AM-xx² User Manual
Contents
1. matec AM xx Series 2 In Picture Audio Meter and Alarm System FUNCTION SELECT tolled a INSERT ON FADE LOCK PARAMETER Mo User s Gu ide Version S2 1 0 19 11 2007 MICHAEL lta Chromatec AM xx Michael Stevens amp Partners Ltd has made every effort to ensure the accuracy of information contained within this document which is nevertheless supplied for information purposes only and does not constitute any form of warranty or guarantee All trademarks acknowledged The information in this document is subject to change without notice Michael Stevens amp Partners Ltd Invicta Works Elliott Road Bromley Kent BR2 9NT Tel 44 0 20 8460 7299 Fax 44 0 20 8460 0499 Email sales michael stevens com web site www michael stevens com www chromatec com 2007 Michael Stevens amp Partners Ltd Chromatec Contents INTRODUCTION Powerful alarms Audio monitoring Remote control monitoring and configuration scheduling Main features THE ON SCREEN DISPLAY Bargraph scales Alarm indicators NETWORK REQUIREMENTS Level and alarm streams Audio streaming OPERATION OPERATING MODES Normal mode Menu mode CONTROL BUTTON SUMMARY MENU COMMANDS Menu Navigation Scales analogue and digital scale types reference value and colours Level Bars bar and label settings Phase Bars phase bar and multi indicator settings Alarms configuration System user config IP settings2. 1s 3s 5s 10s 30s 1min 2mins 5mins 10mins 30mins 1 hour gt Audio Loss Timeout 1s 3s 5s 10s 30s 60s 2min 5min 10min 30min 1 hour gt Analogue Loss Threshold gt Audio Over Channels All Chans Chan 1 to Chan 64 available channels depend on installed cards gt Audio Over Timeout Os 1s 2s 5s 10s gt Analogue Over Threshold OdB to 20dB in 1dB steps gt Digital Over Threshold 20dBFS to OdBFS in 1dB steps Anti Phase Alarms Enabled Disabled gt Anti Phase Channels All Chans Chan 1 2 to Chan 63 64 available channels depend on installed cards gt Anti Phase Timeout 1s 3s 5s 10s 30s 60s 2min 5min 10min 30min 1 hour gt Anti Phase Threshold Any Negative Less Than 0 5 Carrier Loss Alarms Enabled Disabled gt Carrier Loss Channels All Chans Chan 1 2 to Chan 63 64 available channels depend on installed cards gt Carrier Loss Timeout 1s 3s 5s 10s 30s 60s 2min 5min 10min 30min 1 hour Alarms Alarms may be enabled per channel for audio loss and over level Alarms may be enabled per channel pair for anti ohase and carrier loss AES EBU inputs only Thresholds and timeouts are adjustable for each alarm type for both digital and analogue bar types An alarm condition is provided in the form of flashing coloured rectangles situated at the top of the respective bargraphs Refer to the On screen alarms and phase indicators section for further details 2007 Michael Stevens amp Partners
3. Yes AES EBU inputs may be jumper selected per channel to be either balanced or unbalanced inputs The settings are set via jumpers on each digital audio input card as explained in the installation section What are the RS232 options DTS RTS select and half full duplex via jumpers on the rear serial port pcb as explained in the installation section Access to this board requires removal of the top cover with power removed 2007 Michael Stevens amp Partners Ltd 35 Version S2 1 0 Chromatec AM xx Series 2 Problem solving How is audio monitoring streamed Audio is streamed using open standard RTSP RTCP RTP streaming media protocols and can be played back by any compliant media player This includes Quicktime VLC and MPlayer Others such as Microsoft Media Player and RealPlayer use their own standards and do not work with the AM xx Any player that provides cache control such as VLC is good because delay can be minimised To minimise the delay in VLC go to Settings gt Preferences gt Input Codecs gt Demuxers gt RTP RTSP Tick the Advanced Options and change the Caching value to 100 Anything less than this and the player may have problems playing data continuously What are the monitor stream URLs The URLs to use for listening to the audio monitor streams are rtsp lt ip_address gt stream1 rtsp lt io_address gt stream2 rtsp lt ip_address gt stream3 and rtsp lt ip_address gt stream4 where ip _ a
4. sub menu Gateway If required enter the Gateway address byte at a time in the sub menu lf required enter the DNS server address byte at a time in the sub menu Displays the MAC Address of the frame Audio Monitor Out 1 2 Off Chan 1 2 3 4 5 6 7 8 available channels depend on installed cards Audio Monitor Out 3 4 Off Chan 1 2 3 4 5 6 7 8 available channels depend on installed cards Audio Monitor Out 5 6 Off Chan 1 2 3 4 5 6 7 8 available channels depend on installed cards Audio Monitor Out 7 8 Off Chan 1 2 3 4 5 6 7 8 available channels depend on installed cards Audio Network Stream 1 Off 16 bit Full Bandwidth 16 bit 24kHz 768kb s 12 bit 12kHz 384kb s 8 bit 12kHz 192kb s Audio Network Stream 2 Off 16 bit Full Bandwidth 16 bit 24kHz 768kb s 12 bit 12kHz 884kb s 8 bit 12kHz 192kb s Audio Network Stream 3 Off 16 bit Full Bandwidth 16 bit 24kHz 768kb s 12 bit 12kHz 884kb s 8 bit 12kHz 192kb s Audio Network Stream 4 Off 16 bit Full Bandwidth 16 bit 24kHz 768kb s 12 bit 12kHz 384kb s 8 bit 12kHz 192kb s Screen Resolution 1024x768 1280x768 INSERT LOCK to confirm Align Monitor Size Pos Displays a white active screen area rectangle User configuration The AM xx has four user memories USER 1 USER 2 USER 3 and USER 4 Settings can be copied from one user to the other and further changes can be made before saving Any 2007 Michael Stevens amp Part
5. 1 3 10 30 60 seconds Peak Hold Colour Use lt gt to select colour Bar Width Use lt gt to select width in pixels 7 to select bar s Press Lock briefly to leave sub menu Bar Spacing Use lt gt to select L R Pair and bar spacing in pixels 7 to select bar s Press Lock briefly to leave sub menu Bars H Position Use lt gt to select Bars V Position Use lt gt to select 2007 Michael Stevens amp Partners Ltd 12 Version S2 1 0 Chromatec AM xx Series 2 Operation Assigning channels to bar groups By default AM xx will assign digital inputs to a digital bar group and analogue inputs to an analogue bar group For example if there are two 8 channel AES cards and two 16 input analogue cards in a frame two 32 bar groups are created One group will have the analogue inputs with analogue bar types assigned and the other will contain all the digital inputs with AES EBU bar types assigned Note The About menu will display the input cards types installed in each slot However this default behaviour can be overridden by changing the default setting Assign Channels to Bars from Automatically to Manually This will enable two further menus Bar Grouping and Bar Channel Assignments These menus will allow any input channel to be monitored with either an analogue or digital bar type regardless of signal type It will also be grouped according to its bar type and not its signal type This might be useful if a
6. Series 2 Installation Removing the top cover Warning To avoid dangerous electric shock do not perform any service or make adjustments unless qualified to do so The mains supply must be disconnected before removing any covers To gain access to the internal pcb and associated electronics proceed as follows e Disconnect the mains supply from the unit Remove the screws retaining the top cover and keep them in a safe place I L i wu a wt S a is n Pa gt Loe meee sil D ie a AU ALALLA AAAA AAAH AAAHHH SD else J EERIE gt titii NITEUETID d TIYU S t Qa ss us az zz as DOO Oo a AM xx 1U frame with cover removed Proceed as follows to replace the cover Replace the cover and screw it firmly in position using the saved cover Screws e Re connect the mains supply to the unit Version S2 1 0 Chromatec AM xx Series 2 Upgrading firmware Upgrading firmware From time to time AM xx firmware updates may be made available These might be either for the network card the controller card or both The method for uploading to the frame is the same and is easily performed using a PC connected to the AM xx LAN port directly or over a network 1 Establish communication with an AM xx frame to be upgraded over a network by using Windows Explorer to search for the IP address of the frame ftp XXX XXX XXX XXX 2 The two current f
