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Operation

Output AVB statuses

In the AVB output page, the signal status is visible in the stacked view 2 (refer to

Stacked views

(p.32)).

NOT CONNECTED

The Unit is not connected to any listener.
If unexpected, possible causes are:

• The attempted connection failed.
• An AVB controller requested a disconnection.

To resolve, connect an AVB controller and use it to connect a listener to the Unit.

WAITING REUSE

The AVB stream format has been modied by the AVB Controller, and the AVB talker

interrupted streaming for about 30 seconds to ensure that the previous stream reservations are

released in the network.

WAITING

RESERVATION

The AVB Talker of P1 is waiting for the conclusion of the bandwidth reservation from an AVB

Listener.
If displayed for more than a few seconds:

• Check the network for a disconnected cable.
• Check that the listener is in working order (fully booted).

RESERVATION

ERROR

The bandwidth reservation has failed.
It can also be temporarily displayed when a network cable is disconnected then reconnected.
If displayed for more than a few seconds, check the

List of AVB reservation errors

(p.77).

WAITING START

The bandwidth is reserved but the Unit has received a "stop streaming" command by the AVB

controller: Try disconnecting and reconnecting the stream.

READY

and the

sampling frequency

Waiting for media clock to set up.
If displayed for more than a few seconds, possible cause is: Non-Avnu certied devices on the

network are disrupting the media clock synchronization: preferably use Avnu-certied devices.

STREAMING

and the

stream format

Sending audio stream data.

P1 user manual (EN) version 2.1

Содержание P1

Страница 1: ...P1 user manual EN ...

Страница 2: ...ual EN version 2 1 Distribution date October 19 2018 2018 L Acoustics All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means without the express written consent of the publisher ...

Страница 3: ... and control 13 User interface 13 L NET remote control network 13 Preventive maintenance 14 CHK External structure 14 CHK Network functionalities and rmware 14 Installation 15 Mounting 15 Ventilation 15 Connecting to AC mains 16 Electrical speci cations 16 Power cord 16 Plugging to AC mains 16 Power consumption 16 Audio and network cabling 17 Connection panels 17 Cabling example 19 General Purpose...

Страница 4: ...d AVB 34 Mapping AVB 37 Mic Line settings 38 Media Player MPL 39 Generator 41 DSP BUS and CUE 42 Source selection 46 Using the menu 47 Con gurations 48 Media Clock 54 Monitoring Info 55 Options 58 Identifying the processor 63 Maintenance 64 Introduction 64 Presentation 64 Equipment and tools 64 Troubleshooting and diagnosis 65 Power issues 65 Interface issues 65 Network issues 66 Error messages 66...

Страница 5: ...al 71 Interface and connectors 71 Inputs and outputs 72 Signal processing 75 P1 Sensor 75 Remote control 75 Physical data 76 Appendix 77 Glossary 77 List of AVB reservation errors 77 Licenses and copyrights 79 Approvals 80 5 ...

Страница 6: ...orporate equipment or accessories not approved by L Acoustics Read all the related PRODUCT INFORMATION documents shipped with the products before exploiting the system Inspect the product before operation If any sign of defect or damage is detected immediately withdraw the product from use for maintenance This product is intended for use by trained personnel Do not use the product outside its oper...

Страница 7: ...dividual or damage to the product It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of the product This symbol indicates a potential risk of electrical injury It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of the product This symbol noti es the user about ins...

Страница 8: ...s dual core DSP platform provides a comprehensive solution for mixing desk selection signal processing and distribution over AVB networks AES EBU or analog lines P1 includes four microphone inputs and an advanced library of acoustic measurement functions for ef cient system tuning The work ow is twofold the impulse responses of all parts of the system are acquired from multiple audience locations ...

