1705 Kb Accuscene Viewfinder Operation Manual
Contents
1. ey Z Viewfinder Image Controls Eyepiece Demist Focus Heater Rotate 12Vdc Figure 1 Viewfinder and eyepiece controls 5 1 Viewfinder Image Controls See Figure 1 A pop up slider indicates the current setting when Peaking Contrast or Brightness is adjusted unless the On Screen Menu is active in which case the current setting for each is shown in the On Screen Menu Section 6 1 5 1 1 On Screen Menu The On Screen Menu shows selectable Viewfinder options and settings Section 6 1 using the MENU control and switch The Viewfinder on screen menu does not provide access to the camera on screen menu system which may be accessed using the camera controls 5 1 2 User defined setups User defined setups can be loaded from non volatile memory by rotating the Menu control knob when no other on screen menu is currently displayed Section 6 An on screen display appears Figure 2 allowing the user to select one of the five stored setups A B C D or E Once the desired setup has 8 fAc uScene been selected push the Menu control to load that setup Exit the on screen display by rotating the Menu control to select Top and push it to complete the process User Setup gt SEL Load Load Load Bett Figure 2 User Setup Recall On Screen Display A Loading a User Setup permanently overrides the current Viewfinder options and settings 5 1 3 Peaking Rotate the PEAKING control t2. Ac usScene VF1280S Mk Il High Resolution Colour Viewfinder System USER MANUAL AccuScene Corporation Limited Unit 4 Dunfermline Business Centre zait Avenue DUNFERMLINE KY11 3BZ Scotland U K 2005 AccuScene Corporation Ltd August 2005 fAAac uScene CONTENTS 1 INTRODUCTION 5 2 OPERATING GUIDELINES 5 3 QUICK SETUP REC 709 OPERATION 6 4 VIEWFINDER SPECIFICATION T 5 VIEWFINDER CONTROLS 8 5 1 Viewfinder Image Controls 8 5 1 1 On Screen Menu 8 5 1 2 User defined setups 8 5 1 3 Peaking 9 5 1 4 Contrast 9 5 1 5 Bright 10 5 1 6 Magnity 10 5 1 7 A B User Setup 11 5 1 8 Display Aspect Sony only 11 5 1 9 Zebra Sony only 11 5 1 10 Tally 12 5 2 Eyepiece Controls 12 5 2 1 Focus Adjustment 12 5 2 2 Demist heater 12 6 ON SCREEN MENU 13 6 1 Main Menu 13 6 2 User Setup Menu 14 6 3 LED Setup Menu 15 6 4 VF IND Menu 16 6 4 1 Matrix Normal state 16 6 4 2 Gamma Normal state 17 6 5 Matrix Menu 17 6 6 Gamma Menu 19 6 7 Diagnostics Menu 20 6 7 1 Test Signals 20 6 7 2 Analogue Ys Pb Pr Video Input Offset Adjustment 21 6 7 3 Factory Reset 23 6 8 Configuration Menu 23 2 fAac uScene 6 8 1 Y Monitor Mode Exposure Meter 23 6 8 2 Mono Mode 27 6 8 3 Progressive and Interlaced Modes 28 6 8 4 Image Inversion Rotate 28 7 ON SCREEN INDICATORS 29 8 SOFTWARE UPGRADE 31 9 HANDLING AND STORAGE 31 10 ADJUSTMENTS AND REPAIRS 32 11 SUPPORT AND WARRANTY 32 11 1 Support 32 11 2 Warranty 32 12 D
3. Corporation Ltd will at its sole discretion repair or replace a unit which has failed within the Warranty Period separate Warranty Certificate provided e The unit has been used stored and transported in accordance with the instructions and for the purpose described in this manual 32 fAac uScene e AccuScene Corporation Ltd has been informed of the Warranty claim Section 11 1 and has agreed to accept return of the unit This will include agreement by Accuscene of the means and routing of the shipment and the issue by AccuScene of a Return Materials Authorization RMA number e The RMA number is clearly designated within the shipment documentation e The unit is returned using suitable packaging to AccuScene Corporation Lid using the agreed shipping means and routing AccuScene will agree a means and routing of the shipment prior to issue of the RMA number Returns made by any other means will invalidate the Warranty A Certain environmental conditions are recorded permanenily during operation of the AccuScene VF1280S High Resolution Colour Viewfinder These will be inspected to determine validity of a Warranty claim 12 DISCLAIMER AccuScene Corporation Ltd AccuScene operates a policy of continuous development AccuScene reserves the right to make changes and improvements to any aspects of the product described in this document without prior notice Under no circumstances shall AccuScene be responsible f
4. being followed the image remains clear and provides the best possible feedback to the camera operator A Current Gamma setting Section 6 6 is applied in Mono mode 27 fAac uScene 6 8 3 Progressive and Interlaced Modes Although the Viewfinder automatically configures itself for any of the frame rates listed Section 4 for correct display of interlaced video input manual de selection of PSF mode is required Since PsF and mode video inputs share an identical signal format auto selection is not possible If Action mode is selected Section 6 8 then this manual choice is not required since in this mode the viewfinder display either PsF or video inputs correctly e Rotate the MENU control to select the required frame mode within the Configuration Menu e Press the MENU control to confirm the required frame mode The video image reappears after a short period A The current frame mode is indicated in inverse text A Little difference may be observed between PsF and modes depending on video image content An example of a pair of input video formats demonstrating the difference is 25p 50i If the source is in 50i mode and the Viewfinder is set to PSF mode Jaggies may appear on moving edges within the video image These disappear once mode is selected 6 8 4 Image Inversion Rotate The Viewfinder can compensate for inverted use such as right side mounting or for inverted video input using the Rotate I
