Pixel-Gate oPeratinG instructions
Contents
1. 0000 Ox000000ffff Restore Factory Defaults Quit Shift Enter Schnick Schnack Pixel Gate Systems v0 4 818 Black Level DAVA EDID OR HEMELE 50 np Doublebuffering Save Patch internally Pollrate ArtNet 16 Broadcast Level Fo Gamma Correction www schnickschnacksystems com 8 0 Declaration of EU conformity SCHNICK SCHNACK SYSTEMS EC Declaration of conformity hereby declare that the product LED Beleuchtungssystem bestehend aus LED Systemnetzteil 4 LED Kachel B Name of product type or model batch or serial number meets the essential requirements referred to in Article 3 of the Council Directive 99 5 EC The following harmonized standards have been applied EN 55015 2000 MANUFACTURER or AUTHORISED REPRESENTATIVE Address Schnick Schnack Systems GmbH Gunther Plueschow Strasse 6 50829 Koeln Germany Tel 49 221 992019 0 Fax 49 221 992 019 22 _ _ Piace Date of issue Signature Dipl Ing FH Erhard Lehmann Name in block letters www schnickschnacksystems com2. NICK SCHNACK SYSTEMS 4 3 8 1 Black Level Use the Edit button to select the data entry field With a Black Level greater than zero any pixels Black Level which fall below the adjusted threshold value are faded out Adjustment of this attribute can be helpful if the content originated from an analogue SOUICe 4 3 8 2 DVI DDC Framerate Use the Edit button to select the data entry field Setting the prefered the framerate does not actually DVI DDC Framerate specify the framerate either for the in or output 50 ah It merely serves Extended Display Identification Data EDID the information to the Display Data Channel DDC of the source PC graphic card or DVD player in order to match the resolution with Pixel Gate 4 3 8 3 Doublebuffering Switches doublebuffer on or off Doublebuffer is necessary in order to be able to play the full desired framerate over ArtNet see doublebuffer information Without doublebuffer every second frame is dropped so that a 60 Hz DVI source will only be reproduced at 30 Hz on the ArtNet side Doublebuffering 4 3 8 4 Save Patch Internally By switching this attribute on the currently loaded patch is stored internally Save Patch internally www schnickschnacksystems com 4 3 8 5 ArtNet The ArtNet menu is used to select either unicast or broadcast output The unicast parameter indicates the number of System Power Supply PSUs requesting the same universe and can be swi
3. SCHNICK SCHNACK SYSTEMS PIXEL GATE OPERATING INSTRUCTIONS Version 0 4 818 english Content 1 0 1 1 1 2 1 3 2 0 2 1 2 2 3 0 4 0 4 1 4 2 4 3 4 3 1 4 3 2 4 3 3 4 3 4 4 3 4 1 4 3 5 4 3 6 4 3 7 4 3 8 4 3 8 1 4 3 8 2 4 3 8 3 4 3 8 4 4 3 8 5 4 3 8 6 4 4 4 4 1 4 4 214 2 4 5 4 6 SCHNICK SCHNAC K SYSTEMS Introduction Schnick Schnack Systems and the Pixel Gate Video Inputs ArtNet Output System Overviews System Architecture Cabling Example Installation Advice Menu System and Operation Controls Basic Operation Detailed Operation Power up Changing Modes Quick Patch Mode Pixel Patch Mode Error Messages Debug Do not use Factory Defaults Info Setup Black Level DVI DDC Framerate Doublebuffering Save Patch Internally ArtNet Gamma Correction Doublebuffer Information Doublebuffer Tips Table of Doublebuffer cropping Firmware Version 1 0 Interlaced Formats Menu System Overview www schnickschnacksystems com 1 0 Introduction 1 1 Schnick Schnack Systems and the Pixel Gate The Pixel Gate by Schnick Schnack Systems is a hardware interface designed to convert digital video Schnick Schnack Systems GmbH are manufacturers of signals DVI or SDI into ArtNet data LED backlighting systems founded in 2004 by Erhard Lehmann and based in Cologne Germany Pixel Videodata can be patched directly by using the with a UK office located on the London Kent bor
4. der built in Quick Patch mode or created with Schnick Schnack Systems Pixel Patch software Although best known for their LED products the company devotes equal time and effort to producing the Power Supplies accessoires and interfaces which combine with these to create complete bespoke systems and solutions 1 2 Video Inputs The Pixel Gate can be accept the following digital video signals as inputs DVI progressive 50 Hz 60 Hz 640x480 768x576 576 p coublebutere 800x600 1024x768 1152x864 1280x720 720 nn P N copped if doublebuffered 1280x1024 1368x768 SDI 720x576 PAL 25 Hz interlaced 720x486 NTSC 29 Hz interlaced SCHNICK SCHNACK SYSTEMS 1 3 ArtNet Output Min 150 Universes Unicast if supported 10 100 Mbit Supported resolutions in firmware version 1 0 Further resolutions are forthcoming See 4 4 Doublebuffer Information 2 0 System Overviews 2 1 System Architecture SDI In Thru ArtNet DVI In Out Pixel Gate www schnickschnacksystems com 2 2 Cabling Examples Simple system diagram showing the topological position of the Pixel Gate in an LED lighting system relativeto the other system components Mo DVD Player Pixel Gate Computer with DVI Output VR Professional Video Player Computer with special Software 0000 Media Server Light Desk Ethernet Switch LED Tiles B C II II System P
