Zenmuse XT User Manual - Mid
User Manual
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Using this Manual
Install the DJI GO App
Search for ‘DJI GO’ on the App Store or Google Play and install
the app on your mobile device.
DJI GO supports iOS 8.0 (or later) or Android 4.1.2 (or later).
ECCN (Export Control Classification Number)
This Zenmuse XT product, its components, related technology and software are controlled under
the U.S. Export Administration Regulation, the Export Control Classification Number (ECCN) for this
product is 6A003.b.4.b.
Refer to the link below for more information:
2 © 2016 DJI. All Rights Reserved. Content
Using this Manual
Install the DJI GO App
ECCN (Export Control Classification Number)
Supported Aircraft
Mounting the Zenmuse XT on the Inspire 1
Mounting the Zenmuse XT on the Matrice 100
Downloading DJI GO
Connecting to DJI GO
Camera View
Remote Controller Operations
© 2016 DJI. All Rights Reserved.
The Zenmuse XT gimbal and camera features the FLIR Longwave Infrared Thermal Camera. It
provides high-sensitivity (<50 mK@f/1.0) infrared imaging at 640/30 fps or 336/60 fps depending on
the camera model, and comes with 6.8 mm, 7.5 mm, 9 mm, 13 mm or 19 mm lens options.
As with other DJI 3-axis gimbal systems, the Zenmuse XT can be mounted on the Matrice 100 or
Inspire 1 series aircraft and stream live video to the DJI GO app. This makes it excellent for aerial
thermal applications such as inspection and maintenance, search and rescue, and precision
Zenmuse XT
[1] Gimbal Connector
[2] Pan Motor
[3] Tilt Motor
[4] Lens
[5] Camera
[6] Micro SD Card Slot
[7] Roll Motor
Supported Aircraft
DJI Inspire 1
DJI Inspire 1 V2.0
DJI Matrice 100
Mounting the Zenmuse XT on the Inspire 1
The Zenmuse XT can be mounted on the Inspire 1 aircraft in place of the Zenmuse X3.
1. Remove the gimbal cap and the lens cap.
4 © 2016 DJI. All Rights Reserved. ZENMUSE XT User Manual
2. Rotate the gimbal lock on the Inspire 1 to the unlocked position. With the white lines aligned,
insert the gimbal.
3. Rotate the gimbal lock to the locked position.
Mounting the Zenmuse XT on the Matrice 100
The Matrice 100 aircraft has to be modified before mounting the Zenmuse XT. Refer to “Mounting
the Gimbal” in the Matrice 100 User Manual for detailed procedures.
The following parts are required for the installation.
Gimbal Lock
Gimbal Cables and Screws
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ZENMUSE XT User Manual
The mounted Zenmuse XT should look like this.
Ensure the Zenmuse XT is mounted securely.
The Zenmuse XT is a delicate instrument. Do not disassemble the gimbal or camera as
this will cause permanent damage.
Downloading DJI GO
Search for ‘DJI GO’ on the App Store or Google Play and download the app to your mobile device.
DJI GO supports iOS 8.0 (or later) or Android 4.1.2 (or later).
Connecting to DJI GO
1. Turn on the aircraft and the remote controller.
2. Connect your mobile device to the remote controller using a USB cable.
3. Launch DJI GO and enter Camera View. You will see real-time video from the camera when a
connection is established.
6 © 2016 DJI. All Rights Reserved. ZENMUSE XT User Manual
Camera View
[1] Information Bar
Displays the remaining shots or record time, photo/video format, and selected palette and
[2] Spot Meter
Tap to enable the spot meter and temperature display.
[3] Digital Zoom
Tap to adjust digital zoom.
[4] Camera Settings
Tap to view the camera settings.
[5] Photo/Video Mode
Switch between photo and video modes.
[6] Shutter/Record Button
Shoot photos or video depending on the camera mode.
[7] Playback
Tap to view photos and videos on your Micro SD card.
© 2016 DJI. All Rights Reserved.
ZENMUSE XT User Manual
1. Camera Settings
1) Photos
Shooting Mode
Image Format
Shooting Mode: Single Shot or Interval Timer (1-60 second intervals).
Image Format: JPEG (8-bit) or TIFF (14-bit).
2) Video
Video Format
Video Format: NTSC 30fps, NTSC 60fps, PAL 25fps or PAL 50fps.