Страница 9: ... with DSP preset library and networking capabilities LA4 Ampli ed controller with DSP preset library and networking capabilities P1 AVB processor and measurement platform Rack LA RAK II Touring rack containing three LA12X LA POWER II for power distribution and LA PANEL II for audio and network distribution Software applications Soundvision 3D acoustical and mechanical modeling software LA Network ...

Страница 10: ...by a universal Switched Mode Power Supply SMPS Control is possible from the front panel TFT color touchscreen display user interface and remotely over 1 Gb s Ethernet One General Purpose I O GPIO containing two GPI and two GPO allows for control of precon gured status or operations Two USB 2 0 host connectors allow the connection of the P1 Sensor for temperature and humidity measurement or a USB s...

Страница 11: ...ut sampling frequency There is no external synchronization mode The processor clock runs either using its high precision internal quartz at 96 kHz or on the clock of the connected AVB input stream AVB P1 retrieves up to up to eight channels from a single AVB stream Each connector uses a high speed data transfer protocol up to 1 Gb s and supports the IEC 61883 6 AM824 and AAF PCM32 stream formats w...

Страница 12: ...DSP architecture The DSP engine is a 32 bit oating point DSP at 96 kHz sampling rate It provides an enhanced dynamic range as it does not produce internal signal clipping like a xed point DSP 12 P1 user manual EN version 2 1 ...

Страница 13: ...the rear panel Each connector uses a high speed data transfer protocol up to 1 Gb s and supports the IEC 61883 6 AM824 and AAF PCM32 stream formats with stream frequencies of 48 kHz or 96 kHz Other outputs P1 features a 1 4 inch stereo headphone jack Power supply P1 relies on a universal Switched Mode Power Supply SMPS suitable for mains from 100 V to 240 V 10 50 60 Hz Monitoring and control User ...

Страница 14: ... Manager version 2 6 minimum and CAT5e U FTP cable Procedure 1 Connect the processor to an Ethernet port of a computer running LA Network Manager Use the CAT5e U FTP cable 2 Open LA Network Manager and set it on online mode 3 Check that the processor is detected as an online Unit Refer to the LA Network Manager Help 4 Check that all L Acoustics processors in the system run the same version of the ...

Страница 15: ...3 66 in 10 mm 0 39 in 19 mm 0 75 in 445 mm 17 52 in P1 is not compatible with L Case Ventilation To maintain moderate operating temperatures P1 is equipped with side grills and a fan with temperature controlled speed internal temperature probe The air ows from the right side to the left side when looking at P1 from the front Do not block the side ventilation grills Install the processor with the s...

Страница 16: ... three phase circuit Never try to emulate a 200 V circuit connecting an apparatus to two live wires of a 100 V three phase circuit Power cord The removable IEC cord is tted with a female IEC C13 connector with V Lock at one end and a country speci c plug at the other end type plug cable ratings live neutral ground CE CEE 7 7 earthed 10 A 250 V CN GB 2099 earthed 10 A 250 V JP JIS C 8303 earthed 7 ...

Страница 17: ...hield pin 2 signal pin 3 signal Analog connectors The MIC INPUTS 1 to 4 connectors front panel can receive four analog input signals The ANALOG INPUTS 1 to 4 connectors rear panels can receive four analog input signals The headroom is high enough to accept up to 22 dBu input levels at 0 dB gain The ANALOG OUTPUTS 1 to 4 connectors rear panel can send four analog output signals The maximum output l...

Страница 18: ...tputs and inputs Using several shorter cables joined together reduces performance If it is not possible to use single lengths it is required to use the same model of cable between two AES EBU interfaces In case of transmission losses try to reduce the sampling frequency of the digital audio source Moreover as a general rule avoid using sources rated beyond 96 kHz as the maximum possible cable leng...

Страница 19: ... drive and the P1 Media Player System measurement and tuning multi microphone measurement with temperature and humidity acquisition with LA Network Manager 3 0 and the P1 Sensor Ethernet AVB Analog Mic Analog Line AES EBU USB consoles P1 LA8 LA RAK II P series Media Player P1 LA NWM P1 Sensor System measurements from LA Network Manager 3 0 Generated sweeps disable AVB output 5 to 8 and all inputs ...