5. duced at just 30 Hz on the ArtNet output side SCHNICK SCHNACK SYSTEMS 4 4 1 Doublebuffer tips Doublebuffering must be activated e Since DMX 512 with a full packet length is limited to 44 1 Hz the doublebuffer should be deactivated if all 512 channels are to be used and or standard DMX equipments is to be driven Special cases where this does not apply LED Panels C100 C60 50 and 60 25 When using higher resolutions it is a good idea to have the desired content in the upper part of the image to be diplayed 4 4 2 Table of doublebuffer cropping 640x480 E 720x486 INTO i _ 720x576 PA 800x600 e 1024x768 Coppedat line 512 OD 1152x864 Croppedatfineass 5353 DV BE Te Croppedatline 383 1280x960 croppedattine40o 1280x1024 Cropped attine 409 4 5 Interlaced formats Interlaced DVI is not supported SDI is interlaced by definition and is therefore supported www schnickschnacksystems com 4 6 Menu Overview v0 4 818 Press Quit to change mode Change Mode Quit Enter New Mode Quick Patch New Mode Pixel Patch New Mode I New Mode Factory Defaults I New Mode New Mode SCHNICK SCHNACK SYSTEMS Press Quit again to restore previous mode Input We Scalc Il Panel A xA of WIE Offset x U y E DVI No Input lt not set gt lt not set gt no input 0x00
6. lected mode has a sub menu e g Setup press Enter then use Up and Down to scroll through it When the desired sub menu parameter has been reached use Edit to select scroll through its data entry fields even if there is only one When the desired data entry field has been selected use Up and Down to change the value When the desired value has been set press Enter to return to the sub menu and use Up and Down to scroll through it Press Enter again to return to the mode menu list Pixel Gate v0 4 818 www schnickschnacksystems com 4 3 2 Changing Modes To change mode press the Quit button The LCD will display the following message Press Quit again to cancel the change or Enter to confirm If Enter is chosen the Mode Menu will be displayed use the Up and Down buttons to scroll through it 4 3 3 Quick Patch Mode Quick Patch mode is used to create simple Pixel Patches which use just one type of LED Panel C100 C60 50 or C60 25 directly from the Pixel Gate menu Use Edit to move the cursor through the data entry fields Use the Input field to select the type of input signal DVI or SDI A check mark tick in the small blue square to the right of this field indicates that a valid input signal is being received by the Pixel Gate Use the Panel and Of fields to select the number of Panels in the x and y planes along with the Panel type Use the Scale and Offset fields to adjust the video to fit the in
7. ower Supply 4E LED Strip C LED Strips B L with Intelligenz Sys One LED Panel C60 LED Panel C100 SCHNICK SCHNACK SYSTEMS www schnickschnacksystems com 3 0 Installation Advice Examine the Pixel Gate immediately after unpacking for any damage which may have occured during transit A damaged unit should not be used under any circumstades If the Pixel Gate is moved from a cold to a warm environment then a period of three hours should be result of the temperature change If the Pixel Gate is to be installed in a rack care must be taken to ensure that there is sufficient alrflow arround both the front and back of the unit The temperature of the surrounding air should not exceed 35 C The use of rails is recommended for rack mounting to relieve strain on the front panel Connect the video input and ArtNet output cables Power up the Pixel Gate by connecting the mains input connector After a few seconds the Pixel Gate is ready for use Do not operate the Pixel Gate in direct sunlight Do not use water or aggressive solvents to clean the Pixel Gate wiping with a damp cloth should be sufficient Heavy soiling may be removed using a mild detergent 4 0 Menu System and Operation 4 1 Controls The Pixel Gate uses a similar LCD menu system and operating philosophy to other Schnick Schnack Systems rack mount products and features the following six buttons Shift Use in conjunction wi
8. r The output Patch has a different Choose another output Patch pr resolution from the input Patch file Change the resoluti on of the source or create a new Patch file Patch overflow The output Patch is trying to Switch off the doublebuffer in the access accesses with a pixel which setup menu Build a new Patch does not lie in the memory range file with the Schnick Schnack Systems Pixel Patch software and choose another resolution or shift the desired part of the content towards the upper part of the picture area www schnickschnacksystems com 4 3 5 Debug Mode Do not use DO NOT ADJUST THE SETTINGS IN THIS MODE This mode is intended for development purposes Altering the 0x000000 values in the data entry fields may severely and 0x000000ffff irrevocably alter the performance of the Pixel Gate 4 3 6 Factory Defaults Pressing Shift Enter together when in this mode will restore the factory default settings to the Pixel Gate interface WARNING THIS ACTION CANNOT ift r sido Quit Shift Ente Restore Factory Defaults 4 3 7 Info Displays the type of unit and currently installed Schnick software version Schnack Pixel Gate Systems v0 4 818 4 3 8 Setup The following attributes can be adjusted using l this menu New Mode Black Level Gamma Correction ArtNet Doublebuffer Save Patch internally DVI DDC framerate Press the Enter button to access the setup sub menu SCH
