Zacuto Gratical HD User manual

The Gratical HD Micro-OLED Electronic Viewfinder
Full Digital Manual
Bright. Sharp. Brilliant.

2
Table of Contents
Gratical Features .........................................................................................................................3
Included Components ................................................................................................................4
Battery Usage............................................................................................................................... 4
Power Sources..............................................................................................................................4
HDSDI & HDMI Connections......................................................................................................5
Operating Lens Door ..................................................................................................................5
Removing/ Installing Lens Protection ........................................................................................6
Operating Menus ........................................................................................................................7
Display Calibration ......................................................................................................................8
LUTs...............................................................................................................................................9
Color Bars...................................................................................................................................10
Scopes ........................................................................................................................................11
Scopes Settings .........................................................................................................................12
Overlays .....................................................................................................................................13
False Color .................................................................................................................................13
Focus Assist (Red Line)..............................................................................................................14
Peaking.......................................................................................................................................14
Exposure Assist (Zebras) ..........................................................................................................14
Frame Line..................................................................................................................................15
Time Code .................................................................................................................................15
Record Light...............................................................................................................................15
Meters.........................................................................................................................................15
Menu Settings............................................................................................................................16
Pixel to Pixel...............................................................................................................................16
DSLR Scaling ..............................................................................................................................16
Anamorphic ...............................................................................................................................18
Frame Store................................................................................................................................18
Function Buttons .......................................................................................................................19
Lock Buttons ..............................................................................................................................19
Update........................................................................................................................................20
About..........................................................................................................................................20
Precautions.................................................................................................................................21
Limited Warranty .......................................................................................................................21

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Gratical Features
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2
4
56
1
11 12
13
14
15 16
9
10
7
8
1. Power Button
2. USB Port
3. HDSDI Out
4. HDSDI In
5. HDMI Out
6. HDMI In
7. Focusing Ring
8. Arri 1/4”- 20 Rosette
9. Function Buttons
10. Joystick
11. Battery Release Button
12. LP-E6 Battery
13. HDMI Covers
14. HDSDI Covers
15. Lens Door
16. 1/4”-20 EVF Mount

4
Insert the battery into the left side compartment of the
Gratical. Slide to the right until locked in place. To remove the
battery press the release button and slide the battery to the left
of the case.
Connect male D-Tap
to power source.
PT-ZAC-E6
Slide Battery attachment
into the Gratical.
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.
Using an External Power Source
Optional equipment includes an External Battery
Attachment with D-Tap and a compatible battery source.
Release Button
Included Components
3 AC Plug Adapters Li-ion Battery Charger Li-ion Battery LP-E6 Pack

5
Opening Eyecup Lens
Door Hands Free
Position your head next to the
lens door tab. Apply pressure
with your head to the lens door
tab, slide your head from left
to right opening the door.
See video at
www.zacuto.com/gratical-support
Opening Eyecup to
keep Lens Door open
The Eyecup can be folded over
on itself so that lens door
remains open. Reminder:
When the Lens Door does
not automatically close your
Gratical is exposed to the sun.
HDSDI and HDMI
Connections
The Gratical HD includes two
HDMI and two HDSDI ports with
cross conversion from HDMI
to HDSDI. Weather resistant
covers prevent moisture or debris
from getting in open ports.
In InOut Out

6
Removing & Installing Level 1 Fog Protection
Level 1 Fog Protection Anti-Fog Coated Diopter offers a mild fog
protection. Good for average conditions, comes pre-installed.
1. To replace the diopter, remove three Phillips screws and remove the diopter
2. Install new diopter and tighten 3 Phillips screws back into place.
Place the Eyecup on one side
of the Gratical Lens Lip, and then
push down around the rest.
Installing Level 2 Fog Protection
Level 2 Fog Protection Anti-Fog Shield offers extreme Fog protection.
Included with Gratical, but does not come pre-installed.
1. To install Level 2 Fog Protection, peel off protective layer from both sides of
the level 2 Fog protection. Lay on top of the lens lip and remount eyecup.
Level 1
Diopter
Concave
(Facing Display) Convex
Lens Lip Anti Fog Shield
Level 2