Страница 20: ...d a con guration but the con guration menu is disabled because LA Network Manager is connected GPI error Cannot load cfg A Invalid configuration index Displayed if the GPIO is programmed to load a con guration but the selected con guration memory space is empty GPI error Cannot load cfg B Invalid configuration index Displayed if the GPIO is programmed to load a con guration but the selected con gu...

Страница 21: ...formed from LA Network Manager Reboot AVB stream selection refer to Signal status AES and AVB p 34 for the current stream status and to Mapping AVB p 37 to edit the mapping Time alignment refer to Time alignment p 26 for the indicators Fallback refer to Automatic input fallback p 27 for the indicators Matrix mixer edition refer to Matrix mixer view DSP BUS p 42 for the read only view 8x8 matrix al...

Страница 22: ...ng the display The interface can be locked and unlocked in LA Network Manager to prevent unintentional operations When the interface is locked actions on the touchscreen display and turns and short presses of the encoding wheel are ignored Instead the screen shows Display locked To unlock from the physical unit press and hold the encoding wheel for about two seconds The screen shows Display unlock...

Страница 23: ...ges IP address Con guration information star sign indicates unsaved modi cation memory space number from 01 to 30 con guration name Refer to the Con gurations p 48 menu DSP indicators A B C and D are DSP BUS indicators Q is the CUE BUS indicator A Bus is routed to at least one output A Peak sample limiter is active refer to Level meters and mute p 25 A Bus is not routed to any output P1 user manua...

Страница 24: ...00 Processor is not connected to LA Network Manager or to any L COM based remote controller 100 Processor is connected to an L COM based remote controller but not to LA Network Manager 100 Processor is connected to LA Network Manager and may be also connected to another L COM based remote controller 24 P1 user manual EN version 2 1 ...

Страница 25: ...m indicators represent a muted signal On muted inputs pre mute levels are displayed above the red bottom indicator Orange mute buttons represent a mixed status across a single input output type For individual signal mute refer to Mute p 32 For con rmations before applying the main screen mute unmute refer to Selecting preferences p 61 P1 user manual EN version 2 1 25 ...

Страница 26: ...og outputs to align them to the AVB distribution to compensate for the AVB network latency and ensure the propagation time is the same on the AES EBU analog and AVB paths This additional delay eliminates the risk of destructive interference due to time misalignment in case of partial loss of the main distribution To use this option make sure that no equipment is inserted in the AES EBU or analog p...

Страница 27: ...n fallback The fallback input s must be connected to an audio source playing the same program as the main input The level of an AVB or AES audio source used as main input must be aligned using gain to the level of an analog audio source used as fallback input Fallback and time alignment The propagation time of the AVB signal distribution is likely to be longer than the propagation time of the AES ...

Страница 28: ...fallback input can be used twice For example ANA 1 4 can be the fallback of both AVB 1 4 and AVB 5 8 Crossed combinations are not possible For example it is not possible for MIC 3 4 to be the fallback of AES 1 2 Inputs designated as fallback are reserved for this usage and therefore can no longer be selected as sources in the router 28 P1 user manual EN version 2 1 ...

Страница 29: ...IC MPL GEN Main input Type label is red Fallback input Type label is blue Levels of activated channels are blue levels of channels that remain inactive remain light gray Total failure ANA AVB INPUTS AES MIC MPL GEN Main input Type label is red Fallback input Type label and levels of activated channels are blue Partial recovery ANA AVB INPUTS AES MIC MPL GEN Main input Type label is red levels of r...

Страница 30: ...ation Using the input output pages Access to the input output pages through their types or level meters Inputs For the Media Player refer to Turning on the Media Player p 61 30 P1 user manual EN version 2 1 ...

