Multifunction Show Controller User Manual
Contents
1. 18 decimal followed by 171 decimal When in hexadecimal mode the received data would be displayed as hexadecimal digits When the 8 Bit Set check box is checked all output byte would be sent out with the 8 bit turned on This is convenient for communication with the AMX Radia dimmer unit in Prolink protocol Update Now the Update Now button forces an update of all the information in this dialog from the hardware controller Auto Update when this check box is checked the application would force an update from the hardware controller every second Set Clock this button would synchronize the controller s date and time with those from the PC Close this button would close this Digital I O dialog x Digital Inputs Relays 1to8 Sto 16 17 to 24 1 2 0000 0000 0000 00004 0000 0000 Li Li Digital Outputs 1 2 E 4 5 B i 8 sp i aly aay az 131141 15 16 ee Ls WER al 21822 2a 24 DMX Fade Command rt sS s STO Sd Port Definition Videos Parity Port Port 1 z amy None Y Port Port 1 Frame Search Type Pioneer LD v Baud 4900 gt Set Port Stat Play Sti Pause Stop Port Communication Port Port 1 Clear Pat Send Read Hex Mode 8th Bit Set Send Revr Auto Update Update Now Set Clock Figure 14 I O Control Dialog The Audio Controls option of the View menu is av2. Figure 16 It shows a list of filters defined for the selected output It allows the filter parameters to be modified The frequency response of each filter and the overall response are plotted The filter frequency and the gain can also be modified by clicking in the plot window downstairs EE 0X Cross Point Matrix N Inputs 10 N Dutputs t6 Set Size Fade Command Send Output 1 Actual N Filters Output Vol dB o Delay ms o Intended N Filters E Input 1 Input Vol dB o ADAT1 Output Selection d Qut 9810 DQul amp 12 5 OUT 1384 7 OUT 15816 2 C MP3182 4 C MP3 3 amp 4 6 MP3586 g MP3 7 amp 8 ADAT2 Output Selection Out 9810 3 uwii 5 DUT 13814 7 QUT 15816 2 C MP3182 4 C MP3 384 C MP3 586 E C MP3 788 Global Volume dB o Update From E Save To Power Parametric Device Partition Fiters Up Preset EG Close Figurel5 Audio Control Dialog gea downstairs LLL o xi Parametric EQ For ET TENE 0 100 1000 10000 FART ON Yes Bandpass 14637 Hz 40 0 dB 1 00 Octaves v Overall Response v Filter Enabled Type Bandpass v Freq 14637 Hz Gan 4 Bw NE octaves Figure 16 Parametric Equalization Dialog Appendix B Storage Constraints and Map Files The ShowgramV4 compiler imposes no specific constraints on the total number of cues total number of vari
3. ONLY version that has no MP3 decoders For the MSC ONLY version inputs 1 to 8 of the DSP mixer matrix are mapped to the 8 analog audio inputs However for the FULL version inputs 1 to 8 of the mixer matrix can be either the MP3 decoder outputs or the analog audio inputs The selections are under ShowgramV4 script control The selections are made pair wise i e channels and 2 are selected together 3 and 4 together 5 and 6 together and 7 and 8 together MP3 Decoder 1 Left dlc cR NM i DSP Mixer Matrix Input 1 Analog Audio Input 1 MP3 Decoder 1 Right Output x M DSP Mixer Matrix Input 2 Analog Audio Input 2 Inputs 9 and 10 are always mapped to the stereo analog audio inputs For both FULL or MSC ONLY versions inputs 11 to 18 of the DSP mixer matrix can be mapped to the 8 input channels of ADAT 1 or the 8 analog audio inputs Once again the selections are made pair wise ADAT Interface 1 Input 1 x i DSP Mixer Matrix Input 11 Analog Audio Input 1 gt ADAT Interface 1 Input 2 gt DSP Mixer Matrix Input 12 Analog Audio Input 2 The 8 inputs of ADAT 2 are not used at the moment Outputs 1 to 8 are always mapped to the 8 analog output channels on the back panel Outputs 9 to 16 are mapped to the outputs of ADAT 1 and outputs 17 to 24 to the outputs of ADAT 2 The outputs of ADAT 1 and ADAT 2 can also be mapped to the outputs of the MP3 decoders with ShowgramV4 script command
4. d is assumed to be the drive letter of the compact flash card For a 256MB card or cards with higher capacity you may format it with format FS FAT A 32K d Parametric EQ Inputl Delay gt O gt O Output1 Outputl gain Global Volume v Figure 5 Block configuration of the SHARC DSP Only one input and one output channel are show There are 4 different sources of audio master clock the onboard 12 288MHz oscillator ADATI input ADAT2 input and the word clock input from the back panel When the same audio material is being played back from multiple controllers for example when the MP3 decoders outputs are propagated to multiple units the audio master clocks on all the units should be synchronized The synchronization can be achieved by deriving the clock from the ADAT inputs or connecting the master unit s word clock output to the slave units word clock input The selection of audio master clock source is achieved with ShowgramV4 script commands h System Time and SMPTE Timecode The show controller has a built in real time clock that understands daylight saving U S system ShowgramV4 events can now be scheduled to occur according to true time of the day You may enable a 7 day system wise schedule specify different system start and stop times for each individual day of the week ShowgramV4 scripts can be written to operate only within the start and stop hours The real time clock is read only at power up After