7. Works with optional dedicated hardware monitoring units Available accessories include audio I P breakout cables to XLR BNC 1 64 32 stereo AES Audio Channels pur Analog or Digital Analog or Digital 16 Channel Audio Input Card 4 Pair Analogue Digital Audio Monitor DISPLAY PROCESSOR Bargraphs i PYE ENCODER 16 Channel Phase Indicators Channel Status 16 Channel Audio Input Card DVI I Video Z Analog or Digital Alarms Z Analog or Digital SD HD SDI Option Keyboard Audio Input Card Source Assignment 9 2 2 SD HD SDI Option 16 Channel Audio Input Card RS422 RS232 INPUT LAN OUTPUT I F 5 Front Panel I USB The AM xx Audio Meter 2007 Michael Stevens amp Partners Ltd 4 Version S2 1 0 Chromatec AM xx Series 2 Introduction The on screen display The AM xx meter alarm display provides a visual status display of all audio channels connected to the installed input cards ANTI PHASE IN PHASE gg MAIN CURSOR PHASE BAR ri PHASE HOLD Va PEAK HOLD ANALOGUE BAR GROUP ALARM INDICATORS DIGITAL BAR GROUP SS SS eS 3 0 PHASE MULTI UPPER BREAK see UPPER BREAK INDICATORS POINT 5 POINT i HI LOWERBREAK LOWER BREAK POINT _ POINT 1 1 BARGRAPH BACKGROUND CHANNEL NUMBERS OR TEXT The AM xx Meter Alarm Display default colours Bars may be placed automatically or manually into two groups according to scale type
8. according to signal type e 1 1 assignment of channels to bars To activate the appropriate reset select it with the Select Parameter left right keys and press Insert Lock to confirm the action 2007 Michael Stevens amp Partners Ltd 13 Version S2 1 0 Chromatec AM xx Series 2 Operation Ranges and colours Each bargraph may be split into three different coloured sections over range upper range and lower range For the purposes of selecting these colours bars may be split into arbitrary groups from two bars to 64 all bars the same using the Set Bar Colour Groups function These arbitrary colour groups are not the same as the digital and analogue bar type groups The range colours chosen may be different for each arbitrary bargraph group if required However the bargraph background colour applies to all bars The break points can be chosen for each bar group by choosing ALL BARS in the break point sub menu or for an individual bar by selecting a specific bar in the break point sub menu Upper and lower analogue bar range points may be set between 30 and 12 dB in 1 dB steps Upper and lower digital bar range points may be set between 50 and 10 dB in 1 dB steps Note If only one or two colours for each bargraph are preferred then the upper and lower range points may be set to an equal level or changed to the same colour Bar labels In default mode channels are labelled numerically Labels of up to 16 character
9. analogue or digital If this is done automatically bars in the digital group are always assigned to digital inputs and bars in the analogue group are always assigned to analogue inputs However manual assignment allows any bar to be assigned to any input whether it is analogue or digital Moreover any bar can use either an analogue or AES EBU scale type The flexibility does not stop there the break points and colours used for the upper and lower ranges of each bar type can be customised to satisfy any in house monitoring style for each of the six scale types 2007 Michael Stevens amp Partners Ltd 5 Version S2 1 0 Chromatec AM xx Series 2 Introduction Bargraph scales The following audio scales are supported 10 15 20 25 30 40 TE Pa Pa 50 EE i a net z EL 60 BBC PPM DIN PPM NORDIC AES EBU Available meter scales Note Each bar type can have different range colours break points and level reference Alarm indicators Flashing mini alarms can be assigned to the bargraphs for under level over level anti phase and no carrier AES only The colours used are as follows e Audio Loss Yellow position left or right indicates channel e Audio Over Red position left or right indicates channel e Anti Phase Cyan middle alarm e Carrier Loss White middle alarm If carrier loss occurs the audio loss alarm will also be activated for the affected channel pair Note There are also
10. assigned using CONFIG xx and cannot be changed from within DISPLAY xx A basic range of settings can be performed from the AM xx frame menu but only CONFIG xx allows Data and Audio stream format configuration 2007 Michael Stevens amp Partners Ltd 31 Version S2 1 0 Chromatec AM xx Series 2 Using SOF T xx Installation Guide A basic system consists of up to four AM xx frames and a single PC connected to a common LAN The LAN may be dedicated or form part of a larger system In the latter case care must be taken to ensure that sufficient data capacity is available and that no conflicts are likely to be encountered with other equipment and services The software is supplied on CD ROM Follow the installation wizard which will provide the options to install either CONFIG xx or DISPLAY xx or both applications on the PC A multi PC installation will typically require CONFIG xx and optionally DISPLAY xx to be installed on one machine for use by the system administrator Workstation PCs used for monitoring will then only require DISPLAY xx to be installed Reminder Only one instance of CONFIG xx can address the same frames on the same LAN at a time A warning is given if an attempt is made to run a second copy of CONFIG xx Both CONFIG xx and DISPLAY xx applications are individually protected by a USB dongle that must be fitted to each PC on which they are installed However unlimited installations of DISPLAY xx are possible without a
11. dongle in which case the functionality of the application is limited to alarm status indication and reset only system requirements AM xx Network 370 Kbps per monitoring station 85 Kbps for logging Up to 6 4 Mbps for audio streaming at full stereo bandwidth Subnet routers must pass multi cast packets SOF T xx IBM compatible PC running Windows XP Service Pack 2 700 kHz Processor Speed or greater 512 Mb RAM Graphics card supporting DirectX V9 0c minimum resolution 1024 x 768 CD ROM drive Network card USB port In most cases a low to medium specification computer will suffice for example a laptop with a 00MHzZz processor At install only 20 Mbytes of disk space is needed though more may be required if numerous logs and configuration files are maintained A fresh install of Windows XP SP2 DirectX 9 0C is recommended A DirectX 9 0C compatible graphics card is recommended to show the Full Screen bargraph display correctly 2007 Michael Stevens amp Partners Ltd 32 Version S2 1 0 Chromatec AM xx Series 2 Using SOF T xx Initial Setup Both CONFIG xx and DISPLAY xx use IP addresses to communicate with frames If desired IP settings can be entered directly via each AM xx on screen menu Alternatively CONFIG xx can be used to search for AM xx frames on the network by entering the Network Setup page within its Utilities menu The current AM xx network settings can then be changed within