Страница 31: ...Operation DSP BUS Outputs P1 user manual EN version 2 1 31 ...

Страница 32: ...four stacked views Example with the AVB outputs page Mute All pages have individual mute for each signal accessible in stacked view 2 and 3 for the DSP BUS page refer to Stacked views p 32 Mute Unmute a speci c signal When muted the bottom indicators of the level meters are red Example with muted ANA 2 and ANA 4 outputs On the main screen an orange mute represents a mixed status across a single in...

Страница 33: ...a digital gain post conversion on analog signals For additional analog preamp gain on Mic inputs refer to Mic Line settings p 38 G dB 0 Edit gain for a speci c signal 1 0 dB 0 1 dB G dB 0 To select whether selections are additive multiple selections or exclusive one item at a time refer to Selecting preferences p 61 P1 user manual EN version 2 1 33 ...

Страница 34: ...utput pages AES EBU status LOCKED 96000 Hz UNLOCKED LOCKED and the sampling frequency Indicates a digital audio source is connected to the AES EBU inputs the signal delivered by the source has a format supported by the processor s digital audio board and no loss or fault is being detected during data transfer For example LOCKED 96000 Hz indicates the digital audio source provides signals of sampli...

Страница 35: ...ailed It can also be temporarily displayed when a network cable is disconnected then reconnected If displayed for more than a few seconds refer to the List of AVB reservation errors p 77 WAITING START The bandwidth is reserved but the Unit has received a stop streaming command by the AVB controller Try disconnecting and reconnecting the stream WAITING DATA Waiting for the talker to transmit the st...

Страница 36: ...from an AVB Listener If displayed for more than a few seconds Check the network for a disconnected cable Check that the listener is in working order fully booted RESERVATION ERROR The bandwidth reservation has failed It can also be temporarily displayed when a network cable is disconnected then reconnected If displayed for more than a few seconds check the List of AVB reservation errors p 77 WAITI...

Страница 37: ...are directly mapped to the AVB output stream Using mapping it is possible to patch any channel from the input stream to any P1 AVB input and any P1 AVB output to any channel in the output stream To access the respective mappings use the signal status in the AVB input and output pages in the stacked view 2 for AVB outputs P1 user manual EN version 2 1 37 ...

Страница 38: ...7 8 matrix mixer router P1 AVB outputs 1 2 3 4 5 6 7 8 output stream output mapping AVB 2 AVB 3 AVB 4 AVB 5 AVB 6 AVB 7 AVB 8 AVB 1 matrix mixer router Mic Line settings The mic line page has three settings for each input 48V 0 dB HPF Edit settings for a speci c mic line input Phantom Power 48V Off On 48V 0 dB HPF Preamp Analog Gain dB 0 from 0 dB to 60 dB 3 dB 0 48V 3 dB HPF High pass Filter 40Hz...

Страница 39: ... progress bar Also available on the main screen Selecting a le In the Media Player page use No le loaded to select an audio le from a connected USB drive DIR Volume A my_music track_1 wav DIR Volume A my_configs my_music Supported le formats aif aiff caf ac m4a wav Supported audio formats ALAC FLAC PCM from 44 1 kHz to 192 kHz from 16 bits to 32 bits mono or stereo mono les are played to both outp...

Страница 40: ...ion button Open the Media Player options track_1 wav Volume A my_music 4 54 Playback Mode le play a single le folder play all les in the folder Repeat Off On Turn off on the repeat option le or folder played once or on loop 40 P1 user manual EN version 2 1 ...

Страница 41: ...the signal generator in the Generator page Signal types sine wave sine bursts 20 Hz 20 kHz sweep white noise and pink noise It is possible to modify the frequency of sine wave when the signal is on P1 user manual EN version 2 1 41 ...