5. gain of Red and Blue channels To view natural colour images this normally requires compensation to restore colour balance This correction could be achieved using the RGB Colour Matrix alone but the results could lead to visible quantisation of the green component because the number of discrete levels of Green intensity would be greatly reduced Using the Intensity 1 controls it is possible to achieve the required reduction in Green intensity without reducing the number of discrete levels within the Green component allowing superior image quality Using the Colour Matrix Section 6 5 it is possible to construct colour simulations Since the native colour gamut of the Viewfinder display is wide the user may reduce the colour gamut of its video display to simulate other displays or media 34 fAac uScene The first three rows of the Colour Matrix Figure 19 show the relative amounts of Rp Gp and B light used to represent Red Green and Blue input video data respectively Red Green and Blue inputs are arranged down the side of the Colour Matrix Weighting factors in the range 0 minimum to 100 maximum are arranged across each row These determine the amount of Rp Gp and B light used to represent each of the Red Green and Blue inputs so determining the colour gamut of the Viewfinder video display The default Colour Matrix shown in Figure 10 is a pure translation of input video data to the most extreme display colour gamut
6. is not critical and is included for information or clarification only 2 OPERATING GUIDELINES The VF1280S Mk II Viewfinder is designed only to be used as described in this manual Do not use for any other purpose e Protect the Viewfinder from dust rain spray and direct sunlight e Do not immerse in water e Do not lift or move the Viewfinder by its cable this does not support its weight e Do not lift or move the camera by way of the Viewfinder Only use the carrying handle on the camera or other facilities provided for the purpose e Use only at ambient temperature between OC 32 F and 40C 104 F and protect the viewfinder from direct sunlight rain and snow e Before each use allow the Viewfinder to stabilise within the operating environment fAac uScene 3 QUICK SETUP REC 709 OPERATION e Mount the Viewfinder on the camera using brackets suitable to carry its weight e Connect the Viewfinder cable to the camera Viewfinder socket e Power up the camera e Check that a video image appears in the Viewfinder typically in less than 10 seconds with an on screen display showing AccuScene VF1280S e Press the MENU control knob to continue the on screen display disappears e Press MENU switch down to show the Main Menu e Adjust eyepiece to sharpen focus Section 5 2 1 e Press MENU switch up or down to cancel Main Menu A Either start shooting or get a coffee Continue critical adjustments after the
7. press the MENU control to select individual weighting factors within the Matrix Menu e Rotate the MENU control to adjust the selected weighting factor then press it to confirm the required value The sum of colour factors the first three rows in each column of the matrix must not exceed 100 otherwise video image distortion may occur Once the desired colour space has been achieved the settings currently held in the Matrix may be saved in one of 5 stores for later recall e Rotate the MENU control to select the desired store Save 1 5 within the Matrix Menu then press it to save the current Matrix in the store selected A A dialogue box Are you sure Figures 6 and 7 appears because saving a Matrix permanently overrides the current contents of that store e Rotate then press the MENU control to select YES to save the Matrix or to select NO to return to the Matrix Menu Previously saved Matrices may be loaded from the 5 stores e Rotate the MENU control to select the desired store Load 1 5 within the Matrix Menu then press it to load the current Matrix from the store selected A The Load indicator changes momentarily to inverse text to indicate that the Matrix is complete A Loading a Matrix permanently overrides the current contents of the Matrix 18 fAac uScene 6 6 Gamma Menu Default Gamma function of the video image complies with SMPTE Rec 709 Other Gamma functions may be applied to provide an alt