12. function properly It may also be used as a guide for manual alignment of the attached monitor Note The AM xx front panel Left Right keys have no function in this mode About Firmware and installed cards About Status 1 06 Controller Firmware Firmware The firmware level installed is shown for both network and controller Input card type The type of input cards fitted is displayed 2007 Michael Stevens amp Partners Ltd 20 Version S2 1 0 Chromatec AM xx Series 2 Installation Installation The Chromatec AM xx 1U frame may be installed in 19 inch bays with 453mm depth Ventilation is produced in each frame with three exhaust fans on the left hand side viewed from front with intake grilles at the right There are also air intake vents located on the top of the frame Frames should be installed into bays such that airflow through these apertures is not impeded FUNCTION SELECT Lu a INSERT ON PARAMETER The 1U AM xx frame showing main side to side ventilation Note The front rack ears are intended to provide a means of retaining the unit in the rack To ensure adequate support the unit MUST also be supported at the rear of the frame Please ensure that ventilation is not impaired when selecting suitable supports Power and fuses The AM xx can be powered either from an AC mains supply via the IEC socket on the rear of the frame or from an external 24V DC source via the lockin
13. streams The alarm only stream is used for logging in the configuration application CONFIG xx and the other stream is used for a single monitoring application DISPLAY xx Each monitoring station requires a stream at 370kbps for level and alarm data Audio streaming Audio streaming bandwidth is directly proportional to the number of audio pairs streamed and the quality levels used Audio stream quality Data Rate Full bandwidth stereo pair 1 6Mbps 12kHz stereo pair 768kbps 6kHz stereo pair 384kbps 6kHz 8 bit law encoded stereo pair 192kbps Network bit rate does not change when multiple stations are listening to the same stream since multicasting is used for each stereo pair 2007 Michael Stevens amp Partners Ltd 7 Version S2 1 0 Chromatec AM xx Series 2 Operation Operation The front panel user interface consists of 6 buttons The functions assigned to control buttons depend on the mode selected FUNCTION x SELECT tit AM xx Multi channel Audio Meter INSERT ON PARAMETER The AM xx 1U rack front control buttons amp status LED Operating modes Normal or locked mode is the normal operating mode Configuration or menu mode provides access to configuration menus Normal mode In normal use the configuration menu will be locked to prevent inadvertent operation and configuration menus are not available The main normal mode controls are as follows Select Parameter bu
14. D HD SDI video source when used with the optional xx VID controller card ALRAHS SYSTER REIT nin Monitored parameters include audio level audio loss carrier loss when using AES EBU inputs over level and sustained anti phase between assigned channel pairs Six industry standard audio meter types are supported and each meter can have its own range colours break points and reference level 2007 Michael Stevens amp Partners Ltd 1 Version S2 1 0 Chromatec AM xx Series 2 Introduction Powerful alarms Alarm settings and thresholds can be set independently for each channel or pair of channels This allows different alarm configurations for different programming such as pop classical music news sport movies and drama Not only does this significantly reduce the occurrence of false alarms but the entire gamut of AM xx settings including alarm settings meter types and colours can be scheduled to change over a 24 hour period using optional SOFT xx PC software Audio monitoring Up to four pairs of audio channels in both analogue and digital format can be selected for external monitoring using an optional audible monitor output card installed in the frame The selected sources can also be streamed from data ports to provide both local and remote audio monitoring Remote control monitoring and configuration scheduling Although the AM xx is designed to be used as a stand alone monitor it may also be used with contr
15. Digital reference to 20dBfs with the anlg ref still at 4dBu will produce a level of 24dBfs with colour changes unaltered The same applies to displaying digital channels on an analogue scale the colour changes will adhere to the analogue upper and lower settings Can bargraphs be assigned to any source and placed in any position on the screen Yes providing Assign Channels to Bars is set to Manually See also the answer to the next question What are the digital and analogue bar groups for These groups reflect the two different types of bargraphs available digital or analogue If Assign Channels to Bars is set to Automatically groups are populated automatically according to source signal format If Assign Channels to Bars is set to Manually then the two groups can be resized in two channel pairs and bars from either group can be assigned to any source irrespective of signal format See also the answer to the next question How can force channels and bars to 1 1 correspondence so that bars are ordered from left to right to reflect the default channel numbering This is done automatically together with assignment to digital and analogue groups if Assign Channels to Bars is set to Automatically lf manual channel assignment is preferred channels can be reset to 1 1 or into analogue and digital groups buy using the RESET command in the Bar Channel Assignments menu Can digital audio be balanced or unbalanced
16. Ltd 16 Version S2 1 0 Chromatec AM xx Series 2 Operation Anti phase alarm The anti phase alarm threshold can be set for any negative value or any value less than 0 5 The later setting may be preferred to reduce unwanted anti phase alarms since most audio signals may cause negative indications Resetting Alarms Alarm indication normally persists even though the underlying condition that triggered the alarm is no longer present To ensure that outdated alarms are removed the Alarm Auto Reset function forces all active alarms off after an adjustable period of time Any alarm conditions that are still present will then re trigger the appropriate alarm 2007 Michael Stevens amp Partners Ltd 17 Version S2 1 0 Chromatec AM xx Series 2 Operation System user config IP settings audio mon screen resolution System Parameter s USER 1 USER 2 USER 3 USER 4 RESET USER 1 RESET USER 2 RESET USER 3 RESET USER 4 COPY 1 TO 2 COPY 1 TO 3 COPY 1 TO 4 COPY 2 TO 1 COPY 2 TO 3 COPY 2 TO 4 COPY 3 TO 1 User Configuration Select COPY 3 TO 2 COPY 3 TO 4 COPY 4 TO 1 COPY 4 TO 2 COPY 4 TO3 Note INSERT LOCK to Confirm RESET COPY DHCP Enabled No Yes If No then set IP details as follows Enter a friendly name for the frame optional It is displayed by SOF T xx but not used IP Address Enter the required IP address of the frame byte at a time in the sub menu Enter the required Subnet Mask byte at a time in the
17. Meter Alarm Configurations File Data Streams mi Create Edit Upload Schedule SOFT xx comprises two separate applications CONFIG xx and DISPLAY xx CONFIG xx and DISPLAY xx are independent and may each be run on the same PC or different PCs on the same LAN with the proviso that only one instance of CONFIG xx can control frames at a time 2007 Michael Stevens amp Partners Ltd 29 Version S2 1 0 Chromatec AM xx Series 2 Using SOF T xx CONFIG xx This application is the system management administrative tool Password protection can be implemented to prevent unauthorised access Only one instance of CONFIG xx can be run on the same LAN at any one time and CONFIG xx can address no more than four AM xx frames at a time It is therefore recommended that a maximum of four AM xx frames should be used on one LAN CONFIG xx is USB dongle protected and must be run on the PC to which the dongle is connected Configuration Files The administration tool allows many settings to be globally set for all frames or for individual frames This is mainly accomplished by using configuration files which are maintained for each frame and can be uploaded manually or scheduled for upload at set times A configuration file defines the essential alarm and level metering parameters that an AM xx frame will use It covers such things as meter scales types alarm thresholds and sensitivities and