Страница 42: ...atrix it is recommended to enable the 8x8 matrix option for these P1 units in LA Network Manager In an 8x8 matrix AVB 5 8 is used to cross patch physical inputs between the two P1 processors and AVB 1 4 is used to send the DSP busses to ampli ed controllers console A 4 x ANA 4 x AES ANA 1 4 AES 1 4 AVB 1 4 AVB 5 8 console B 4 x ANA 4 x AES ANA 1 4 AES 1 4 AVB 1 4 AVB 5 8 The 8x8 matrix option adds...

Страница 43: ...oth stacked views of the CUE BUS page refer to Stacked views p 32 D ms 0 Edit delay 0 01 ms 0 10 ms D ms 0 Tap and hold to open the numeric keypad Maximum delay for the CUE BUS is 2000 ms Maximum delay for each DSP BUS is 2000 ms in addition to group delay Refer to Group Parameters DSP BUS p 44 P1 user manual EN version 2 1 43 ...

Страница 44: ...on for BUS A BUS B BUS C and BUS D respectively from left to right The information includes The group name if any The group gain The group delay The EQ status on or off In case of multiple group assignations The name is mult_grp The gain is the addition of the gains from all contributing groups The delay is the addition of the delays from all contributing groups The EQ status is on if at least one...

Страница 45: ...allow isolating one or several input signals to monitor sound and mix quality for tuning purposes PFL Pre Fader Listening Select the input s to send to the CUE BUS All selected signals are summed Input or DSP BUS gain is not applied AFL After Fader Listening Select the DSP BUS input s to send to the CUE BUS All selected signals are summed Input and DSP BUS gain are applied P1 user manual EN versio...

Страница 46: ...he 6 DSP sources 4 BUS 1 CUE and 1 Generator refer to DSP architecture p 12 Example with inputs ANA 1 ANA 3 AES 1 and AVB 3 mapped to the four analog outputs Inputs appear crossed out when unavailable AVB 7 8 are crossed out when disabled by the Media Player option Refer to Media Player MPL p 39 AES ANA and MIC are crossed out when designated as fallback Refer to Automatic input fallback p 27 For ...

Страница 47: ...menu or push the encoding wheel from the main screen MENU CONFIGURATIONS MEDIA CLOCK MENU MONITORING INFO CONFIGURATIONS MEDIA CLOCK MENU MONITORING INFO MEDIA CLOCK OPTIONS MENU OPTIONS MONITORING INFO P1 user manual EN version 2 1 47 ...

Страница 48: ...D DELETE MENU CONFIGURATIONS DELETE STORE LOAD DEFAULT MENU CONFIGURATIONS LOAD DEFAULT DELETE EXPORT USB MENU CONFIGURATIONS EXPORT USB LOAD DEFAULT IMPORT USB MENU CONFIGURATIONS EXPORT USB IMPORT USB Access to the Con gurations menu is disabled when LA Network Manager is connected 48 P1 user manual EN version 2 1 ...

Страница 49: ...ions MENU CONFIGURATIONS LOAD 1 CONFIG_A 2 EMPTY Storing a con guration Select CONFIGURATIONS STORE There are 30 memory spaces Choose a name 16 characters maximum for the con guration Deleting a con guration Select CONFIGURATIONS DELETE to delete a previously stored con guration P1 user manual EN version 2 1 49 ...

Страница 50: ...h 0 dB gain except MON with 12 dB gain GEN with 42 dB gain pink noise off Media Player with 36 dB off Polarity all with positive polarity Delay all at 0 ms time alignment off 8x8 matrix delay off Mic Line settings phantom power and HPF off and analog preamp gain at 0 dB Group parameters cleared Matrix mixer 50 P1 user manual EN version 2 1 ...

Страница 51: ...LECT DESTINATION FILE DIR Volume A CONFIG_A Use FILE to modify the le name Use DIR to select an existing folder or create a new one Single con guration les are saved as lcfg Select CONFIGURATIONS EXPORT USB BACKUP ALL CFG to export all con gurations MENU CONFIGURATIONS EXPORT USB EXPORT SINGLE CFG BACKUP ALL CFG SELECT DESTINATION ALLCFG P1 100 FILE DIR Volume A Default le name is ALLCFG P1 follow...

