Gateway to allow this communication to exist Any data traffic that is to go to the other network is routed through the IP Router The CobraNet data is held behind but IP data goes through...

Страница 48: ...64 000 and are assigned within the software The Subnet Mask is four numbers 0 255 separated by periods For example a subnet mask of 255 255 25 0 and an IP address of 192 168 0 127 says that all IP ad...

Страница 49: ...verview of CobraNet Peak Audio has provided a number of technical papers that describe CobraNet in detail These papers are available at http www PeakAudio com 6 3 1 Fast Ethernet 100Base T Fast Ethern...

Страница 50: ...reach even further 6 3 2 Audio Specs Sample rate CobraNet can handle sample rates of 48 kHz or 96 kHz but the PIPs work only at 48 kHz They cannot receive audio from devices operating at 96 kHz Bit de...

Страница 51: ...audio traffic on the CobraNet network That is the Conduc tor is the master clock for the rest of the network You choose one device to be the network conductor based on a priority scheme The Con ducto...

Страница 52: ...dwidth The network can be as large as 100MB times the number of ports on the network Another advantage of switched networks is full duplex connections between compo nents A full duplex link allows sim...

Страница 53: ...sed as a control output Pins 2 and 3 function as a control input Pin 5 is a voltage supply pin for use with the control input Pins 1 and 6 support the Listen Bus or Foldback feature in the IQ PIP Lite...

Страница 54: ...set followed by a pause By using the Change Preset AUX input mode and the Flash Preset AUX output mode this allows a remote panel to function as a preset con troller The panel would contain a simple l...

Страница 55: ...shutdown for a fire alarm system A simple switch closure from the alarm system would disable an entire sound system when a fire alarm is activated 7 1 3 Listen Bus Wiring The AUX port is also used for...

Страница 56: ...Ethernet link when lit and the presence of Ethernet traffic when flashing A green 100 MB indicator integrated in the network connector indicates a valid 100 Megabit connection PIP USP3 CN A green LINK...

Страница 57: ...weighted 20Hz to 20kHz Dynamic Range PIP Lite 110 dB A weighted 20 Hz to 20 kHz PIP USP3 105 dB A weighted 20Hz to 20kHz PIP USP3 CN 105 dB A weighted 20Hz to 20 kHz Crosstalk USP3 USP3 CN only 60 dB...

Страница 58: ...in ribbon and 5 pin signal cable connections rather than the modu lar type described in Section 3 3 If you find that your original Com Tech Series or Macro Reference amplifier has the soldered type ca...

Страница 59: ...differences when using the PIP Lite with the IQ PIP USP2 Adapter Different Identification within the software The software recognizes and identifies the IQ PIP USP2 Adapter itself rather than the hos...

Страница 60: ...is not a problem This indicator signals the number of the current preset if active by flashing a series of flashes equal to the current preset number A preset is considered active if the PIP settings...

Страница 61: ...LITE AND IQ PIP USP3 ONLY Problem Yellow LINK ACT indicator is on but green 100 MB indicator in network connector does not illuminate Possible cause Network connection is 10 Megabits 10 Troubleshootin...

Страница 62: ...call Crown s Customer Service at 574 294 8200 or 800 342 6939 extension 8205 For warranty service we will pay for ground shipping both ways in the United States Contact Crown Customer Service to obtai...

Страница 63: ...rton that allows for 2 inch solid Styrofoam on all six sides of unit or 3 inches of plastic bubble wrap on all six sides of unit b Securely seal the package with an adequate carton sealing tape c Do n...

Страница 64: ...receipt of the defective product at our authorized service center or our factory All expenses in remedying the defect including surface shipping costs in the United States will be borne by us You must...

Страница 65: ...urchase price not including interest insurance closing costs and other finance charges less a reasonable depreciation on the product from the date of original purchase Warranty work can only be perfor...

Страница 66: ...Networked PIP Series page 66 Reference Manual THIS PAGE INTENTIONALLY LEFT BLANK...

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Страница 68: ......

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