5. is organized into a multilevel menu tree The Left and Right buttons can be used to move the cursor left and right to highlight different menu items on the current screen The Bottom button can be used to move down to the next level of the menu tree while the Top button is used to go back up one level Use the Select button to go down to the next level of the menu tree To toggle the state of a logical TRUE or FALSE ON or OFF OPEN or CLOSE 1 or 0 hold down the Middle button and toggle either the Top or the Bottom button To increase the value of a parameter hold down the Middle button and toggle the Top button To decrease the value hold down the Middle button and toggle the Bottom button The power up top menu is The third line is a user assigned name of the unit There are four menu items IO Cues Usr and Setup each of which defines the next level of the menu tree a Hardware I O Menu There are four items on the hardware I O menu i Relay Menu The Relay item on the hardware I O menu brings up the relay menu il The cur 1 display shows the currently selected relay Since there are only two relays onboard the only two choices available when you press the Left or Right button are cur 1 and cur 2 When cur 1 pressing the Up or Down button with the Middle button held down toggles the state of the relay The bottom line shows the current state of the relays 0 for OFF and 1 for ON D
6. left corner of the keypad Pushing this SAFETY button with the center keypad button held down would change the front panel back to menu manipulation mode Optically Isolated Lamp Driver Logic Outputs In parallel with the inputs are 24 optically isolated lamp driver logic outputs capable of driving up to 24VDC at 250mA of current per output All Outputs can be configured to generate PWM signals The minimum PWM frequency is 61Hz A typical connection is shown in Figure 4 The inputs and outputs are in parallel in the sense that n input and n output share the same physical connection Therefore if you connect a push button to input 1 and a tally light to output 1 pushing the button would turn on the tally light Similarly when output 1 is driven low turn on the tally by the ShowgramV4 script input 1 would be read as low i e as if the push button is pushed However there is a way to allow using the push button and the tally light simultaneously From the ShowgramV4 script you may declare an IO option for an output Once this option is turned on the 4MP3 MSC hardware periodically turns off the output driver momentarily to sample the input state For the example above the tally light would be turned off briefly so that the state of the push button can be read The turn off period is only about 50us and usually won t cause any blinking effects on the tally light The IO option must be used with caution and should be avoided if the output devi
7. name of the file is automatically generated by concatenating Sunday log Monday log Saturday log to the Unit ID For example if the unit has an ID of MSCI then the log files will be MSCI Sunday log MSCI Monday log MSCI Saturday log The location of the files is the Working Directory of the application For example if the application is installed at the default location then the log files will be in c program files bbi 4mp3 ioj xi view Script Network Unit Firmware Versions Rename downstairs REDDE downstairs mps v1 00 07 14 2004 12 10 59 Untitled 10 msc6 mps v1 00 07 15 2004 17 41 52 Download MPS UCG Download FPG Download DSP Figure 9 Unit Menu Options loxi view Script Network Unit Digital I O Controls Audio Control sss Online Script File Version LastUpdate Network Variables downstairs mps v1 00 07 14 2004 12 10 53 sea msc6 mps Vi 00 07 15 2004 17 41 52 Log Entries Figure 10 View Menu Options Untitled8 e x Tme Sowe LogMessage 0 0 0 0 0 000000000 4l 14 32 08 Sch Shutdown Started 14 32 08 Sch Startup Started 14 32 08 System Script restarted 14 32 09 Sch_Shutdown Started 14 32 09 Sch Startup Started 14 32 08 System Script restarted 14 32 08 Sch Startup Scheduled startup 14 32 08 Startup Started 14 32 08 Sch Startup Exited 14 32 0