8. the users eyesight Since there is no compensation for astigmatism the user may wish to continue to wear prescription lenses which the eyecup can accommodate e Rotate the body of the eyepiece to adjust focus e Mark personal settings using a soft pencil on the white band opposite the fixed reference line on the lens 5 2 2 Demist heater To avoid the eyepiece misting up in a cold or damp environment connect a 12Vdc supply nominal load 1 5W at 12Vdc to the demist heater Figure 1 The socket type is LEMO Model ERA OS Suitable mating plugs include LEMO Model FFA 0S 302 CLAC17 not supplied by AccuScene 12 fAc uScene 6 ON SCREEN MENU 6 1 Main Menu The Viewfinder On Screen Menu system opens showing the Main Menu giving the user a list of sub menus Figure 4 An arrow at the left side of the main menu points to the sub menu selected The lowest line of the main menu and sub menus shows factors summarizing the current settings of Peaking P Contrast C and Brightness B controls VF Main Menu User Setup LED Setup YF IND Matrix Gamma Diagnostics Config P A C 0 0 B A Figure 4 On Screen Menu Main Menu e Push the MENU switch down On Off to access the On Screen Menu and to switch it off e Rotate the MENU control to scroll through On Screen Menu options and to adjust settings e Press the MENU control to select options or settings e Push the MENU switch up Cancel to undo changes A Menu
9. 8 PsF Native input video 1280 x 720 60 P Colour conversion SMPTE Rec 709 Display resolution 1280 h x 848 v total active pixels 16 9 aspect video 1280 h x 720 v active pixels Contrast ratio 200 1 typical Viewfinder Latency lt 50mSec Action mode 23 98 PsF Exposure Meter Custom function using pSseudo colours Weight 2kg 4 5lb nominal Dimensions 295 1 x 90 h x 91 d mm Input Voltage 9 5 min 12V nom 17 max Vdc Power lt 10W at nominal input voltage Environment Min air temperature OC 32 F Max air temperature 40C 104 F Shade unit from direct sunlight Protect unit from rain or snow A The Viewfinder continues to operate outside the specified temperature range but may show an_ on screen Temperature warning Performance outside the specified temperature range may be degraded Continued operation with a Temperature warning invalidates Warranty fAac uScene 5 VIEWFINDER CONTROLS MENU PEAKING CONTRAST BRIGHT WY SEI II Il Di QUeISIN ON OFF Sy RS Vo SE MAGNIFY ZEBRA TALLY oN Ar DISPLAY ON ON o o o CH MOMENT B ASPECT MOMENT MOMENT SS
10. A or B within the User Setup menu has the same effect as selecting User Setup A or B within the five choices A B C D E available within the User Defined Setups Section 5 1 2 or using the A B switch Section 5 1 7 6 3 LED Setup Menu On screen indicators Section 7 may be activated or hidden within the LED Setup Menu Figure 8 LED Setup gt Rec Ee Cam VE YTR Save G Tally P O A Figure 8 LED Setup Menu e Rotate the MENU control to select individual on screen indicators within the LED Menu 15 fAAac uScene e Press the MENU control to activate or hide the selected indicator A The Temperature Indicator cannot be hidden 6 4 VF IND Menu The Viewfinder setup warning indicator VF Section 7 is configured within the VF IND Menu Figure 9 On activating or de activating certain conditions the VF indicator warns of non standard setup MEI Ind gt Top LIND CNORMAL Magnify ON OFF Gamma ON Rec 04 Matrix ON 1 212 A A QO 312 A A 512 FP A C 0 0 B A Figure 9 VF IND Menu e Rotate the MENU control to select individual on screen indicators within the VF Menu e Press the MENU control to activate or de activate the selected condition 6 4 1 Matrix Normal state The Matrix indicator Normal state can be defined as one of five user defined stored colour matrix settings Section 6 5 If any other Matrix setting is in use this results in the VF indicato
11. F the normal video selection 20 fAAac uScene 6 7 2 Analogue Ys Pb Pr Video Input Offset Adjustment To set optimum black and colour levels and for correct operation of the exposure meter Section 6 8 analogue video input offsets should be adjusted to match the particular camera in use These adjustments which should be checked regularly are contained within the Diagnostics Menu Adjustments should be made with the specific camera in use and only once it has been allowed to stabilise in the operating environment and with its black level suitably adjusted A Selection of a nominal black image or area within an image is Critical to optimum adjustment of the black level Y video input Either cap off the camera lens to provide the current nominal black level or use an internally generated test pattern In the latter case determine which of the areas of the test pattern corresponds to nominal black as captured through the lens Critical adjustment of Y offset is best accomplished using Y Monitor Section 6 8 This is not the case for Pr and Pb offset adjustments which must be undertaken with Colour mode selected Section 6 8 e Switch the viewfinder to Y Monitor mode Section 6 8 Y offset adjustment method A This adjustment method is based on use of the SMPTE HD colour bar test chart The corresponding NTSC chart which has different levels in its PLUGE chips should not be used in this adjustment meth