Страница 52: ...ATIONS IMPORT USB IMPORT SINGLE CFG to import a single con guration Select a folder and a lcfg le from the USB drive Select a memory space for the imported le MENU CONFIGURATIONS IMPORT USB IMPORT SINGLE CFG RESTORE ALL CFG DIR Volume A my_folder_1 CONFIG_A DIR Volume A my_folder_1 my_folder_2 MENU CONFIGURATIONS IMPORT SELECT 1 CONFIG_A 2 CONFIG_B 52 P1 user manual EN version 2 1 ...

Страница 53: ...n gurations Select a folder and a lbak le from the USB drive MENU CONFIGURATIONS IMPORT USB IMPORT SINGLE CFG RESTORE ALL CFG DIR Volume A my_folder_1 my_folder_2 DIR Volume A my_folder_1 ALLCFG P1 100 Importing an all con gurations le overwrites the 30 memory spaces P1 user manual EN version 2 1 53 ...

Страница 54: ...ck Reference Format streams only contain clock information no media sample for pre synchronization devices are locked before establishing the media streams Refer to the Avnu Pro Audio Media Clocking Speci cation on avnu org Use the navigation arrow to display the CRF Output Stream status and information When two P1 processors are con gured to create an 8x8 matrix it is required that both P1 proces...

Страница 55: ...ONITORING INFO MEDIA CLOCK OPTIONS MENU MONITORING INFO GENERAL ETHERNET LINKS MENU MONITORING INFO ETHERNET LINKS TEMPERATURE HUMIDITY GENERAL MENU MONITORING INFO ETHERNET LINKS TEMPERATURE HUMIDITY P1 user manual EN version 2 1 55 ...

Страница 56: ...9 0 3 L COM is a proprietary communication protocol based on TCP IPv4 used by the L NET Ethernet network Serial No 10 digit number MAC Address 6 pairs of hexadecimal digits separated by colons example 5E FF 56 A2 AF 15 The MAC address Media Access Control is a unique international identi cation number Hardware Info 1 digit number example DSP board rev 6 Software Image 4 digits separated by periods...

Страница 57: ...emperature and humidity measured from inside the P1 Unit A percentage on a color coded background indicates if P1 is at risk of overheating green up to 70 orange between 70 and 75 or red 75 and more USB Sensor Temperature and humidity measured from a connected P1 Sensor The P1 Sensor is equipped with a magnet Be careful around devices and objects that are sensitive to magnetic elds The P1 Sensor c...

Страница 58: ... SWITCH MENU OPTIONS NETWORK ADDRESS NETWORK SWITCH DISPLAY MENU OPTIONS NETWORK SWITCH DISPLAY MEDIA PLAYER MENU OPTIONS DISPLAY MEDIA PLAYER PREFERENCES MENU OPTIONS MEDIA PLAYER PREFERENCES RESET TO FACTORY MENU OPTIONS PREFERENCES RESET TO FACTORY 58 P1 user manual EN version 2 1 ...

Страница 59: ... 253 and to set the control computer to 192 168 1 254 The Subnet mask on the computer must be set to 255 255 255 0 An IP address is a unique identi er for a network device on a given IP network In IPv4 networking it is made of 4 bytes In class C private local area IP subnets the three rst bytes are the network pre x and the last byte is the device identi er on the subnet Regarding device identi er...

Страница 60: ...etwork which avoid broacast storms that cause network failure In case of a cable or switch failure in the network the protocol re enables these ports to restore connectivity Selecting the display brightness Select OPTIONS DISPLAY MENU OPTIONS NETWORK SWITCH DISPLAY MEDIA PLAYER The levels of brightness are High Normal Medium Low and Off Turning off the display is applied after a con rmation To tur...