8. small access window Two trim pots are also accessible through the same window for adjustment of SMPTE input and output levels Figure 2 shows the layout of the back panel Both AC and DC power supplies can be used Table 1 shows the connection of external powers to the controller Power for the main PC board of the controller should be applied at Pin 3 and 4 of the power connector labeled as PWR Power for the optically isolated inputs and outputs should be applied at Pin 1 and 2 labeled as LMP Power connected to Pins 1 and 2 is rectified and filtered to produce the isolated supply Viso so AC or DC power supplies may be used When DC power supplies are used the controller works with either polarity of the power supplies The remaining connectors on the back panel will be described in the following sections wo fal Figure 2 Back Panel Layout Descriptions Power for optically isolated inputs outputs and all the serial ports Power for optically isolated inputs outputs and serial ports 3 1 Power for main PC board Power for main PC board Table 1 Back Panel Power Connector b Serial Ports There are 8 device ports Device ports 1 to 4 are RS 232 only Port 5 can be RS232 or MIDI The DB9 connector labeled Port 6 has two different ports The RS 232 pins provide a general purpose RS232 port Port 6 The RS 422 pins provide a dedicated DMX port Port 7 and 8 can be RS 232 or RS 422 The baudrate parity and the number o
9. 3 controllers via the Ethernet interface It allows the user to monitor the digital I O configure the DSP mixer set the parametric equalization output filters download ShowgramV4 script and configure the scheduling system It can also be put into maintenance mode for downloading of firmware iix View Script Network Unit IPAddress Online ScriptFie Verson Last Update downstairs 10 1 3 146 Yes downstairs mps 1 00 07 14 2004 12 10 59 Untitled8 10 1 3 152 Yes mscB mps 1 00 07 15 2004 17 41 52 Ready Figure 7 Main Dialog of 4MP3CON Once the application is started it issues a broadcast command to the local network to look for 4MP3 units Online units would report to the application and would be listed in the dialog shown in Figure 7 To manually force a broadcast just pull down the Network menu and select Scan Broadcast only works on the local network defined by the network mask of the Ethernet network In order to connect to a unit beyond the local network pull down the Network menu and select the Connect option A dialog would pop up requesting the IP address of the remote unit Most of entries in the pull down menus are dimmed and not selectable unless one or more units are selected from the unit list Each entry in the unit list has a Unit ID which is user assignable and changeable by pulling down the Unit menu and selecting the Rename option The list also shows the IP addres
10. 4MP3 MSC User Manual For V2 x Hardware 1 Introduction The 4MP3 MSC is a versatile general purpose standalone or computer controlled controller for multimedia shows museum exhibits and themed attractions It operates DVD LD and CD players musical instruments lighting controls and other serial devices using RS 232 RS 422 or MIDI interfaces It has 4 MP3 decoders that can play 4 MP3 files simultaneously from a compact flash card Up to 15 hours of CD quality stereo audio can be stored and played from a single controller unit Each controller responds to closures button pushes or voltage inputs on its optically isolated digital input ports or commands from its eight serial ports Optically isolated digital output ports drive tally lights or other low current devices and relays Two relay closures are also available Digital output ports can be configured to generate PWM signals providing dimming of tally lights or driving servo motors The rear panel connectors on the digital I O and relay ports permit switches lamps etc to connect directly to the controller without punch blocks or other intermediate wiring devices for power and ground bussing Multiple controllers can be controlled directly by a computer via the IOBASE T port Standalone operations are achieved with ShowgramV4 a flexible and powerful scripting language ShowgramV4 scripts are downloaded into non volatile memory in the controller via 1OBASE T Once downloaded the scripts take
11. 8 Startup Starting up 14 32 08 TR Startup Started 14 32 08 WE Startup Started 14 32 08 MonitorMute Started 1432 08 MonitorDocentB Started 1432 08 MonitorDocentB Started 14 32 08 Startup Exited Figure 11 Log Dialog The Schedule option of the View menu brings up the Daily Schedule dialog shown in Figure 12 A start time and a stop time can be specified for each day of the week When the cue in the ShowgramV4 script is configured to follow the daily schedule it would stop executing when the clock of the controller falls outside of the range between the start time and the stop time When the start time has arrived a cue that follows the schedule and has the AutoStart option would start executing When the start time is later than the stop time then the operating hours is from midnight to the stop time then from the start time to midnight The Replication Monday buttons will copy the time for Monday and duplication it to all other days They provide a quick way to create a schedule identically for all seven days The Schedule Enabled check box enables disables this 7 day scheduling system for the given controller unit When the global schedule is disabled all running cues would keep on running and all stopped cue with the AutoStart option won t start except at unit power up The Restore button would restore the schedule currently stored in the controller The Apply button sends the new schedule to the con