18. Network Setup Up to four AM xx frames at one time may be addressed by CONFIG xx by selecting the IP address of each frame in turn and adding them to the frame list When several frames are integrated via CONFIG xx they will appear within both software applications as one system rather than as separate frames For example audio channels will appear in numerical sequence starting with channel 1 of frame 1 In a system with four fully populated AM xx frames channel 64 of frame 4 will appear as channel 256 Before using CONFIG xx to edit AM xx frame settings it is strongly recommended that all current configuration settings are saved This can be done by allowing CONFG xx to obtain the frame s current settings and saving them as explained in the online help file Use the online help facility for each application for further information 2007 Michael Stevens amp Partners Ltd 33 Version S2 1 0 Chromatec AM xx Series 2 Problem solving Problem solving The power switch should illuminate red whenever mains power is supplied Always ensure that power is connected before using the problem solving guide A spare fuse is supplied in space provided in the IEC mains connector before the unit leaves the factory Always replace the fuse with one of the correct value as shown in the Installation section The pair of red LEDs on the front panel above the keyboard socket illuminate to indicate the presence of internal from the AC PSU and or
19. Note Selected channels are common to analogue and digital outputs and cannot be set independently This also applies to streamed audio monitoring Audio network stream Up to four audio network streams can be put on the network at the bit rates shown The URLs to use for playing back the streams are rtsp lt ip_address gt stream1 rtsp lt ip_address gt stream2 rtsp lt ip_address gt stream3 and rtsp lt ip_address gt stream4 where ip_address is the IP address of the AM xx See the Specification Chapter and FAQ for help with configuring media players and networks Screen resolution There are currently two output resolutions supported 1024x768 60 Hz and 1280x768 71 9 Hz If a new resolution is selected it will flash red to indicate that both Lock and Insert On must be pressed together to change the output resolution 2007 Michael Stevens amp Partners Ltd 19 Version S2 1 0 Chromatec AM xx Series 2 Operation The default of 1024x768 60 Hz is supported by most CRT monitors and 15 17 inch LCD monitors The wide screen resolution of 1280x768 71 9 Hz may not be suitable for monitors that cannot lock to its horizontal refresh rate of 57 9 kHz Note An LCD monitor should always be run at its native resolution to avoid image degradation as a result of artefacts caused by the LCD s internal scaler Align monitor size position The white active area rectangle allows the auto adjust feature of analogue LCD panels to
20. ally Manually gt Bar Grouping 0 Analogue 64 Digital to 64 Analogue 0 Digital Bars in 2 bar steps RESET Channels 1 1 or Analogue Digital Groups Note INSERT LOCK to Confirm RESET gt Bar Channel Assignments Use lt gt to select channel or Off to select bar Press Lock briefly to leave sub menu Set Bar Colours All bars the same Each bar individually Group of 32 16 8 4 2 bars Over Range Colour Use lt gt to select colour 7 to select bar Press Lock briefly to leave sub menu Upper Range Colour Use lt gt to select colour to select bar Press Lock briefly to leave sub menu Lower Range Colour Use lt gt to select colour to select bar Press Lock briefly to leave sub menu Background Colour Use lt gt to select colour Analogue Upper Range Use lt gt to select range point value to select bar s Point Press Lock briefly to leave sub menu Analogue Lower Range Use lt gt to select range point value 7 to select bar s Point Press Lock briefly to leave sub menu Digital Upper Range Point Use lt gt to select range point value 7 to select bar s Press Lock briefly to leave sub menu Digital Lower Range Use lt gt to select range point value to select bar s Point Press Lock briefly to leave sub menu Labels Use lt gt to select Numeric Text Rotated Numeric Rotated Text or Off Label Colour Use lt gt to select colour Peak Hold Use lt gt to select value Off
21. and Maintenance of the Chromatec AM xx In Picture Audio Meter and Alarm System and any associated equipment must be carried out by PERSONS SUITABLY QUALIFIED to work with equipment which may be connected to the mains supply The AM xx MUST BE DISCONNECTED amp ISOLATED FROM THE MAINS INPUT and from other product outputs before undertaking maintenance ELECTRIC SHOCK HAZARDS exist if conductive instruments neck chains or fingers etc are placed within the AM xx or in close proximity of the input output terminals connectors Incorrect installation can cause internal components to rupture and particles to be ejected from the product TOXIC FUME HAZARDS exist if the unit is subjected to direct flames or excessive temperature of above 100 Degrees Centigrade ambient The mounting and installation of the unit must be arranged by the user to comply with all safety regulations by the indigenous authority Disposal Do not incinerate as explosive and toxic fume hazards exist Disposal must be by dismantling the product to component level and disposing of each component by an approved method Supplied accessories item o O Accessory 1 AM xx frame 2 Manual 3 Mains lead 4 8 x 25 way D connector 5 Molex DC power connector 6 IEC plug retaining clip Options Ordering Code Code Description SOFT xx PC software for remote configuration monitoring and multiple AM xx integration IP 16A 16 channel analogue audio I P card IP 16D 16 chan
22. audio mon screen resolution About Firmware and installed cards INSTALLATION POWER AND FUSES HEALTH AND SAFETY CONSIDERATIONS 2007 Michael Stevens amp Partners Ltd AM xx N N SN Ob O O N N N O O 11 11 11 12 15 16 18 20 21 21 22 Chromatec Disposal Supplied accessories Options INPUT CARD CONFIGURATIONS CONNECTOR l O Audio input connector pin assignments Audio monitoring output connector pin assignments REMOVING THE TOP COVER UPGRADING FIRMWARE USING SOFT XX CONFIG xx DISPLAY xx INSTALLATION GUIDE System requirements Initial Setup PROBLEM SOLVING Sample problems and their solutions SPECIFICATION 2007 Michael Stevens amp Partners Ltd AM xx 22 22 22 23 23 25 26 2 28 29 30 30 32 32 33 34 34 37 Chromatec AM xx Series 2 Introduction Introduction The Chromatec AM xx is an audio meter and alarm system for up to 64 audio channels and is especially suited for multichannel studio live sound and OB or post production metering applications in radio and television The AM xx is supplied as a 1U rack mounting frame nm M AS INSERT ON PARAMETER It has programmable signal fault alarms and multiple units may be monitored and controlled over a TCP IP network Each unit provides a direct output to a local high resolution display The AM xx Series 2 optionally allows audio metering and alarm status information to be keyed into a S
