Zacuto Gratical EVF User Manual
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Zacuto Gratical EVF User Manual

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GRATICAL EVF
Bright. Sharp. Brilliant
The Gratical HD/LT Micro-OLED Electronic Viewfinder
User Manual
w w w. z a c u t o . c o m

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Summary of Contents for Zacuto Gratical EVF

  • Page 1 GRATICAL EVF Bright. Sharp. Brilliant The Gratical HD/LT Micro-OLED Electronic Viewfinder User Manual w w w. z a c u t o . c o m...

  • Page 2: Table Of Contents

    GRATICAL EVF Table of Contents Gratical Features ................3-4 Included Components ..............3 Battery Usage ..................5 Power Sources...................5 SDI & HDMI Connections ..............6 Mounting Gratical to Axis Mini ............6 Operating Menus ................7 Display Calibration ................8 LUTs ....................9 Color Bars ..................10 Scopes .....................11 Overlays ..................13...

  • Page 3: Gratical Features

    GRATICAL EVF Gratical Features BNC Covers HDMI Out HDMI Covers 10. HDMI In Focusing Ring 11. Function Buttons Arri 1/4”- 20 Rosette 12. Joystick USB Port 13. Battery Release Button Power Button 14. LP-E6 Battery SDI Out 15. Lens Door SDI In 16.
  • Page 4 GRATICAL EVF...

  • Page 5: Battery Usage

    GRATICAL EVF Battery Usage To ensure full runtime charge your battery before first use. Note: Only use LP-E6 type batteries with the Gratical. Doing otherwise may damage the unit. Insert the battery into the left side compartment of the Gratical. Slide to the right until locked in place.

  • Page 6: Sdi & Hdmi Connections

    The recommended mounting accessory for the Gratical is the Axis Mini. This is mounted to the Gratical using the rosette mount. Below is the configuration using the Gratical, Axis Mini, and Recoil Handle for a Recoil Rig. 1/4”-20 rosettes are standard but M6 Rosettes are available contact sales@zacuto.com 15 mm Rod...

  • Page 7: Operating Menus

    GRATICAL EVF Operating Menus MAIN MENU DISPLAY CALIBRATION Current Selection LUTS COLOR BARS (In Red) SCOPES OVERLAYS METERS PIXEL TO PIXEL (ZOOM) DSLR SCALING [Auto/Playback] Current Setting ANAMORPHIC [NORMAL] FRAME STORE FUNCTION BUTTONS Sub-Menu UPDATE Indicator ABOUT Vectorscope Waveform Histogram The menu screen reveals itself over the current video display to show real-time updates of changes made.

  • Page 8: Display Calibration

    GRATICAL EVF Display Calibration DISPLAY CALIBRATION BRIGHTNESS CONTRAST SATURATION GREEN BLUE 1.00 GAMMA RESTORE DEFAULT IMAGE FLIP SELECT PRESET STORE PRESET Use these settings to adjust the calibration of the Micro OLED Display. BRIGHTNESS: [-100 to 100] CONTRAST: [-100 to 100]...

  • Page 9: Luts

    GRATICAL EVF LUTs LUTS IMPORT CUSTOM LUT SELECT PRESET EVF LUT SELECT CUSTOM EVF LUT (off) SELECT PRESET SDI OUT LUT SELECT CUSTOM SDI OUT LUT (off) PREVIOUS MENU Import Custom LUT • To import a custom LUT, insert a USB stick into the Gratical and select import custom LUT from the LUT menu.

  • Page 10: Color Bars

    GRATICAL EVF Color Bars • The SMPTE HD, MACBETH, and BLUE ONLY features can be used to calibrate your Gratical. COLOR BARS SMPTE HD MACBETH BLUE ONLY PREVIOUS MENU...

  • Page 11: Scopes

    GRATICAL EVF Scopes SCOPES EVF SCOPES SDI OUT SCOPES PREVIOUS MENU Histogram Waveform Vectorscope The Gratical offers three different scopes: Histogram, Waveform, and Vectorscope. Histogram • (Luminance): The luma Histogram shows all luminance values in the image, from black to white.
  • Page 12 GRATICAL EVF Scope Settings • Each scope can be toggled ON/OFF. All scopes off defaults image to the center. EVF SCOPES • Scopes can be displayed in HISTOGRAM LEFT LOCATION the Gratical and on a second LUMA TYPE LINEAR SCALE...

  • Page 13: Overlays

    GRATICAL EVF Overlays OVERLAYS FALSE COLOR FOCUS ASSIST FOCUS ASSIST (ZEBRA) FRAME LINE [NONE] MENU SETTINGS PREVIOUS MENU False Color • Select FALSE COLOR to see feature ON/OFF. • Use False Color to aid in obtaining the correct exposure of your scene.

  • Page 14: Focus Assist (Red Line)

    GRATICAL EVF Focus Assist (Red-Line) FOCUS ASSIST RED-LINE ENABLE • Select RED-LINE ENABLE to COLOR LEVEL see feature On/Off. • Select COLOR to change the color of the focus assist lines. • Select LEVEL to change the intensity of the focus assist lines.

  • Page 15: Frame Line

    GRATICAL EVF Frame Line FRAME LINE 1.33:1 (4x3) ** 1.66:1 (15x9) • Choose the frame lines and/or 1.78:1 (16x9) 1.85:1 action safe lines you wish to 2.35:1 2.66:1 overlay on the image. CENTER CROSS 3x3 GRID Menu Settings • Select MENU LOCATION to move the menu to one of six locations.

  • Page 16: Pixel To Pixel

    GRATICAL EVF Pixel to Pixel PIXEL TO PIXEL (ZOOM) ENABLE • Select ENABLE to see feature CENTER PAN RATE On/Off. While ON, use the joystick to scroll around the image. • Select CENTER to re-center the picture while zoomed in.

  • Page 17: Anamorphic

    GRATICAL EVF Anamorphic • Select the anamorphic de-squeeze factor corresponding to your lens. Frame Store • Toggle Show ON/OFF to display the stored frame in the selected memory bank. If no frame has been stored in the selected bank, a warning message will appear “Frame (X) has...

  • Page 18: Function Buttons

    GRATICAL EVF Function Buttons • The Gratical has eight function buttons that can be assigned by the user. These include the four buttons (F1, F2, F3, F4) and the four directions of the joystick (UP, DOWN, LEFT RIGHT). Function buttons come preprogrammed but can be changed at any time.

  • Page 19: About

    GRATICAL EVF About • Choose ABOUT to view the EVF firmware version on your device. • SYSTEM INFO is used for developer and debugging.
  • Page 20 Contact Zacuto for service. • Do not attempt to power another device by using the Gratical as a power source. • To report bugs, features, and ideas please contact zacuto. For more support call us at 888-294-FILM or email us at sales@zacuto.com...

  • Page 21: Limited Warranty

    GRATICAL EVF Limited Warranty Zacuto USA electronic devices come with a limited one year hardware warranty. The limited hardware warranty covers defects in workmanship and materials of our products for up to one year. This warranty does not cover any damage to this...
  • Page 22 GRATICAL EVF Technical Specifications Micro OLED Display Screen Dimension Contrast Ratio Luminance 0.61” Diagonal 10,000:1 120-250 CD/m 2 0.39” Diagonal Refresh Rate Pixel Info 60Hz 16.7 Million Colors Resolution Full Display 2687.21 PPI Color Depth 1280x1024 5.4 Million Pixels 24 Bit RGB Full Display 3282.05 PPI...

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