*The camera can only shoot TIFF format photos when recording video.
8 © 2016 DJI. All Rights Reserved. ZENMUSE XT User Manual
2. General Settings
Gain Mode
Restore Factory Default Settings
Format Micro SD Card
ROI (Region of Interest)
Use this feature to manage color range distribution across the screen to maximize contrast for
regions of highest interest.
If you want the color spectrum to be evenly distributed across the entire image, select "Full".
If there is large patch of sky (relatively low temperature) in your image, much of the color
spectrum will be allocated to the lower range, meaning other parts of the spectrum will have less
contrast. In this case, you may select “Sky excluded (33%)” or “Sky excluded (50%)” to ignore
areas of the sky so that most of the spectrum can be allocated to remaining areas, providing
higher contrast and utility for analysis.
ROI set to “Full”
Sky excluded from ROI
The Zenmuse XT offers a variety of Palette options. Distinct colors are used to show temperature
differences in the thermal image, which are related to the grayscale intensity. The temperature
range of the image is mapped to 256 colors and displayed in the 8-bit JPEG or MPEG-4 format.
© 2016 DJI. All Rights Reserved.
ZENMUSE XT User Manual
The following table shows all Palette options.
Different Palette effects of the same image:
White Hot
Black Hot
Use the Scene option to instantly enhance your image. You can select Linear, Default, Sea/Sky,
Outdoor, Indoor, Manual or a custom option. The camera will automatically apply the following
properties to obtain the best result.
10 © 2016 DJI. All Rights Reserved. ZENMUSE XT User Manual
DDE (Digital Detail Enhancement) enhances image details and/or suppresses fixed pattern noise.
ACE (Active Contrast Enhancement) provides a contrast adjustment dependent on the relative
scene temperature. ACE thresholds greater than 0 impart more contrast to hotter scene content
and decrease contrast for colder scene content (e.g. sky or ocean). ACE thresholds less than 0 do
the opposite by decreasing contrast for hotter scene content and leaving more of the gray-scale
shades to represent the colder scene content.
SSO (Smart Scene Optimization) defines the percentage of the histogram that will be allotted
a linear mapping. SSO features facilitate the avoidance of irradiance level compression, which
is specifically important for bi-modal scenes, and better preserves the radiometric aspects of
an image (i.e. the difference in gray shades between two objects is more representative of the
difference in temperature). While radiometry is better preserved with this feature, the compromise
is the optimization of local contrast.
Contrast: the ratio of the black and white of the image. The colors will be richer and have more
contrast when the value is large.
Brightness: The brightness of the image.
Enabling Isotherm allows designated temperature ranges to be represented with different color
schemes, so that objects measured in a single color scheme impart higher contrast and better
Individual isotherms (or color schemes) are separated by upper, middle and lower thresholds, which
have a value in percentage or temperature.
Take the White Hot Isotherm as an example. Below the lower threshold, 128-Grayscale is used to
represent temperature differences.
Between the lower and middle thresholds, Color Scheme 1 (48-Isotherm) is used.
Between the middle and upper thresholds, Color Scheme 2 (48-Isotherm) is used.
Above the upper threshold, Color Scheme 3 (32-Isotherm) is used.
Color Scheme 1 (48-Isotherm)
Color Scheme 2 (48-Isotherm)
Color Scheme 3 (32-Isotherm)
© 2016 DJI. All Rights Reserved.
ZENMUSE XT User Manual
White Hot Isotherm
Black Hot Isotherm
Fusion Isotherm
Rainbow Isotherm
Spot Meter
The Zenmuse XT can measure the average temperature of the 4×4 pixels in the center of an image
with an accuracy of ±20˚C in High Gain mode, and an accuracy of 20% of the entire temperature
range or 20˚C (whichever is greater) in Low Gain mode.
The spot meter’s measurement accuracy is affected by various factors:
1) Reflectivity of objects - shiny metals with high reflectivity will reflect more of the background
radiation, and result in a larger error; objects with matte surfaces will produce a higher accuracy.
2) Temperature of background radiation - a sunny day without clouds will have less of an effect on
the accuracy than a cloudy day.
3) Air temperature and humidity - the higher the temperature and humidity, the lower the accuracy.
4) Distance between camera and object - the shorter the distance, the higher the accuracy.