23. ay also be distributed over a LAN to other devices that can render audio meter bargraphs and alarm status information to screen and the protocol used is available by request Available accessories include audio input breakout cables for converting from XLRs or BNCs in the case of unbalanced AES EBU to 25 way D connectors 2007 Michael Stevens amp Partners Ltd 3 Version S2 1 0 Chromatec AM xx Series 2 Introduction Main features Supports up to 64 channels of AES EBU and analogue audio with 8 channel plug in cards Optional audible monitor output card for 4 analogue and digital pairs from any source DIN PPM BBC PPM NORDIC PPM VU VU EXTENDED AES EBU scale types each with their own ballistics range colours break points and level reference On screen bargraphs may be grouped according to signal type or manually assigned to sources irrespective of signal format Card option for in picture audio metering alarm status display with SD HD SDI video source Sources can be named with up to 16 alpha numeric characters Per channel alarms for audio carrier loss over and under level amp anti phase Phase bar assignable to any channel pair On screen menu for unit configuration Keyboard socket for custom labels External 24V DC connector for use in vehicle applications or as backup to mains supply Optional SOF T xx control source bar labelling monitoring and configuration scheduling software for use with multiple units over a LAN
24. can be used independently of CONFIG xx and can either read existing pre configured AM xx data streams on the LAN or request it s own stream if none are available If no streams are available all data will be streamed Monitoring level data and alarms Although only CONFIG xx has control of the configuration files DISPLAY xx allows a House Style to be maintained for users working in similar areas by using named files to save and recall style sheet settings These include the colours and break points used for bargraph ranges the number of bargraphs visible at one time in the Full Screen display whether bargraphs or meters are used to build virtual meter bridges and whether alarms are combined with the Full Screen bargraph display or only shown in a dedicated Alarms wW ndow Note Administration level users can limit the data monitored by DISPLAY xx at selected workstations and from selected frames using CONFIG xx for example to only send alarm data but not level data Virtual Meter Bridge Displays Parameters monitored by DISPLAY xx can include audio level audio loss carrier loss when using AES EBU inputs over level and sustained anti phase between assigned channel pairs Six industry standard audio meter types are supported and each meter can have its own range colours break points and reference level m Bargraphs Note Channel names audio formats alarm sensitivity and meter scale types are normally
25. ddress is the IP address of the AM xx What is the recommended network capacity Network capacity should be sufficient to carry the intended load This will be the sum of level and alarm data together with any streamed audio monitoring data The alarm and level data bandwidth required for every monitoring application is up to 370kbps The configuration application needs alarm data at 85kbps for logging and every stereo pair streamed at full bandwidth adds 1 6Mbps So if there are four active monitoring stations and four full bandwidth audio monitoring streams the required minimum bandwidth on the network will be nearly 8Mbps Lower bit rates can be achieved with lower quality audio steams and or less alarm or data information See the Network Requirements section in the Introduction chapter Note Any routers on the subnet that the AM xx is connected to must allow multicasting packets to pass 2007 Michael Stevens amp Partners Ltd 36 Version S2 1 0 Chromatec AM xx series 2 Specification Specification No of audio inputs Level Processing Audio formats Analogue inputs Digital inputs Video input option Video output option Main Display output Audio Monitor Out 2007 Michael Stevens amp Partners Ltd 37 Up to 64 audio channels 32 pairs using 1 to 4 audio input cards each supporting 16 channels 8 pairs 16 bit resolution Analogue Digital AES EBU Surround and other formats to be ad
26. e either balanced or unbalanced digital inputs The settings are set via jumpers on each digital audio input card Jumper Positions Oty 1 2 Balanced 2 3 Unbalanced 5 J te N L Channel 1 J2 J3 J4 Channel 2 J5 J6 J7 Channel 3 J8 J9 J10 Channel 4 J11 J12 J13 Channel 5 J14 J15 J16 Channel 6 J17 J18 J19 Channel 7 J20 J21 J22 Channel 8 J23 J24 J25 Lead 4 4 aly ti p Ic E ja fa fa fa fao La I I meee ab s 4 Ca Pa Ga i wj fe afi tot Par r Y L y CT i ao Otho el TOWT t us 3 ey pee iy Fi Mamai a ioma I o AT T e aai FAN IND Pa J oe xX iAd Sf Hat MOLES S500 Di 7 7 aG A Das bas os os Es i MHIE I 4 gt x IETS l I d x E E f 4 a gt E lt 2007 Michael Stevens amp Partners Ltd 25 Version S2 1 0 Chromatec AM xx Series 2 Installation Audio monitoring output connector pin assignments Analogue Out Connector type 25 way D male Chan 1 Chan 2 Chan 3 Chan 4 Chan 5 Chan 6 Chan 7 Chan 8 GND 25 11 22 19 16 VE 24 10 21 18 15 Digital Out Connector type 25 way D male 2007 Michael Stevens amp Partners Ltd Channel pairs Chan 1 2 Chan 3 4 Chan 5 6 Chan 7 8 19 5 16 2 26 GND VE 18 4 15 1 VE 6 17 14 Version S2 1 0 2007 Michael Stevens amp Partners Ltd 27 Chromatec AM xx
27. external DC power sources In the event that the internal DC power indicator LED is extinguished while the main power switch remains illuminated failure of the internal PSU should be suspected The AM xx will continue to run from an external backup 24V DC supply if provided Sample problems and their solutions There is no video output Check that there is power to the unit and that it is turned on Check that the video output resolution is not beyond the capability of the display see answer to question below An output should be seen within a few seconds of switching on If using the SD HD SDI video output ensure that the xx VID controller card option is installed and that a suitable source is connected to the video input The image appears fuzzy or lacking clarity If an analogue or digital LCD Plasma screen is used check that the resolution used is the same as the native resolution of the panel This will avoid forcing the panel to rescale the image Most panels produce artefacts when their internal scalers are active AM xx output resolution is set using the Screen Resolution function under the System menu The image is not centred in the screen Use the monitor controls to align the image lf an analogue LCD screen is used use the auto adjust facility A screen extents rectangle can be displayed to assist manual or automatic centering via the Align Monitor Size Pos function under the system menu Unit fails to respond correctly t
28. g Molex connector The mains voltage 240 100 volts will be auto detected provided it is in the range 100 240 V and 47 63Hz The unit uses a 1A fuse Note A spare 1A fuse should be located under the pull out flap plug securing clip is supplied as an accessory with the AM xx for optional use please check your local electrical safety requirements before fitting As a failsafe measure both power sources may be connected simultaneously In the event of the loss of one power source the AM xx will continue to run on the remaining supply without interrup tion Dual power sources are handled within the AM xx by a diode circuit with a sharp cut off character istic This circuit will favour the power source resulting in the highest internal DC voltage Therefore careful consideration must be given to installations where the backup DC power is sourced from a battery To avoid the possibility of a backup battery source being depleted unnecessarily while an AC source is available it should be ensured that the external DC supply does not exceed 25V The power switch should illuminate red whenever mains power is supplied A pair of red LEDs on the front panel above the keyboard socket illuminate to indicate the presence of internal from the AC PSU and or external DC power sources 2007 Michael Stevens amp Partners Ltd 21 Version S2 1 0 Chromatec AM xx Series 2 Installation Health and safety considerations The Installation