12. F Orange different from that of active Change user setup Camera Indicates camera setting is Setting Orange different from that of active Change user setup Matrix Orange Indicates non standard matrix is being applied to the image Indicates Viewfinder image Magnify Lp Orange contains central 1280 h by 720 v pixels within input video 2 25x magnification factor Video Tape VTR Orange Indicates the video tape Recorder recorder is in power save mode Table 1 On Screen Indicators Continued operation with a Temperature warning invalidates Warranty 30 fAac uScene 8 SOFTWARE UPGRADE Future enhancements may be available as software upgrades are released Software is uploaded using a self extracting application running on an external PC under Windows 98 onwards using a serial cable Supplied with Upgrade Kit lf problems are experienced during a software upgrade procedure for example if Power is accidentally interrupted during an upgrade the Viewfinder may be returned to a stable state ready to restart the software upload e Switch off power to the Viewfinder e Push the Reset switch ON small aperture in lower surface of the Viewfinder with a toothpick or similar e Switch on power to the Viewfinder while holding the Reset switch ON Care is required to avoid loss of power during the entire upgrade process If a software upload is interrupted the Viewfinder wil
13. ISCLAIMER 33 13 APPENDIX 34 13 1 Controlling colour using the Colour Matrix 34 ILLUSTRATIONS Figure 1 Viewfinder and eyepiece controls 8 Figure 2 User Setup Recall On Screen Display 9 Figure 3 Brightness and contrast controls 10 Figure 4 On Screen Menu Main Menu 13 Figure 5 User Setup Menu 14 Figure 6 Confirmation Box No 14 Figure 7 Confirmation Box Yes 15 Figure 8 LED Setup Menu 15 Figure 9 VF IND Menu 16 Figure 10 Matrix Menu 17 Figure 11 Gamma Menu 19 Figure 12 Diagnostics Menu 20 Figure 13 SMTE HD Colour Bars 22 Figure 14 Configuration Menu 23 Figure 15 Exposure Meter Colours 25 3 fAAac uScene Figure 16 Video image a Colour Mode b Y Monitor Mode 26 Figure 17 On Screen Indicators 29 Figure 18 CIE Colour Chart 36 Figure 19 Colour Matrix 36 TABLES Table 1 On Screen Indicators 30 fAac uScene 1 INTRODUCTION The AccuScene VF1280S Viewfinder System is designed for use with Sony 700 series and 900 series High Definition digital video cameras With a suitable converter this Viewfinder may also be used with other cameras Certain camera control interface functions are compatible only with Sony cameras Please refer to AccuScene for further information AccuScene recommends users to read and understand this entire manual before attempting to use the Viewfinder In this manual critical information or an important warning is preceded by and must be followed A In this manual comment preceded by A
14. a Boundary display On or Off e Push the switch down to turn the Aspect display On or Off 5 1 9 Zebra Sony only Zebra threshold is controlled via camera controls and can only be activated or de activated via the Viewfinder e Push the switch down to Moment to display Zebra momentarily and release to return to normal video image e Push the switch up to ON to display Zebra continuously e Return the switch back to the centre OFF position to return to normal video image 11 fAac uScene 5 1 10 Tally The Viewfinder has a red tally indicator light on the Control Panel mirroring the state of the red tally light on the camera e Push the switch down to MOMENT to enable the Control Panel Red Tally light to mirror the state of the camera red tally momentarily while the switch is held down Push the switch up to ON to enable the Control Panel Red Tally light to mirror the state of the camera REC indicator e Return the switch to the centre OFF position to disable the Control Panel Red Tally light A The TALLY switch does not control the On Screen REC indicator which operates regardless of switch position Section 7 5 2 Eyepiece Controls See Figure 1 Rotate the lens barrel to adjust focus Mark personal focus adjustment on the white band against the white reference mark using a chinagraph or similar pencil 5 2 1 Focus Adjustment The eyepiece can accommodate a dioptre range of approximately 1 5 to 4 5 to compensate for
15. camera and the Viewfinder have stabilised in their operating environment e Allow both the camera and the Viewfinder to stabilise typically in about 20 minutes to half an hour e Stop down the camera lens to exclude light e Perform auto black calibration on the camera e Either set the camera to show colour bars or leave the lens stopped down e Enter the Matrix Menu Section 6 5 to ensure that default or your special colour space is selected e Enter the Viewfinder Gamma Menu Section 6 6 to ensure that Rec709 Gamma is selected e Enter the Viewfinder Diagnostics Menu Section 6 7 to perform adjustment of Y Pb and Pr Analogue Video Input offsets Y offset adjustment is essential for correct operation of the exposure meter e Adjust Peaking Section 5 1 3 to 0 to see a natural image or to approximately 8 to check camera focus back focus e Adjust Contrast Section 5 1 4 to suit ambient lighting Nominal setting 1 0 indoors less at night more in sun e Check Brightness Section 5 1 5 is set to 0 default A Put the coffee aside and start shooting seriously fAac uScene 4 VIEWFINDER SPECIFICATION Video input interface HD 1080 or 720 analogue Ys Pb Pr Nominal white level 700mV 100 IRE Maximum Ys input 760mV 108 IRE Video input format Accepts SMPTE 274M formats 1920 x 1080 60 1 1920 x 1080 59 94 I 1920 x 1080 50 1 1920 x 1080 30 PsF 1920 x 1080 29 97 PsF 1920 x 1080 25 PsF 1920 x 1080 24 PsF 1920 x 1080 23 9