Страница 61: ...main screen and crossed out in source selection Refer to Media Player MPL p 39 for more information on how to use the Media Player Selecting preferences Select Options PREFERENCES MENU OPTIONS MEDIA PLAYER PREFERENCES RESET TO FACTORY Gain Selection Additive Exclusive Select whether selections are additive multiple selections or exclusive one item at a time Example with additive selections G dB 0 ...

Страница 62: ...r a con rmation is required before applying the main screen mute Un mute All Con rmation Off On Select whether a con rmation is required before applying the main screen unmute Resetting P1 to factory default Select OPTIONS RESET TO FACTORY The processor retains its network address 62 P1 user manual EN version 2 1 ...

Страница 63: ...On the Workspace of LA Network Manager the identi ed processor blinks in yellow On the identi ed processor the screen displays IDENTIFICATION and the complete IP address on a blinking red background IDENTIFICATION 192 168 1 100 To identify a processor on the Workspace of LA Network Manager press and hold the encoding wheel To identify a processor in the physical setup refer to the LA Network Manag...

Страница 64: ...ch assembly refers to the corresponding D R procedure and the necessary repair kit s Disassembly and Reassembly procedures p 70 This section contains the maintenance procedures for each assembly identi ed in the exploded view Preventive maintenance p 14 These checks allow to detect an issue The quality control must be performed regularly Equipment and tools Equipment Before performing preventive m...

Страница 65: ...ect the power cord If necessary replace it other causes contact L Acoustics Interface issues Screen does not display anything processor responds to remote controls and sound is as expected Contact L Acoustics Screen shows Please wait inde nitely Unplug the network cables and power cycle the unit If the issue does not persist then there is at least one loop in the Ethernet network nd the loop s and...

Страница 66: ... clients are already connected to the processor disconnect all other software clients rmware failure restart the processor other causes contact L Acoustics For the list of AVB reservation errors refer to List of AVB reservation errors p 77 Error messages There are corresponding event messages in LA Network Manager refer to the LA Network Manager Help System Message Fan blocked Displayed if a fan i...

Страница 67: ...the processor audio source cable is damaged replace the cable incorrect settings on the audio source set appropriate parameter values on the audio source in particular the output gain value refer to the third party documentation non audible bit stream check that the AES EBU source does not deliver non audio bit stream encoded audio audio source failure check the presence of input levels and the cu...

Страница 68: ...nd inspect the digital audio source for failure Reminder A digital audio source can meet the following failures no clock loss of lock invalid audio validity bit CRC error bipolar encoding error data slip An AVB audio source can meet the following failures switch talker failure cable failure disconnection or stop streaming requested by AVB Controller non Avnu certi ed device in network audio source...

Страница 69: ...aintenance Exploded view In the exploded view each assembly corresponds to a D R procedure and the necessary repair kit s External modules encoder wheel knob KR LA4XBOUT P1 user manual EN version 2 1 69 ...

Страница 70: ... D R Encoder wheel knob Repair kits KR LA4XBOUT KR encoding wheel button LA4X LA12X P1 1 1348 LA4X and LA12X encoder wheel knob Kit contains additional components that are not required for this procedure Exploded view 70 P1 user manual EN version 2 1 ...

Страница 71: ...ical Interface and connectors Interface Display 1 TFT color touchscreen display 320 120 px Navigation 1 encoding wheel with push button Front connectors Mic Line input 4 female XLR3 balanced mono ESD protected USB 2 USB 2 0 host connectors max 500 mA 5 V Headphones 1 1 4 inch stereo headphone jack Rear connectors Analog line input 4 female XLR3 balanced mono ESD protected Analog line output 4 male...