29. house preference exists to use analogue bars for digital inputs or to use AES EBU bars with analogue inputs Notes Bar groups are named according to the bar type supported not necessarily channel signal type Unwanted bargraphs may be switched off by selecting Off instead of an input channel number under Bar Channel Assignments when using manual assignment Bar grouping When Assign Channels to Bars is set to Manually the size of the analogue and digital bar groups can be altered in two channel steps Highlight the Bar Grouping menu and use the Select Parameter left right arrow keys to change the bar groups from the appropriate sub menu Note As one group size increases the other decreases by the same amount Bar Channel assignments When Assign Channels to Bars is set to Manually each input regardless of signal type can be assigned to an analogue or digital bar These channels can then be monitored using a bar type from those available for the group Highlight the Bar Channel Assignments menu and use the Select Parameter left right and Function Fade Up Down arrow keys to change the channel number assigned to each bar from the appropriate sub menu Note Only AES EBU bar types can be used for channels in the digital bar group Reset channels 1 1 or analogue digital groups The Bar Channel Assignments menu also proves a reset function to restore either of the following default settings e grouping of inputs within the bar groups
30. irmware files should be visible AMXX BIN for the AM xx controller firmware and amxxnet_APP s19 for the network firmware 3 Copy the replacement file or files to the clipboard and paste them where the original files appear 4 The file transfer will begin The new network firmware will take effect only after the AM xx has been rebooted Note The IP addresses of the frame and the PC must be in the same range If necessary the IP address of the frame can be changed within the on screen menu see page 18 2007 Michael Stevens amp Partners Ltd 28 Version S2 1 0 Chromatec AM xx Series 2 Using SOF T xx Using SOFT xx SOFT xx has been developed specifically for use with the Chromatec AM xx multi channel audio meter system on a TCP IP network The main purposes of the software are e The integration of up to four AM xx frames with a combined capacity of up to 256 mono or 128 stereo audio channels on a LAN e Remote control audio metering and audible monitoring via LAN e Tocreate store and schedule the upload of different user configurations e Tocreate a log of system events e Remote monitoring and reset of system alarms Operators do not need to know which frames process which audio channels as the combined system will appear as a virtual 256 channel monitoring system DISPLAY xx CONFIG xx TCP IP Comms DISPLAY xx i FEB AM xx Settings Network Setup Channel Names Formats Configuration
31. mini phase bars which can be turned on for each bar The colours for in phase and out of phase are customisable 2007 Michael Stevens amp Partners Ltd 6 Version S2 1 0 Chromatec AM xx Series 2 Introduction Network requirements There are many ways networks can be configured and a hard and fast rule is hard to make as both latency and bandwidth will affect operation Bandwidth requirements can be calculated from are the sum of the alarm and level data together with any streamed audio monitoring feeds An AM xx frame being monitored by SOF T xx will require up to 455kbps at startup assuming one monitoring application and no streamed audio Further monitoring applications will require up to 370kbps each Streamed audio bandwidth is dependent on monitoring audio quality and the number of stereo pairs being monitored Full bandwidth quality requires 1 6Mbps for each stereo pair so the maximum bandwidth needed for four stereo pairs would be 6 4 Mbps This figure must be added to the bandwidth needed for all of the Monitoring applications expected to be active at one time The next section discusses bandwidth requirements in more detail Level and alarm streams Level and alarm streams use unicasting for every monitoring session invoked Data Rate Audio and phase levels plus alarms 370kbps Alarm data only 85kbps When the SOFT xx starts it will establish one stream for a connected AM xx frame at 455kbps which is the sum of the two
32. nel AES EBU digital audio I P card xx VID In picture video I O controller card xx MON Audio monitor O P card analogue amp AES EBU 8XLR 25 8 x XLR FM to 25 way D connector analogue I P cable 4XLR 25 4 x XLR FM to 25 way D connector AES EBU I P cable 4BNC 25 4 x BNC to 25 way D connector unbalanced AES EBU I P cable 2007 Michael Stevens amp Partners Ltd 22 Version S2 1 0 Chromatec AM xx Series 2 Installation Input card configurations The AM xx may be fitted with up to four hot swappable input cards Controller I P 17 32 I P 1 16 Audio Monitor I P 49 64 I P 33 48 AM xx 1U frame showing card slot positions The input cards are always installed in the 4 right hand slots as viewed from the front The controller card is always fitted in the top left slot and the output card is always fitted in the bottom left slot Note Input cards are hot swappable and may be freely inserted and removed whilst the unit is powered Changes are normally recognised immediately however inserting analogue cards may force a system reset This is not harmful and the inserted cards will always be recognised following a reboot Connector I O All connections are provided on the rear panel of the frame Audio connections use a 25 way D type connector SD HD SDI video in video out use BNC connectors and the RS232 RS422 port uses a 9 way D type connector The LAN connector is a standard RJ45 connector and the main display ou
33. ners Ltd 18 Version S2 1 0 Chromatec AM xx Series 2 Operation changes made are saved automatically when exiting the menu by briefly pressing the Lock button whichever User is selected Note A separate set of channel labels may be saved for both User 1 and User 2 memories Applying Reset User n returns the settings of user n memory to the factory default Factory defaults may also be applied with a Master Reset as explained in the Trouble Shooting chapter Reset and Copy functions require the Lock and Insert On buttons to be pressed together as confirmation Network Settings These settings only need to be manually entered if DHCP is set to NO This would be required for a network that uses fixed IP addresses and does not rely on a DHCP server to allocate them automatically lf DHCP is used the settings are greyed out but should nevertheless be valid provided the DHCP server has updated the frame The MAC address is the physical address of the IP port it is unique to the frame and cannot be changed Tip The P address must be unique on the network Please see your system administrator if these details are required Audio monitor assign There are four audio monitor output pairs available in both analogue and digital form Each of these pairs can be assigned to any pair of audio inputs available Analogue and digital audio monitor outputs are both provided irrespective of the input format signal monitored