16. critical focus and can be used as an alternative to Peaking Section 5 1 3 A Where Peaking detects and amplifies edges and boundaries Y Monitor mode artificially highlights subtle differences in intensity This can allow critical focus in circumstances where Peaking would be less successful for instance in imaging foliage or shaded surfaces Before using the exposure meter ensure that Analogue Ys Pb Pr Video Input Offsets are correctly adjusted Section 6 7 2 to avoid receiving misleading intensity information A Current Viewfinder Gamma setting Section 6 6 is applied to the video image displayed in Y Monitor mode although the measurement of IRE level and the colour substitution are made prior to this correction Therefore Y Monitor offers useful feedback regarding near saturation in terms of IRE value not necessarily corresponding to lens stops or specific exposure levels depending on the camera Gamma setting 6 8 2 Mono Mode The Viewfinder normally generates colour images using a sequence of red green and blue images at high frame rate In Mono mode the colour content of the active video input is ignored and the Ys luma content alone is used to generate a monochrome image The active video frame rate is also tripled to provide an ultra stable image which will reduce image smear and break up if the Viewfinder or camera operator is subject to vibration or extreme motion lf a fast moving object or action in a scene is
17. ernative video image look or for video image diagnostic purposes via the Gamma Menu Figure 11 It is possible to load and select alternative pre computed arbitrary Gamma functions in the form of 10 bit look up tables by special arrangement with AccuScene Gamma gt Re en eUnity Alog Film FilmUni P Q C O 0 B O Figure 11 Gamma Menu e Rotate the MENU control to select one of the Gamma functions within the Gamma Menu then press it to select the desired Gamma function A The current Gamma function is indicated in inverse text 19 fAac uScene 6 7 Diagnostics Menu The Diagnostics Menu displays the current software version code the serial number of the specific unit in use and the current internal temperature of the Viewfinder Figure 12 The Menu also allows the user to select test images set video black levels and restore a default setup Diagnostics Top Yersion 53274 F 132B Temperature 74 0 C Test Signal 0OFF Input Of Fsets T 0 Ph O Pr A Factory Reset P Q C O 0 B oO Figure 12 Diagnostics Menu 6 7 1 Test Signals Test Signals internally generated within the Viewfinder are accessed within the Diagnostics Menu These may be useful for Brightness and Contrast adjustment in given ambient light conditions e Rotate then press the MENU control to select Test Signals within the Diagnostics Menu e Rotate then press the MENU control to select individual Test Signals including OF
18. he Viewfinder In Y Monitor mode this level appears yellow or light orange Black and Magenta are reserved for the hard cut offs of 0 dark and 255 light on this scale respectively Two narrow bands are highlighted for specific exposure set up A grass green Scottish green grass band centred on 41 IRE relates to 18 density when using Rec 709 Gamma A 25 fAAac uScene pink band centred on 70 IRE allows convenient exposure setup when capturing a human face using Rec 709 Gamma These narrow bands at 41 and 70 IRE are calibrated for their purpose only when using Rec 709 Gamma and do not necessarily relate to standard exposure conditions when the camera is set up to use an alternative Gamma With reference to Figure 16 shades of dark blue and turquoise are used to indicate the darker intensities between 0 and 19 IRE Yellows oranges and reds are used to indicate lighter intensities between 89 and 108 IRE Hard saturation over exposure is visible in the background shown as magenta Small areas of pink are visible in the face showing normal exposure of skin around the chin Highlights in the cheeks and ears are not over exposed being yellow d ef e K N SCH P eng N a Pa qF CTS Wd T a X a SIR Le Figure 16 Video image a Colour Mode b Y Monitor Mode e e SH b 4 Ee E NI Se L SS o E S SS 26 fAac uScene Y Monitor mode is also sensitive to