5) Emissivity of objects - the higher the emissivity, the higher the accuracy.
Gain Modes
High Gain Mode: The camera covers a smaller temperature range but is more sensitive to
temperature differences.
Low Gain Mode: The camera covers a wider temperature range but is less sensitive to temperature
Auto Gain Mode (Default): The camera will automatically select the optimal gain mode according to
the temperature range of the image.
FFC Calibration
12 © 2016 DJI. All Rights Reserved. ZENMUSE XT User Manual
Restore Factory Default Settings
Tap to restore the camera to the default settings.
Format Micro SD Card
Tap to format your Micro SD card.
The calibration happens automatically and is used to optimize image quality. A blue square in the
upper right corner of the screen indicates that the FFC calibration is about to begin. During the
calibration, your screen may freeze momentarily and the camera will make a clicking sound.
3. Units of Measurement
Units: Fahrenheit, Celsius and Kelvin.
© 2016 DJI. All Rights Reserved.
Remote Controller Operations
The remote controller offers a host of buttons and dials to change camera settings and capture
images with the tap of your finger.
[1] Left Dial
Turn to adjust the camera’s tilt or pan.
[2] Record Button
Press to start/stop recording video.
[3] Right Dial
Press to switch between the Palette (default) and digital zoom. Turn to adjust their values.
[4] Playback Button
Press to view photos and videos on your Micro SD card. Press again to exit.
[5] Shutter Button
Press to take photos.
14 © 2016 DJI. All Rights Reserved. Specifications
Zenmuse XT
103 mm x 74 mm x 102 mm
270 g
Angular Vibration Range
Controllable Range
Tilt: +30° to -90°; Pan: ±320°; Roll: ±15°
Mechanical Range
Tilt: +45° to -135°; Pan: ±320°; Roll: ±45°
Max Controllable Speed
Thermal Imager
Uncooled VOx Microbolometer
FPA/Digital Video Display Formats
640 × 512
Analog Video Display Formats
720 × 480 (NTSC); 720 × 576 (PAL)
Pixel Pitch
17 μm
Spectral Band
7.5-13.5 μm
Full Frame Rates
30 Hz (NTSC); 25 Hz (PAL)
Exportable Frame Rates
7.5 Hz (NTSC); 8.3 Hz (PAL)
Sensitivity (NEdT)
<50 mK at f/1.0
Scene Range (High Gain)
-13° to 275° F
(-25° to 135° C)
Scene Range (Low Gain)
-40° to 1022° F (-40° to 550° C)
Spot Meter
Temperatures measured in central 4×4
File Storage
Micro SD Card
Photo Format
Video Format
Video Recording Bitrate
2 Mbps
Support SD Cards
Micro SD; Max capacity: 32 GB
336 × 256
-13° to 212° F
(-25° to 100° C)
Image Processing & Display Controls
NTSC/PAL (Field Switchable)
Image Optimization
Digital Detail Enhancement
Polarity Control (Black Hot/White Hot)
Color & Monochrome Palettes (LUTs)
Digital Zoom
2x, 4x, 8x
2x, 4x
© 2016 DJI. All Rights Reserved.
ZENMUSE XT User Manual
Lens Models
6.8 mm
7.5 mm
9 mm
13 mm
19 mm
90° × 69°
2.267 mr
69° × 56°
1.889 mr
45° × 37°
1.308 mr
32° × 26°
0.895 mr
17μ 640×512
17μ 336×256
49.1° × 37.4° /
2.519 mr
35° × 27°
1.889 mr
25° × 19°
1.308 mr
17° × 13°
0.895 mr
Min Focus Distance
2.3 cm
2.5 cm
3.2 cm
7.6 cm
15.3 cm
Hyperfocal Distance
1.2 m
1.2 m
2.1 m
4.4 m
9.5 m
Hyperfocal Depth of Field
0.6 m
0.6 m
1.1 m
2.2 m
4.8 m
Operating Temperature
14° to 104° F (-10° to 40° C)
Non-Operating Temperature
-22° to 158° F (-30° to 70° C)
Temperature Shock
5° C/min
5% to 95%
* FLIR is the trademark of FLIR Systems, Inc.
16 © 2016 DJI. All Rights Reserved. DJI Support:
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DJI by sending a message to DocSupport@dji.com.
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