12. Unit Download Un y Auto Source Download Online SciptFie Version LastUpdate 1 Yes downstairs mps 1 00 07 14 2004 12 10 59 Ur ERR Yes msc mps VID 07 15 2004 17 41 52 Download Source Retrieve Source Figure 8 Script Menu Options The Unit ID of each unit can be changed by selecting the Rename option of the Unit menu as shown in Figure 9 The Firmware Version can be used to show the versions of the firmware for the script microcontroller the MP3 microcontroller and the DSP The Reboot option allows a remote reboot of the selected unit The other options in the Unit menu are for downloading of firmware and are not available unless the application is in maintenance mode Please contact BBI if firmware download is required Figure 10 shows the options available under the View menu The Log Entries brings up the log dialog in Figure 11 The log dialog shows a list of log messages sent from the 4MP3 controller Each entry is time stamped The Source column shows which cue the log message was sent from A source entry of System means that the message was generated by the controller firmware instead of the user script In addition to listing the log messages in the log dialog the application also write them to a log file A log file is created for each controller and a different file is created for different days of the week The
13. ables total number of constant strings The one and only constraint is that there is a maximum of 40960 bytes of EEPROM RAM space available for script storage and script execution The amount of EEPROM RAM consumed by a ShowgramVA file is listed in the map map file There are also 136948 bytes of EEPROM space for storing a single user file The file can be the ASCII version of the ShowgramV4 script downloaded to the unit or a ZIP file consisting of multiple relevant files for the controller Appendix C Electrical Specifications Process Power 9VDC to 30VDC or 9VAC to 21VAC 12W dissipation Lamp Power 9VDC to 30VDC or 9VAC to 21VAC Digital Output Maximum Source Current 1 5A single output for a group of 4 The output groups are Outputs 1 4 5 8 9 12 12 16 17 20 and 21 24 When multiple outputs of a group are used the maximum power dissipation of a group is 1 47W Relays Switch voltage 50VDC Switch current 0 25A Carry current 1 5A Contact resistance 0 2 ohm Analog Audio Output 6 8Vpp 9 9dBu Analog Audio Input 4 0Vpp 5 2dBu Time Code Output 3 3Vpp maximum Time Code Input 5 0Vpp maximum Analog Input 0 to 5 0Vp Analog Output 0 to 5 0Vp Word Clock Input 5V CMOS 48kHz Word Clock Output 5V 48kHz
14. ailable only if the hardware controller has the MP3 playback option It brings up the Audio Controls dialog shown in Figure 15 The sections are 1 Cross Point Matrix shows the dimension of the cross point matrix The Set Size button when accessible would change the dimensions Cross point fade commands can be entered into the Edit Box and sent to the DSP of the controller with the Send button Please consult the ShowgramV4 manual about cross point fade commands 2 Output the output section shows the output volume output delay and the number of parametric equalization filters assigned to the selected output The Intended N Filters together with the Partition Filters button near the bottom of the dialog box can be used to change the number of filters assigned to the outputs The total number of filters available for partitioning is 64 3 Input the input section shows the input volume for the selected input ADATI and ADAT2 Output Selections for each pair of ADATI output channels we can connect it to a pair of outputs from the DSP or an MP3 decoder Please see earlier section for more details Global Volume shows the current global analog audio volume Update Device force an update of all the parameters on this dialog from the controller Save to Power Up Preset Tell the controller to save its current parameters power up preset in the EEPROM Parametric EQ brings up the parametric EQ dialog shown in
15. ce device connected to the output cannot tolerate any glitches of the output state terminal load 4MP3 MSC opto Isolated output O terminal Control GNDiso Figure 4 Typical connection of a load to the opto isolated output f Relay Closures There are 2 relay closures with both Normally Open and Normally Close connection available at the back panel g Audio Playback System The controller has four MP3 decoders on board a 10 analog audio inputs 8 analog audio outputs and two Alesis ADAT interfaces providing a total of 26 audio input channels and 24 audio output channels Input channels 1 to 8 go to 24 bit ADCs and channels 9 and 10 go to a 18 bit ADC Input 1 to 8 are typically used for volume control of DVD player outputs and channels 9 and 10 and are intended for adding paging system audio to the output of the mixer Figure 5 shows internal configuration of the onboard Analog Device SHARC DSP mixer It supports a cross point matrix of size up to 18 x 24 allowing mixing fading and panning of any of the 18 inputs to any of the 24 output channels Each channel s level can be modified by the 3 multipliers shown in Figure 5 The 3 multipliers are mapped to predefined floating point variables in ShowgramV4 scripts Each output channel has a parametric EQ filter bank and a delay of up to 225ms There are two different configurations for the 4MP3 MSC controller the FULL version has all the hardware features and the MSC