34. o commands Power cycle the unit and or perform a Master Reset gt In the unlikely event that the unit fails to respond correctly a Master Reset l i may be applied to restore all settings to the factory default Turn off the power for a few seconds then turn it back on while pressing both Fade Function buttons until the bargraphs appear This may take up to ten seconds Follow any required configuration steps after any reset The Monitor Select Cursor cannot be seen Check that it has not been scrolled off screen All alarms and bargraph elements turn on in menu mode This is done to allow AM xx configuration changes to be viewed immediately 2007 Michael Stevens amp Partners Ltd 34 Version S2 1 0 Chromatec AM xx Series 2 Problem solving Can l use analogue bargraphs for digital inputs or digital scales for analogue inputs Yes The range colours break points and level references are set for the scale type and NOT the source assigned For example assuming the following settings Analogue scale type AES EBU Analogue Digital scale reference 18dBfs Analogue OdB reference OdBu Digital upper range point 18dBfs Digital lower range point 40dBfs Feeding in analogue OdBu will produce a level of 18dBfs with the colour changes occurring at 40dBfs and 18dBfs Changing the Analogue OdB reference to 4dBu will produce a level of 22dBfs with the colour changes unaltered Changing the Analogue
35. ol and monitoring software to monitor and configure multiple units over a network The optional Windows PC software SOFT xx provides multiple frame integration automated control event logging configuration scheduling real time diagnostics and unlimited user setups It also acts as a desktop meter bridge by rendering analogue and digital audio meters and alarms to screen for up to four frames m Bargraphs ii Restan Hen _ Channels can be named for ease of use and associated with alarms and analogue or digital meters as required 2007 Michael Stevens amp Partners Ltd 2 Version S2 1 0 Chromatec AM xx Series 2 Introduction Other optional networked monitor accessories are available to further enhance the monitoring of multiple audio streams in multi channel control rooms For example the ALARM xx remote alarm reads up to 32 channels of alarm data from a single AM xx frame The unit has front panel LED indicators which show each type of alarm condition for each channel ALARM xx units may be easily cascaded to monitor more channels The unit has front panel LED indicators which show each type of alarm condition for each channel ALARM xx units may be easily cascaded to monitor more channels REMOTE xx is a 1U hard wired remote control panel which replicates the front panel keys to allow the AM xx to be mounted away from the main operational position Audio level and alarm data m
36. p to 4 pairs compressed audio monitor data LAN port Data out alarms out reset parameter read set Note audio meter scale ballistic data are in dB Scales and Ballistics NORDIC Overall dynamic range 54dB 12 to 42dB Attack time 10mSec Decay time 1 Sec per 20dB decay DIN PPM Overall dynamic range 55dB 5 to 50dB Attack time 10mSec Decay time 1 5Sec per 20dB decay BBC PPM Overall dynamic range 24dB 3dB down Mark 1 12 to 12dB Attack time 10mSec Decay time 2 8Sec per 24dB decay from Mark 7 to Mark 1 VU Overall dynamic range 23dB 3 to 20dB Attack time 300mSec Decay time 300mSec per 20dB decay VU EXT Overall dynamic range 60dB 10 to 50dB Attack time 300mSec Decay time 300mSec per 20dB decay AES EBU Overall dynamic range 60dB 0 to 60dB Attack time lt 5ms Decay time 1 5Sec per 20dB decay Phase Correlation Attack time 0 4Sec for zero to 1 deviation Display Decay time 0 4Sec for 1 to zero deviation Input dynamic range 45dB Minimum input level 45dBu Network 370kbps per monitoring station plus 85kbps for logging plus Up to 6 4Mbps audio streaming at full stereo bandwidth Subnet routers must pass multicast packets Mechanical 1U 19 Rack Mount box Outline Dimensions 484mm W x 453mm D x 44 5mm H Weight 6 8kg 2007 Michael Stevens amp Partners Ltd 38 Version S2 1 0 Chromatec Power Environmental Front controls Rear panel AM xx series 2 S
37. pecification AC internal switch mode PSU 100V 240V 47 63 Hz auto selected 50W max DC external 20 35V nominally 24V 2A Temperature 0 C to 30 C Humidity 70 max Power on off and PS2 keyboard connector plus removable panel with 6 configuration buttons 8 x 25 way D type connector for audio inputs and 2 x 25 way D type connectors for audio monitor out BNC for video input BNC for video out PS2 keyboard connector 9 way D type connector for serial data RJ45 connector for LAN DVI I Microcross connector for video out USB connector is for fast data access 2007 Michael Stevens amp Partners Ltd 39 Version S2 1 0
38. r for selected bars If it is adjusted for all bars the effect will be to scale all the bars horizontally on the display All bars may also be adjusted together for horizontal and vertical position There is no horizontal vertical setting for individual bars Bargraphs spacing may be adjusted between all Left and Right bars and for spacing between all L R pairs and between selected bar pairs Width and spacing is adjusted in pixels Phase Bars phase bar and multi indicator settings Phase Bars Parameter s Phase Bar Mode Off On Bar Hold Phase Bar Assign Cursor Channels 1 amp 2 to Channels 63864 available channels depend on installed cards Phase Bar Position Top Bottom Phase Multi Indicators Off In Out Out Only In Phase Colour Named Colour Out of Phase Colour Named Colour Phase bar settings The phase bar can be positioned at the top or bottom of the screen and assigned to any channel pair It can also be assigned to the on screen cursor controlled by the Select Parameter Left Right keys so that moving the cursor assigns the phase bar Multi indicators Multi indicators appear above each pair of bars but below any alarm indicators In Phase and Out of Phase colour assignments are the same for both multi indicators and the assignable phase bar 2007 Michael Stevens amp Partners Ltd 15 Version S2 1 0 Chromatec AM xx Series 2 Operation Alarms configuration Alarms Parameter s Alarm Auto Reset OFF
39. s long may be created either by using a keyboard attached to the PS2 socket on the front or rear of the unit or by using the AM xx Configuration and Monitoring software If a keyboard is connected into the front of the unit keyboard mode will be available when Labels is selected The attached keyboard can then be used to enter text directly at the cursor position which will initially be below the first left hand bar on the screen Customised labels up to 16 characters long can be entered Use the up down keys to change character position the delete and backspace keys to change text and the keyboard left and right keys to move to another bar Note The US keyboard layout is used Labels may be in one of the following formats Text Rotated Text Numeric Rotated Numeric and Off The label colour may be any named colour available These choices affect all labels Peak hold indicators Peak hold indicators are provided for all channels The delay time before decay may be set according to requirements and includes an infinite setting which indicates the maximum level attained over any period of time until it is reset This is carried out by briefly pressing the Lock button when in the normal operating mode Peak Hold colour may be any named colour available 2007 Michael Stevens amp Partners Ltd 14 Version S2 1 0 Chromatec AM xx Series 2 Operation Bar width position and spacing Bar width can be adjusted for all bars o