9. stallation For more complex installations using multiple Panel and or PCB illuminants the Pixel Patch mode is used Change Mode Quit Enter New Mode Quick Patch Input as Scalc Il Panel A xA of WIE Offset x U y E SCHNICK SCHNACK SYSTEMS 4 3 4 Pixel Patch Mode The Pixel Patch mode accesses a patch which has DVI No Input been pre prepared using Schnick Schnack Systems lt not set gt Pixel Patch software and stored on a standard lt not set gt SD card Use the Edit key to scroll through the three al data entry fields on the left of the display The Input fiels is used to choose between a DVI or SDI input signal File is used to load a Pixel Patch file from the SD card Patch selects an output Patch to suit the input resolution The Patch must be reloaded using the Edit and Enter buttons if the file or input settings are altered If everything is working correctly then the Status field on the display will read Running In the case of an error a message will be displayed Possible error messages are shown on the next page 4 3 4 1 Error Messages Error Message Description scutin No Input No input signal is being received Check that the input cable connection is secure No Patch file loaded No Patch has been loaded Check that an SD card with a valid Patch file has been loaded No output Patch loaded No output Patch has been loaded Select an output Patch Resolution erro
10. tched off if desired The polling rate indicates the rate at which new devices system power packs in the network are searched for by the Pixel Gate If Pollrate is switched off then the unit will check only once on power up this action is not recommended ArtNet Pollrate S Broadcast Level o 4 3 8 6 Gamma Correction Switches this function on or off Gamma Correction 4 4 Doublebuffer Information N B The following restrictions apply until further notice for firmware version 1 0 and should be waived with future updates The maximum number of pixels that can be stored in a patch is limited to approximately one million Therefore all pixels can be patched for resolutions of up to 1152x864 pixels Above the one megapixel limit the later lines are not stored e g at a resolution of 1280x1024 the last 205 lines of the picture cannot be patched Furthermore Doublebuffering requires twice the memory and therefore reduces the highest resolution that can be patched up to the latest pixel in the picture e g a resolution of 1024x768 can be only be patched to line 512 if doublebuffering is activated If a pixel cannot be patched because it lies outside this range then an error message will be shown in the display If this occurs the content should then be shifted using the Offset functions or the resolution reduced Without doublebuffering only every other frame is sent so a 60 Hz DVI source will be repro
11. th Edit to scroll the cursor backwards through data entry fields Enter to confirm certain operations Up and Down to increase the rate at which selected values are changed Edit Scrolls the cursor through data entry fields Quit Used to exit the currently selected mode Enter Used to confirm operations e g mode changes Up Scrolls up through list of modes Increases the value in the currently highlighted data field Down Scrolls down through list of modes Decreases the value in the currently highlighted data field 4 2 Basic Operation To change modes press Quit to exit the current mode then Enter to select the mode Menu list Alternatively press Quit a second time to cancel the change and return to the currently selected mode Use Up and Down to scroll through the mode menu list until the desired mode is displayed then press Enter to select it Use the Edit button to scroll through available data entry fields Use Shift Edit to scroll through the data entry fields in reverse order Use Up and Down to change the value in the selected highlighted data entry field Use Shift Up Down to change the value in larger jumps 4 3 Detailed Operation 4 3 1 Power up On power up the Pixel Gate will initially display its info menu and software version for a few seconds Following this the Pixel Gate will go to the last set Patch Mode Quick Patch or Pixel Patch SCHNICK SCHNACK SYSTEMS If the se
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