16. es of the ADCs are mapped directly to 4 integer variable in ShowgramV4 adcl adc2 adc3 and adc4 A typical application for the ADC is to connect a potentiometer to the 5V DAC GND and one of the inputs for global volume control The DACs are mapped to 2 integer ShowgramV4 variables dac1 and dac2 d Optically Isolated Closure Logic Inputs There are 24 optically isolated closure logic inputs for drive voltage up to 24VDC Current limiting resistors are included on board allowing simple contact closures to be used Inputs 1 to 12 may be configured with ShowgramV4 scripts to provide 6 quadrature counters 4AMP3 MSC opto Isolated input I terminal GND iso T HT h Figure 3 Typical connection of a contact closure to a digital input There is a 5 button keypad on the front panel At power up these buttons default to front panel menu manipulation mode for controller configurations and manual manipulations of hardware resources and start stop of ShowgramV4 cues The menu system is described in a later section When these buttons are left idle for 30 seconds the front panel LCD display switches to general purpose user display from the ShowgramV4 script In this mode the front panel bush buttons become general purpose digital inputs that can be accessed from ShowgramV4 scripts as upKey downKey leftKey rightKey and enterKey center button There is also a SAFETY button which is hidden inside a small hole on the bottom
17. f bits for the device ports are settable from the host computer or by ShowgramV4 commands The available baudrates are listed in Table 2 Baudrate of port 5 must be set to 31250 when configured as a MIDI port Table 3 shows the pin outs of the DB 9 connectors on the back panel 1108 300 600 1200 2400 4800 9600 19200 31250 38400 56000 57600 115200 125000 250000 250000 Table 2 Available baudrates In addition to plain byte transfer between the controller and external serial devices the controller has built in support for the Pioneer Laser Disk protocol A video black burst signal can be connected to the Video Sync In connector on the back panel to synchronize video playback from multiple units Commands are available to synchronize output to the serial device ports to within a single video frame Pin Port 6 to 8 Port 1 to 5 Analog 1 RS422 RX ADCI In RS232 RXD RS232 RXD ADC3 In 3 RS32TXD RS232 TXD L RS422 Tx ACI Out GND bDACGND a 731 DEZ 7 Pp PA IN O8 Too ee ae 9 RX42TX DAO O Table 5 DB 9 pin out descriptions c 5V Analog Inputs and Outputs The pin outs of the DB 9 connector labeled as ANALOG are listed in Table 5 There are 4 analog to digital input channels and 2 digital to analog output channels The input and output voltage range is O to 5V The analog to digital converter precision is 12 bit and the digital to analog converter is 10 bit The converted digital valu
18. f the week HR for hour MIN for minute SEC for second MON for month DAY for day of the month and YR for year The daylight saving option can be toggled between Enabled and Disabled by the Top button while holding down the Middle button The other selected option values can be incremented with the Top button while holding down the Middle button or decremented with the Bottom button Changing the values simply updates the values maintained by software The hardware real time clock won t be updated until you exit the Time menu with the Up button If you change the time and then switch off the controller without exiting the Time menu the real time clock won t be updated and the time would be reverted back to the time maintained by the real time clock next time the controller is switched on The time should update itself every second The second half of the first line shows the currently selected item to be modified The options are DOW for day of the week HR for hour MIN for minute SEC for second MON for month DAY for day of the month and YR for year The selected value can be incremented with the Top button while holding down the Middle button or decremented with the Bottom button Changing the values simply updates the values maintained by software The hardware real time clock won t be updated until you exit the Time menu with the Up button If you change the time and then switch off the controller without exiting the Time menu the rea