40. t submenu when menu name highlighted or change Parameter value within menu VA Select item in menus and sub menus LOCK Press Lock briefly to return to main menu from sub menu Press Lock for more than 3 seconds to leave menu system INS lt gt Move to another main menu scales analogue and digital scale types reference value and colours Scales Parameter s Analogue Scale Type DIN PPM BBC PPM NORDIC PPM VU VU EXTENDED AES EBU Analogue Scale Position BOTH OFF LEFT RIGHT Analogue 0dB Reference 0 0dBu to 12dBu in 0 1dB steps Digital Scale Type AES EBU DIN PPM BBC PPM NORDIC PPM VU VU EXTENDED Digital Scale Position BOTH OFF LEFT RIGHT Analogue Digital Scale 12 dBFS to 28 dBFS in 1dB steps Reference Scales Colour Select named colour for the meter scale numbers Bargraph scales Standard scales and their corresponding ballistics may be selected These may be positioned to the left right or both sides of the relevant bargraphs or turned off Analogue and digital scale references The AES EBU scale is designed for use with digital audio Analogue scales can be used for AES EBU channels and AES EBU scales may be used for analogue channels but the default normal and upper range settings are re scaled 2007 Michael Stevens amp Partners Ltd 11 Version S2 1 0 Chromatec AM xx Series 2 Operation Level Bars bar and label settings Level Bars Parameter s Assign Channels to Bars Automatic
41. tput uses a standard DVI I Microcross connector The USB connector is for fast data access p o p o INPUTS 1 8 INPUTS9 446 CE INPUTS17 24 N INPUTS 25 32 N RS232 ws z GR e e ER e e Ey e e lt _ i fil aa IU U U C w Q f INPUTS 33 40 INPUTS 41 48 WEEG INPUTS 49 56 NNN INPUTS 57 64 KBD AES EBU OUT ANALOGUE OUT VIDEO OUT FuseTiA 90 240VAC 47 63Hz AM xx 1U frame connector I O 2007 Michael Stevens amp Partners Ltd 23 Version S2 1 0 Chromatec Serial port assignments Female 9 way D connector RS232 RS422 assignments OU Function COO OO N O O OO N gt 2007 Michael Stevens amp Partners Ltd AM xx Series 2 GND RS422 RX RS422 TX RS232 RX N C RS232 TX RS422 RX RS422 TX N C 24 Installation Version S2 1 0 Chromatec AM xx Series 2 Installation Audio input connector pin assignments Analogue EBU In 1 8 Connector type 25 way D female AES EBU I P GND VE VE Analogue 1 Chan 1 amp 2 25 24 12 Chan 1 N C 11 10 23 Chan 2 2 Chan 3 amp 4 22 21 9 Chan 3 N C 8 7 20 Chan 4 3 Chan 5 amp 6 19 18 6 Chan 5 N C 5 4 17 Chan 6 4 Chan 7 amp 8 16 15 3 Chan 7 N C 2 1 14 Chan 8 Note Odd channel numbers only for AES EBU Unbalanced AES EBU sources can be connected to either GND amp VE or VE amp VE AES EBU inputs may be jumper selected per channel to b
42. ttons move channel select cursor to select phase bar source e Lock button resets the peak hold indicators when pressed briefly Lock button enters menu mode when held down for about three seconds e Insert button toggles in picture display on or off when in picture display option is installed The green Insert LED illuminates when Insert is on 2007 Michael Stevens amp Partners Ltd 8 Version S2 1 0 Chromatec AM xx Series 2 Operation Menu mode To enter menu mode from normal mode with the red Lock LED off hold the Lock button down for about 3 seconds The configuration or menu mode will be entered on screen menus will appear and the red Lock LED will illuminate If the Lock button is held down again any changed settings will be saved and the AM xx will return to normal meter mode The menu mode will return to the last menu item visited provided the unit has not been reset or switched off since a configuration menu was last accessed The main menu mode controls are as follows e Function scrolls menu cursor up and down to select function e Select Parameter keys lt gt selects settings to apply to chosen parameter also selects main menu when menu name is highlighted e Insert On Select Parameter INS lt gt selects main menu page e Insert On Lock confirms action in some menus e Lock button leaves menu mode and saves settings when held down for about three seconds 2007 Michael Ste
43. vens amp Partners Ltd 9 Version S2 1 0 Chromatec AM xx Series 2 Operation Control button summary The 6 menu buttons are assigned functions as follows Button Normal mode Menu mode Insert On EZ sasa Toggles in picture No function i display on or off option Function No function Scrolls cursor up and down menu to select Fade a9 function E Select Use keys to select Selects settings to Parameter PE aa monitored source apply to parameter lt gt using on screen chosen with function Ga cursor buttons Also selects menu when menu name highlighted Insert On SU Essl No function Selects menu m Parameter Insert On a ia Sara No function Confirms action in Lock i a some menus oe Lock maaa Resets bargraph No function pressed a peak hold and main briefly phase bar hold ore Lock held ee aE Hold down for 3 Saves settings and down a seconds to access returns to normal mode configuration menus tore Button functions Note Factory reset may be applied by holding down the Function Fade buttons whilst performing a power cycle see the Trouble Shooting for further details 2007 Michael Stevens amp Partners Ltd 10 Version S2 1 0 Chromatec AM xx Series 2 Operation Menu Commands The menu or configuration mode is entered by holding the Lock button down for three seconds This will allow configuration menus to be accessed Menu Navigation lt gt Selec
44. vised Input connector 25 pole D type Input impedance 20K Ohm balanced Input sensitivity OdBu 0dB scale reading Input sensitivity adjustment 12 12dBu in 0 1dB steps Max Input level 24dBu Frequency response at 3dB points 15Hz to 23KHz Frequency response at 0 5dB points 60Hz to 20KHz A D converter Stereo 18 bit Sampling frequency 48KHz Rectifiers Software full wave rectifier Detectors Software peak detector Input connector 25 pole D type Input type Differential 110 Ohm terminated or single ended 75 Ohm terminated Input compatibility RS422 Input interface Transformerless professional AES EBU Sampling frequency 32 44 1 48k 96kHz detected via input Rectifiers Software full wave rectifier Detectors Software sample detector Balanced Unbalanced selected by jumpers on the PCB PAL NTSC SD HD SDI SMPTE 259M SMPTE 292M PAL NTSC SD HD SDI SMPTE 259M SMPTE 292M Output connector Microcross DVI I Digital DVI and RGBHV via adaptor Resolutions supported XGA 1024x768 60 Hz 48kHz and 1280x768 72 Hz 58kKHz Up to 4 pairs balanced analogue max 20dBu and AES EBU 24 bit Any 96kKHz AES EBU sources will be resampled to 48kHz and sent out at 48kHz Version S2 1 0 Chromatec AM xx series 2 Specification Data I O RS232 or RS422 115Kbps max Data out alarms out reset parameter read set USB 2 6 144MHz max Data out alarms out reset parameter read set Includes u
45. which of the available alarms can be used on a per channel basis All of these parameters can be changed by uploading a different configuration file Changes can also be scheduled to take place at selected times Uploading and scheduling are restricted to users with access to the CONFIG xx configuration application AM xx Settings Some settings need to remain fixed and parameters such as channel names and audio formats supported by particular channels and network streaming formats are not held within a configuration file but can nevertheless be changed by configuration level users using CONFIG xx DISPLAY xx This application is used in operational areas where audio and alarm monitoring is required It may be password protected to restrict user access Multiple instances of DISPLAY xx can be run simultaneously on the same LAN but each can only monitor up to four frames DISPLAY xx has two levels of functionality For full operation a dongle must be connected to the PC on which it is to be run Full Operation with dongle e Remote alarm monitoring and reset for up to 256 audio channels e User configurable audio metering for up to 256 audio channels e Switching of AM xx frame audio monitor and audio streaming outputs Limited Operation without dongle e Remote alarm monitoring and reset for up to 256 audio channels 2007 Michael Stevens amp Partners Ltd 30 Version S2 1 0 Chromatec AM xx Series 2 Using SOF T xx DISPLAY xx
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