Страница 72: ...ls at 48 kHz or 96 kHz Input clock stream Number 1 Formats CRF at 48 kHz or 96 kHz Output audio stream Number 1 Class A Maximum network latency Talker presentation time offset xed at 2 ms Formats IEC 61883 6 AM824 up to 8 channels at 48 kHz or 96 kHz AAF PCM32 up to 8 channels at 48 kHz or 96 kHz Output clock stream Number 1 Formats CRF at 48 kHz or 96 kHz Media clock upon user selection synchroni...

Страница 73: ...tio 0 0005 1 kHz 0 dBFS 20 kHz bandwidth Channel separation 120 dB at 20 Hz 20 kHz Analog mic inputs Number of mic inputs 4 Input impedance 2 4 kΩ balanced Maximum input level 22 dBu at 0 dB gain A D conversion operating at 24 bits 96 kHz Frequency response 0 15 dB 20 Hz 20 kHz at 0 dB gain Input dynamic range 118 dB 60 dBFS A weighted 20 kHz bandwidth at 0 dB gain Gain range 0 dB to 60 dB by step...

Страница 74: ...witchover conditions AVB loss of locked status AES no clock loss of lock CRC error bipolar encoding error or data slip Constant group delay AES to ANA or MIC independent from input Fs AVB to AES ANA or MIC upon user selection if source is another P1 Constant level upon manual user selection of gain independent from input Fs Revert to initial input upon manual user selection Headphones Minimum load...

Страница 75: ... 1 A contact relay normally open 200 V AC galvanic isolation oating Power supply 5 V 5 50 mA minimum referenced to chassis ground short circuit protected ESD protected Signal processing Selection input router and matrix mixer Routing Sources 4 mic 4 line 4 AES EBU 8 AVB 1 signal generator Routing 4 DSP bus Outputs selection from the 20 available inputs generator and 4 DSP bus P1 Sensor Sensor temp...

Страница 76: ...ht 3 7 kg 8 2 lb Finish black Protection rating IP3x 32 mm 1 25 in 465 mm 18 3 in 483 mm 19 in 44 5 mm 1 75 in 27 mm 1 in 275 mm 10 83 in 240 mm 9 45 in 93 mm 3 66 in 10 mm 0 39 in 19 mm 0 75 in 445 mm 17 52 in 76 P1 user manual EN version 2 1 ...

Страница 77: ...he path from the talker to the listener reached its limits Try to reboot the bridges on the path from the talker to the listener Try to disconnect some streams 3 Out of bandwidth for traf c class See error 1 4 Stream ID used by another talker A device on the network is behaving incorrectly Disconnect and reconnect the stream Reboot the talker Reboot the bridges on the path from the talker to the l...

Страница 78: ...stener has reached its limits Try to disconnect some streams Try to reboot the bridges on the path from the talker to the listener 11 Out of MMRP resources One of the bridges on the path from the talker to the listener has reached its limits Try to disconnect some streams Try to reboot the bridges on the path from the talker to the listener 12 Cannot store dest addr One of the bridges on the path ...

Страница 79: ... the talker to the listener is incorrectly con gured Con gure the bridges to enable VLAN tagging of the egress packets 19 SR class priority mismatch A wrongly con gured AVB bridge is present in the network con gure all the bridges with the same setting default is 3 for Class A streams Licenses and copyrights The processor rmware includes software packages released under open source licenses To acc...

Страница 80: ...Appendix Approvals 80 P1 user manual EN version 2 1 ...

Страница 81: ...Appendix P1 is certi ed with the following P1 user manual EN version 2 1 81 ...

Страница 82: ...ww l acoustics com L Acoustics GmbH Steiermärker Str 3 5 70469 Stuttgart Germany 49 7 11 89660 323 L Acoustics Ltd PO Box Adler Shine Aston House Cornwall Avenue London N3 1LF United Kingdom 44 7224 11 234 L Acoustics Inc 2645 Townsgate Road Suite 600 Westlake Village CA 91361 USA 1 805 604 0577 L GROUP www l group com ...

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