19. igital Input Menu The Din item on the hardware I O menu brings up the digital input menu The right hand portion of the first line shows the currently selected input An open input logically high is shown as O and a closed input logically low is shown as C Even though each input corresponds to a physical hardware input the digital input menu provides a software push button as if it is connected in parallel with the hardware input as shown in Figure 6 The software push button can be closed momentarily by pushing the Top or Bottom button with the Middle button held down The software push button would be closed as long as the Middle button and the Top or Bottom button are held down The software push buttons are very useful for debugging ShowgramV4 scripts without running around to activate the physical buttons attached to the digital inputs Software Push button Hardware Input Figure 6 Software push button in parallel with the hardware input iil lv Digital Output Menu The Out item on the hardware I O menu brings up the digital output menu The right hand portion of the first line shows the currently selected output Figure 4 shows that the digital output is implemented with an Open Collector transitor A logically high output state shown as 1 means that the output transitor would be activated bring the output line level to close to electrical ground The state of the currently selected
20. l time clock won t be updated and the time would be reverted back to the time maintained by the real time clock next time the controller is switched on iij Schedule Menu The following is the Schedule menu The On option refers to a global enable disable of the 7 day schedule When this option is highlighted you may enable disable the schedule with the Top and Bottom buttons with the Middle button held down There are 7 choices under the DOW option one for each day of the week Pushing the Down button with a day of the week highlighted brings up the Start amp Stop menu The following is the menu for Tuesday The time on the left of the fourth line refers to the hour and minute of the start time and the time on the right the stop time Each of the four individual time values can be incremented with the Up button while holding down the Middle button or decremented with the Down button while holding down the Middle button The updated start and stop times won t be stored in non volatile EEPROM until you exited the Schedule menu The RST option in the Schedule menu resets all seven days start time to 00 00 and the stop time to 24 00 Scroll to the RST option and press the Top or Bottom button once with the Middle button held down to perform the reset Appendix A Host Computer User Interface Program 4MP3CON The host computer user interface program runs on the Windows NT 2000 platforms It communicates with 4MP
21. load the script If the path name is longer than 32 characters the directory information would be suppressed and only the filename will be shown The last line shows the date and time the script file was compiled to create the download binary file Pushing the Down button takes you down the cue information screen The third line shows cue number and the name of a cue and the fourth line shows the state of the cue The Left and Right buttons can be used to scroll through all the available cues When a cue is running it shows the memory address of the statement currently being executed The user has to consult the Map file of the ShowgramV4 script created by the compiler to find out the corresponding line number in the ShowgramVA script file When the cue is not running the fourth line would show Stopped Pressing the Down button takes you down to the next level An on the fourth line indicates that the cue specified on line 3 follows the 7 day schedule if enabled The remaining 2 items on the second line are selectable items that allow you to start or stop the cue User Display Upon entering the User Display screen you would see the following screen In User Display mode the ShowgramV4 script may send output to the display using the ShowgramV4 Display command Please refer to the ShowgramV4 manual for the Display command Once in User Display mode the five front panel buttons become generic digital inputs for the Showg
22. nsult the ShowgramV4 manual about DMX fade commands Port Definition Shows the current configuration of the selected port The Set Port button sends the updated configuration to the 4MP3 controller Videos The video section allows manipulation of DVD and laser disc players that understand the Pioneer serial protocol The Edit Box is for entering search parameter The string in the Edit Box would be appended with SE lt CR gt and then sent to the player Therefore you are not restricted to simple frame numbers For example CH2 would instruct the player to switch to Chapter mode and then search to chapter 2 Port Communication This section allow the user to send and receive generic data to the serial port When it is not in hexadecimal mode any characters typed in the Send Edit box would be sent Hexadecimal byte can be sent by entering an amp character followed by 2 hexadecimal digits For example abc amp 0D would send abc followed by the hexadecimal character OD which corresponds to the carriage return character When in hexadecimal mode all input in the Send Edit Box must be hexadecimal digits All spaces and tabs are removed and the revised string is sent to the serial port Each two consecutive hexadecimal digits are grouped together to form a byte Therefore it is important to type in an even number of hexadecimal digits For example 12ab and 12 ab are the same and would send out a byte of value