19. he black area is just neutral containing no red or green cast Press the MENU control to accept the Pr setting 22 fAac uScene 6 7 3 Factory Reset If the User wishes to return the configuration of the Viewfinder to a known default state the Factory Default configuration may be selected e Rotate then press the MENU control to select Factory Reset within the Diagnostics Menu A A dialogue box Are you sure Figures 6 and 7 appears because invoking a Factory Reset permanently erases all previously stored setups Factory Reset also overwrites previously stored analogue video input offset adjustments with default values For correct operation user adjustment of these is required after Factory Reset e Rotate then press the MENU control to select YES to continue with a Factory Reset or to select NO to return to the Diagnostics Menu 6 8 Configuration Menu Display modes and Viewfinder orientation are selected within the Configuration Menu Figure 14 lt Config gt Display Mode Colour Monitor Y Rotate Image lt Config gt CTO sr ee DisplayMode Colour Action Mono PSF ee MonitorY wide Li Rotatelmage O Z o O D P 0 C 1 0 B 0 Figure 14 Configuration Menu e Rotate then press the MENU control to select Colour for default colour video image mode 23 fAc uScene e Alternatively select Mono mode to view a monochrome image In this mode the eyepiece dis
20. l not operate until completion of the upload restart process described above followed by successful software upload 9 HANDLING AND STORAGE The AccuScene VF1280S High Resolution Colour Viewfinder System is supplied within protective packaging A Transport and store the Viewfinder using suitable packaging Failure to do so may invalidate Warranty Storage environmental conditions should be controlled to suit precision electronic equipment 31 fAAac uScene e Store only at ambient temperature between 20C 32F and 70C 104F e Humidity must not exceed RH90 non condensing e Altitude must not exceed 10km e Shock must not exceed 40g sinusoidal 10 ADJUSTMENTS AND REPAIRS The controls described in this manual are the only User adjustment and setup controls There are no User adjustments or repairable parts within the AccuScene VF1280S High Resolution Colour Viewfinder System Opening the unit invalidates Warranty 11 SUPPORT AND WARRANTY 11 1 Support If the Viewfinder fails to operate properly and AccuScene support is required the User should note the circumstances preferably by email to support accuscene com before calling AccuScene including the Viewfinder serial number a contact email address User name and telephone number to allow the AccuScene support team to return the contact Support services may be chargeable by AccuScene Corporation Ltd at its sole discretion 11 2 Warranty AccuScene
21. mage function which reverses the orientation of the image e Rotate then press the MENU control to select Rotate Image within the Configuration Menu A A dialogue box Are you sure Figures 6 and 7 appears because invoking Rotate Image also inverts the On Screen Menu 28 fAac uScene e Rotate then press the MENU control to select YES to continue with Rotate Image or to select NO to return to the Configuration Menu 7 ON SCREEN INDICATORS Indicators described in Table 1 are shown above and below the active video display to provide information about the status of the camera and the Viewfinder Figure 17 Figure 17 On Screen Indicators Indicators may be hidden from view or configured using On screen Menus Sections 6 3 and 6 4 A The Temperature Indicator cannot be hidden 29 fAc uScene _Indicator___Symbol_ Colour Meaning Battery BATT ora When flashing indicates low po attery When flashing indicates high Viewfinder TEMP Red temperature When steady Temperature indicates extreme high po temperature S O When steady indicates Record REC Red recording in progress When flashing indicates problem in record module Tally TALLY Green Indicates camera is being recorded but is not on air Peaking PE Orange Indicates peaking is being applied to the image Viewfinder Indicates Viewfinder setting is Setting V
22. o highlight fine detail within the video image peaking to assist focus adjustment 5 1 4 Contrast Rotate the CONTRAST control to increase or decrease the intensity of the video image to suit ambient light conditions Figure 3 Intensity steps are approximately one tenth stop The Contrast range is deliberately wide to allow operation in direct sunlight At maximum intensity Contrast 1 0 the video image is excessively bright for indoors use A Excessive image intensity may lead to eye fatigue and temporary loss of colour sensitivity Prolonged exposure to excessive image intensity may be harmful AccuScene Corporation Ltd accepts no liability for damage or loss resulting from inappropriate use fAac uScene 5 1 5 Bright Rotate the BRIGHT control to increase or decrease the brightness of darker areas of the video image to verify black level or assess detail within shadow Figure 3 s 2 e AG AS oe C e e ae e Ei o Min Brightness 0 7 Decreasing Increasing Max contrast 1 0 brightness SC contrast e e Ca 5 e a ei e 22 a e e oS e e e e e e e e e Input Max Linear grayscale Figure 3 Brightness and contrast controls 5 1 6 Magnify Normally the Viewfinder scales an input video image of 1920 h by 1080 v pixels to suit the native 1280 h by 720 v resolution of its display Section 4 720 60 P input