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MAIN MENU
DISPLAY CALIBRATION
LUTS
COLOR BARS
SCOPES
OVERLAYS
METERS
PIXEL TO PIXEL (ZOOM)
DSLR SCALING [Auto/Playback]
ANAMORPHIC DE-SQUEEZE [NORMAL]
FRAME STORE
FUNCTION BUTTONS
USER FEATURES
LOCK BUTTONS
UPDATE
ABOUT
The menu screen reveals itself over the current video display to show real-time
updates of changes made. Menu will disappear after 30 seconds of inactivity.
1. To open menu press in joystick. Navigate
menu using up, down, left, right. Press in to
select. Left will return you to the previous
menu or make the menu disappear when
on main menu.
With the menu off, the Joystick can be pre-
programmed with functions. (Defaults
Listed Below) These Joystick functions
can be changed through the menu.
Up- Focus Assist
Down- Battery Meter
Left- None
Right- Toggle Waveform / Vector
2. The four function buttons on the side of the
Gratical can be programmed through your
menu to assign a video processing feature for
quick selection. These function buttons can
only be used while the menu is off.
F1- Toggle all Scopes ON/OFF
F2- False Color
F3- Exposure Assist (Zebras)
F4- Pixel to Pixel
2 1
Operating Menus
F1 F2 F3 F4
Current Selection
(In Red)
Current Setting
Sub-Menu
Indicator
Time-code
Battery Meter
Audio Meter
Waveform or
Vectorscope
Histogram
SET

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Use these settings to adjust the calibration of the Micro OLED Display.
BRIGHTNESS: [-100 to 100]
CONTRAST: [-100 to 100]
RED: [-100 to 100]
GREEN: [-100 to 100]
BLUE: [-100 to 100]
RGB: [-100 to 100]
GAMMA: [0.2 to 2.6]
• Your settings may be saved and recalled with the SAVE PRESET
and RECALL PRESET functions.
• Select RESTORE DEFAULT to restore factory default settings.
Display Calibration
DISPLAY CALIBRATION
BRIGHTNESS
CONTRAST
SATURATION
RED
GREEN
BLUE
RGB
GAMMA
RESTORE DEFAULT
IMAGE FLIP
SELECT PRESET
STORE PRESET
9
0
12
0
0
0
5
1.00
OFF

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Import Custom LUT
• To import a custom LUT, insert a USB stick into the Gratical and select import custom
LUT from the LUT menu. Select the LUT you wish to import from the list of available
LUTs. Currently compatible with 1D LUTs (.cube, .csm file types)
Select Preset EVF LUT
• To use a preset LUT for the Gratical, select a LUT from the list of available preset LUTs.
Select Custom EVF LUT
• To select a custom LUT, you must first create or import a LUT to the Gratical. Once you
have imported a custom LUT, select a LUT from the list available custom LUTs.
Select Preset SDI Out LUT
• To use a preset LUT for the SDI Out, select a LUT from the list available preset LUTs.
Select Custom SDI Out LUT
• To select a custom LUT, you must first import a LUT to the Gratical. Once you have
imported a custom LUT, select a LUT from the list available custom LUTs.
Create LUT
• You can create your own LUT from within the CREATE CUSTOM LUT menu. Saved cus-
tom LUTs can be found in the SELECT CUSTOM LUT menu. Note that when preset LUTs
have been selected, you will be able to see the values of those LUTs in the CREATE
CUSTOM LUT menu. This allows you to tweak and modify the preset values. Saving an
altered version of a preset LUT will not overwrite the original.
LUTs
LUTS
IMPORT CUSTOM LUT
CREATE CUSTOM LUT
EXPORT CUSTOM LUT
SELECT PRESET EVF LUT
SELECT CUSTOM EVF LUT
(off)
SELECT PRESET SDI OUT LUT
SELECT CUSTOM SDI OUT LUT
(off)
PREVIOUS MENU

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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
OFF
ON
OFF
COLOR BARS
SMPTE HD
MACBETH
BLUE ONLY
MONOCHROME
PREVIOUS MENU
OFF
ON
OFF
OFF
COLOR BARS
SMPTE HD
MACBETH
BLUE ONLY
MONOCHROME
PREVIOUS MENU
ON
OFF
OFF
OFF