23. output can be toggled by pushing the Top or Bottom button with the Middle button held down MP3 Menu There are two sub menus on the MP3 menu Clips and Decoders Going down to the Clips sub menu when there is no audio clip defined in the ShowgramV4 script would bring up the page If clips are defined in the ShowgramV4 script and the corresponding audio files are found in the Compact Flash card the Clips sub menu would show the information of the defined clip The first line is the name of the clip defined in the ShowgramV4 script The second line shows the length of the clip in number of video frames 30 frames per second to be played which is defined with the Start and Stop parameters of clip The third line shows the Start and Stop parameters in number of video frames end means played to the end of the file The last line shows the Gain parameter of the clip The Gain parameter is not automatically applied to the MP3 decoder outputs It is up to the user to apply the gain parameter in the ShowgramV4 script to the input gain multiplier as shown in Figure 5 The Decoders sub menu shows the state of the 4 MP3 decoders b Cue Menu If no ShowgramV4 script has been downloaded to the unit the Cue menu shows the following screen Otherwise the first screen of the Cue menu is an information screen showing the script version in the first line the path name of the script file on the computer that was used to down
24. over scheduling and detection of events Central scheduling and error reporting are also available on the host computer Please consult the ShowgramV4 Language Manual for language and programming details The controller can communicate with other host devices with UDP protocol A Windows PC front end program is also available for direct control of the hardware resources and downloading of ShowgramV4 scripts A Windows OCX is supplied for building custom user interfaces with Visual Basic Visual C Delphi or other graphical user interface design programs The same UDP protocol allows multiple controllers to communicate with each other to share network variables and hardware resources 2 Hardware Features and Configurations a 1 uU power 4MP3 MSC Front and Back Panels Figure 1 shows the layout of the front panel The unit can be turned on or off with the POWER switch The 4 line LCD display and the 5 button keypad provide easy unit configuration and display of user generated information The CPU LED acts as a heartbeat of the controller It blinks on for 1 second every 2 seconds when the controller is functioning normally The DATA LED blinks on whenever there is valid data packet sent to the host serial port The LOCK LED is on when the controller is locked on to a valid audio master clock The CLIP LED blinks on whenever there is a clipping in one or more of the audio output channels The compact flash memory can be installed via the
25. power up the clock is advanced by the controller based on the audio master clock or the video sync signal from the back panel The audio master clock can be generated by the onboard 12 288MHz oscillator the ADAT interfaces or word clock input from the back panel If the video sync signal is present the clock will always be advanced by it regardless to the source of the audio master clock On the backpanel there is a timecode input and a timecode output pin The output level and the input sensitivity can be adjusted by turning the trim pots which are accessible from the front panel Compact Flash window The output can be started or stopped from ShowgramV4 script The timecode can also be changed anytime from ShowgramV4 script Chasing of SMPTE timecode input is currently not supported 3 Front Panel Menu System There is a 5 button keypad on the front panel and a 4 line by 20 character LCD display On power up the keypad and the LCD are in menu system mode If the unit is left idle for 30 seconds or more the LCD display would change to user display mode In user display mode ShowgramV4 scripts can send information to the LCD display directly Also the buttons of the keypad become generic inputs that can be read from ShowgramV4 scripts There is a safety push button in a recess hole on the bottom left corner of the keypad To exit the user display mode hold down the middle keypad button and then push the safety button The front panel display