23. od e With the viewfinder connected and camera on select test pattern colour bar with PLUGE from the camera e Rotate then press the MENU control to select Y within the Diagnostics Menu The parameter changes to inverse text to indicate it is selected e Adjust Y offset by rotating the MENU control e Press the MENU control to accept the current Y offset 21 fAAac uScene With the viewfinder in Y Monitor mode adjust the Y offset level until the right hand PLUGE chip 2 5 of the three chips visible at the bottom of the test card Figure 13 is showing mostly black with some purple noise As a check the peak white chip should be showing a mix of bright yellow and pale orange Figure 13 SMTE HD Colour Bars Y offset adjustment method using a stopped down lens With the viewfinder in Y Monitor mode adjust the Y offset level until the black portion of the video image is mostly black with some purple noise Before adjusting Pb and Pr offsets restore the viewfinder to Colour mode Section 6 8 Pb and Pr offset adjustment method Rotate then press the MENU control to select Pb or Pr within the Diagnostics Menu The parameter changes to inverse text to indicate it is selected Adjust Pb or Pr offset by rotating the MENU control Pb Rotate the MENU control until the black area is just neutral containing no blue or green cast Press the MENU control to accept the Pb setting Pr Rotate the MENU control until t
24. options and settings are saved permanently when the On Screen Menu is switched off To avoid losing settings switch off the On Screen Menu at least 2 seconds before removing power from the unit 13 fAc uScene A To return to the main menu from any of the sub menus rotate the MENU control to select Top Press the MENU control to confirm 6 2 User Setup Menu Currently selected options and settings of the Viewfinder may be saved as one of A B C D or E User Setups Figure 5 within the User Setup Menu User Setup gt Top save nda RB ee D E Load A RB LCD E P O C 0 0 B 0 Figure 5 User Setup Menu e Rotate then press the MENU control to select Save User setup A B C D or E within the User Setup Menu A A dialogue box Are you sure Figure 6 appears because saving a User Setup permanently erases the previously stored setup Ate wo erer NO II Figure 6 Confirmation Box No e Press the MENU control to cancel the action and return to the User Setup Menu OR e Rotate then press the MENU control to select YES Figure 7 to save the setup 14 fAc uScene Are you sure pags Figure 7 Confirmation Box Yes Previously saved User Setups may be loaded within the User Setup Menu e Rotate then press the MENU control to select Load User setup A or B within the User Setup Menu A The Load indicator changes momentarily to inverse text to indicate that the setup is complete A Loading User Setup
25. or any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by law no warranties of any kind neither expressed nor implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are made in relation to the accuracy reliability or contents of this document 33 fAc uScene 13 APPENDIX 13 1 Controlling colour using the Colour Matrix The Viewfinder uses Light Emitting Diodes LEDs to illuminate its display Red R Green G and Blue B light from these LEDs is very pure Using these the display can create very vivid colours In practice the range or gamut of colours that can be created exceeds the nominal High Definition video colour gamut defined by Rec 709 Figure 18 CIE Colour Chart The T factors fourth row of the matrix Figure 19 control the intensity of Red Green and Blue LEDs which illuminate the display in the Viewfinder For instance if Igreen the central factor in the 1 row is set to 50 the amount of green light is 50 of full scale In this condition all the green components of the image are half as bright as they would be if Igreen were set to 100 The normal setting for the factors is 100 When working with FilmStream video from a Thomson Viper camera the Green gain within these images is substantially higher than the
26. play is refreshed at three times the rate of Colour mode A Mono mode is especially useful if the camera or its platform is in motion such as mounted on a vehicle where the fast refresh rate provides a very stable image e Alternatively select Monitor Y to view a display highlighting extremes of exposure in the video image Section 6 8 1 e Rotate then press the MENU control to select Action mode which is especially suited to follow focus and other action shots where minimal latency delay between input video feed and display in the eyepiece is important This mode can be used whether the input video is in progressive PSF or interlaced format e Alternatively select PSF mode to view low frame rate 23 98 24 or 25 PsF progressive format input video Video is displayed at three times input frame rate for flicker free images suited to performing lighting motion capture or other setup checks In PSF mode the on screen indicators Section 7 are displayed above and below the active video image A PsF mode removes video flicker leaving Motion judder especially visible This is inherent in progressive video images captured at low frame rate This mode may be useful in setting up action shots where motion judder requires careful consideration e Alternatively select I to view interlaced input video at field rate twice frame rate when working in interlaced 50 or 60 format also displaying on sc