26. ramV4 script Unit Setup Menu The top level Setup menu is 1 Net Menu The Net option brings up the Ethernet setup menu The second line shows the Ethernet MAC address of the unit The DHCP option on the fourth line can be toggle between On and Off by pushing the Top or Bottom button while holding down the Middle button Pushing the Down button with the IP option highlighted would bring up the IP parameter screen The first line is the IP address of the unit the second line is the network mask the third line is the gateway IP address and the last line is the DNS server IP address Pushing the Left or Right button would scroll between the 4 lines The selected line could be modified by pushing the Down button with that line highlighted The Left and Right buttons can be used to scroll between the 4 numbers The highlighted number can be incremented by pushing the Top button with the Middle button held down or decremented with the Bottom button A fast increment or il decrement can also be achieved by holding down both the Middle button and the Top or Bottom button Time menu Selecting the Time option brings up the following menu if no external video sync signal is applied to the unit Otherwise the screen would be The time should update itself every second The second half of the first line shows the currently selected item to be modified The options are DLS for daylight saving DOW for day o
27. s decoder 1 outputs to ADAT outputs 1 and 2 decoder 2 to outputs 3 and 4 etc This feature allows the user to send the MP3 decoder outputs from one unit to one or two other units In addition the two ADAT interfaces can be switched with ShowgramV4 script to loopback mode sending the inputs to the outputs with minimal delay Loopback mode allows MP3 decoder outputs from one unit to be propagated to multiple units with minimal delay The onboard compact flash header can accept compact flash card of capacity up to 1GB It must be formatted with a FAT filesystem FAT32 is not yet supported Filenames must follow the 8 3 format 1 e maximum of 8 characters for the name and 3 for the extension Directory structure is not supported to minimize the use of processor memory The system supports a FAT with the maximum of 57344 bytes i e 28672 blocks clusters If we format the card with the Windows default block size of 4kbytes then the total storage supported is 114 7MB However if we format the card with a 32kbyte block then the total storage accessible is 917 5MB You must issue the format command manually from a command prompt under Windows 2000 or XP in order to specify a custom block size You may not always specify a block size of 32kbytes If the format command failed with block size of 32kbytes re issue the command with a smaller block size The format command for a compact flash card with 128MB of memory is format FS FAT A 16K d where
28. s of each unit The Online column shows whether the unit is online or offline The Script File column shows the file path of the script downloaded to each unit The Version column shows the script version defined inside the script file The Last Update column displays the date and time the script file was last compiled To download a script binary to a unit just select the unit in the list pull down the Script menu and select Download see Figure 8 A file dialog would show up prompting for the script binary file Once a file is selected download proceeds and the progress would be shown on the bottom left corner of the dialog in Figure 7 If the Audo Source Download option of the Script menu is checked the source script file would automatically be downloaded to the unit immediately after downloading the script binary Once the download is complete the unit would start executing the new script and the unit list would be updated to show the information of the newly downloaded script The Restart Script option in the Script menu can be used to restart the script as if the unit has just finished a script download or the unit has just been turned on The Download Source option allows downloading of the source script file only A file dialog would be shown to prompt for the file to be downloaded Similarly the Retrieve Source can be used to retrieve a copy of the source file stored in the unit iix iew Script Network
29. troller The Apply To Network would send the schedule to all online units in the unit list The Cancel button would close the Daily Schedule dialog without affecting the controllers Daily Schedule E BE had vel etl vel d d had vel el ad ad d Bee CEEERE F i i i Figure 12 Daily Schedule Dialog The Network Variables option brings up the network variable dialog in Figure 13 The dialog allow the user to inspect or change the predefined network variables Please consult the ShowgramV4 manual about network variables mu oW mm 20 refi a Figure 13 Network Variable Dialog The Digital I O Controls option brings up the I O control dialog show in Figure 14 por 10 11 Digital Inputs This section shows the current state of the 24 digital inputs Relays The Relays section shows the state of the two relays The check boxes can be clicked to change the state of the relays Digital Outputs This section shows the current state of the 24 digital outputs A pushed square represents an output in the ON state Pushing a square would toggle the state of that output DMX Fade Command DMX fade commands can be sent to the fade engine of the controller If the DMX fade engine is not enabled sending a fade command would switch on the fade engine and the output DMX stream would be sent to the Port 6 connector on the back panel Please co
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