27. possible with Red Green and Blue being represented by pure Rp Gp and B respectively The effect of adding R in the Viewfinder representation of Green Figure 19 is to make Green appear more yellow within the Viewfinder display If plotted on a CIE Colour Chart Figure 18 this representation of Green would move downwards towards Rp from the position of Ge the pure LED colour closer to the position of Rec 709 Green A R Gand B factors should be set within the range 0 100 The sum of R G and B factors excluding factors in each column of the matrix must not exceed 100 otherwise video image distortion may occur A Optimum colour resolution is obtained when the largest column sum is 100 or just less R G and B factors only excluding factor 35 fAac uScene CIE 0 9 0 8 E 0 7 0 6 R 0 5 04 0 3 0 2 0 1 4 s Blue LED Green LED t Red LED m Rec 709 EE E CIE Spectral locus 1931 Figure 18 CIE Colour Chart lt Matrix gt Top JJ e2 A On es N 0 84 100 100 100 G 33 9 O O Se eee Load 1 2 3 4 5 1 2 3 4 5 P 0 C 1 0 B 0 Figure 19 Colour Matrix 36
28. r being shown if this condition is activated e Rotate and press the MENU control to select the Normal Matrix parameter within the VF Menu 16 fAac uScene e Rotate and press the MENU control to select the required Normal Matrix store 1 5 6 4 2 Gamma Normal state The Gamma setup indicator can be configured to define any of the available options within the Gamma Menu as Normal Section 6 6 e Rotate and press the MENU control to select the Normal Gamma parameter within the VF Menu e Rotate and press the MENU control to select the required Normal Gamma function 6 5 Matrix Menu Colour Gamut and Intensity of the Viewfinder video image may be altered using the Matrix Menu Values of the weighting factors within the Colour Matrix Figure 10 may be set between 0 Off and 100 Maximum See Appendix Section 13 1 for a detailed description of the operation of the Colour Matrix A The default weighting factors shown in Figure 10 leave input video data unaltered Adjustment of the colour matrix is recommended only for users trained in colorimetry and with access to suitable colour references See Appendix section 13 1 for further information lt Matrix gt lt Matrix gt TO seal IE RGB _ _ _ O G 0 100 0 B 0 0 100 k C3 100 ech ech CH H el wh 1I NN GA Go LU SE el an Figure 10 Matrix Menu 17 fAac uScene e Rotate then
29. reen indicators Section 7 above and below the active video image e Alternatively select Wide to view images whose natural aspect ratio is 2 35 1 or 2 37 1 having been compressed to 16 9 optically or electronically for compatibility with HD video systems 24 fAAac uScene 6 8 1 Y Monitor Mode Exposure Meter In Monitor Y mode Section 6 8 the Viewfinder operates as an exposure meter applying pseudo false colour to indicate the intensity of individual pixels in the image The colours used and their relationship to Y luma video level Figure 15 allow the Viewfinder to provide simultaneous real time exposure and focus feedback to the camera operator Skin Dark al Light E aaa 95 100 103 106 109 0 IRE 3 41 70 90 18 Rec709 ei 159 170 0 1 2 8 9 15 16 22 23 34 35 45 93 99 211 222 223 233 234 240 241 247 248 254 255 Figure 15 Exposure Meter Colours When Y Monitor is selected colours shown in Figure 14 are Superimposed on the active video image to show intensity within the image Figure 16 The central 70 IRE range between 20 and 90 IRE is shown in monochrome As lighting aperture and shutter speed are adjusted colours at the extremes outside this central range change to indicate how nearly these areas approach black or white saturation Nominal white 100 IRE corresponds to 700mV Ys video input voltage This voltage is digitised to 235 on the 2 greyscale of 256 levels displayed by t
30. video images are displayed at native resolution In Magnify mode the Viewfinder shows the central 1280 h by 720 v pixels within the input video image at 1 1 pixel resolution for 1080 v images corresponding to a magnification factor of 2 25 times the active video image Correspondingly for 720 60 P images a central area is magnified by a factor of 2 This may for instance assist critical assessment of the central part of the input video image e Push the switch down to MOMENT to enable Magnify mode momentarily while the switch is held down e Push the switch up to ON to enable Magnify mode 10 fAac uScene e Return the switch to the centre OFF position to disable Magnify mode A An on screen indicator Section 7 shows while the Viewfinder is in Magnify mode 5 1 7 A B User Setup A B User Setups provide the user a convenient way of recalling either of the first two of the five stored user defined setups These contain a pre set combination of the viewfinder options and settings A B User Setups are set up and saved by using the On screen Menu Section 6 2 e Push the A B switch up to A or down to B and release it to load the corresponding User Setup A Loading a User Setup permanently overrides the current Viewfinder options and settings 5 1 8 Display Aspect Sony only Display borders and aspect boxes are controlled via camera controls on the Viewfinder e Push the switch up to turn the Safe Are
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