ZENMUSE XT 2
THERMAL BY
User Manual
2018.04V1.0
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Using this Manual
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Warning Important Tips
DJI Pilot App Download
Search for “DJI Pilot” in Google Play and install the app on your tablet.
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size tablets. It is recommended to use the DJI CrystalSky, Xiaomi Pad 2/3, Nexus 9,
Samsung Galaxy Tab Pro 8.4/Tab A, and Huawei M2/M3 tablets for optimal usage.
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Content
Using this Manual
Legend
DJI Pilot App Download
Introduction
Installation
Supported Aircraft
Mounting the Zenmuse XT 2
DJI Pilot App
Connecting to DJI Pilot
Settings
Remote Controller Operation
Specications
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Introduction
The ZENMUSETM XT 2 gimbal and camera features a FLIR longwave infrared thermal camera and
a visual camera, providing both infrared and visible light imaging simultaneously. The HeatTrack
and QuickTrack features make it easy to mark and track objects on your mobile device’s screen.
The FLIR longwave infrared thermal camera provides high-sensitivity (<50 mK @nf/1.0) infrared
scanning at 640/30 fps or 336/60 fps (depending on the camera model), and has 9 mm, 13 mm,
19 mm, and 25 mm lens options. The visual camera captures 4K videos and 12MP photos.
TM
As with other DJI
MATRICE
TM
200 series and Matrice 600 series aircraft and can stream live HD video to the
DJI Pilot app. This makes it excellent for aerial thermal applications such as inspection and
maintenance, search and rescue, and precision agriculture.
Zenmuse XT 2 Overview
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3-axis gimbal systems, the Zenmuse XT 2 can be mounted onto the
1. Gimbal Connector
2. Pan Motor
3. MicroSD Card Slots
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4. Tilt Motor
5. Visual Camera
6. Infrared Thermal Camera
7. Roll Motor
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Installation
Supported Aircraft
Matrice 200 Series Matrice 600 Series
Mounting the Zenmuse XT 2
1. Remove the gimbal cap, as shown below.
2. Rotate the gimbal connector to the unlocked position and insert the gimbal. Rotate the gimbal
connector to the locked position, as shown below using the Matrice 200 aircraft as an example.
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Ensure that the Zenmuse XT 2 is mounted securely. Hold the gimbal connector rmly and
apply a steady, rm rotating force when attaching or detaching the gimbal.
Ensure that the M200 series aircraft rmware version is 1.01.0900 or later. When mounting on
a M210 or M210 RTK aircraft, ensure that the Zenmuse XT 2 is mounted to gimbal connector I.
Ensure that the microSD card slot cover is rmly in place to prevent dust or moisture damage.
The Zenmuse XT 2 is a sophisticated device. Do not disassemble the gimbal or camera,
as this will cause permanent damage.
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R
Ready to Go (GPS)
OPTI
5.8G
85%
85%
4.05 V
4.05 V
X1 PIP
m/s
S 2.6Dm56
m
H27 00:54:03
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2 5 63
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DJI Pilot App
Connecting to DJI Pilot
1. Turn on the aircraft and remote controller.
2. Connect your mobile device to the remote controller via the USB cable.
3. Launch DJI Pilot and enter Camera View. When the connection is established, your mobile device
will display real-time video from the camera.
Settings
Camera View
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ZENMUSE XT 2
1. Spotlight
Spotlight provides access to the QuickTrack and HeatTrack features. When using QuickTrack,
drag a box on the screen surrounding the desired subject, which the gimbal will follow. The red
and blue points represent the hottest and coolest points in the selected area, respectively. If the
desired subject is lost during tracking, manually reselect it.
When using HeatTrack, the gimbal automatically recognizes and follows the hottest object on
the screen. The red point represents the hottest point on the screen. If the gimbal recognizes a
hotter point while tracking, the red point will move and a circle will appear around it. Tap on this
point to follow it.
Please note that Spotlight is only available when using the Zenmuse XT 2 with the M200 series
aircraft.
2. Gimbal Mode
The three gimbal modes are Follow, Free, and Recenter.
User Manual
3. FFC Calibration
Calibration is used to optimize image quality. During calibration, your screen may freeze
momentarily and the camera will make a clicking sound.
4. Digital Zoom
Tap to adjust the digital zoom.
5. Display Mode
Tap to switch between the Vision, PIP, Infrared, and MSX display modes.
Vision mode: Only displays the footage that visual camera captures.
PIP mode: PIP mode includes three sub-modes:
1) Visual footage contains embedded infrared footage, whose position can be adjusted;
2) Visual and infrared footage display side by side;
3) Infrared footage lays exactly over corresponding visual footage.
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ZENMUSE XT 2
User Manual
Infrared mode
Only displays the footage that infrared thermal camera captures.
MSX mode
Fuses the infrared and visual footage. Tap the tool icon to select the degree of fusion.
Spot Meter and Area
Measurement Button
Fusion Degree Settings
Spot meter and Area measurement are available when using Infrared or MSX modes.
Spot Meter
The temperature of any position in an image can be measured with an accuracy of ±10°C
(±50°F). Under ideal environmental conditions are ideal, the camera provides an accuracy of
±5°C (±41°F).
Area Measurement
Enabling this function will display the average temperature, lowest temperature, highest
temperature, and the corresponding locations of each area in DJI Pilot. Full-screen view also
supported.
The temperature measurement accuracy is affected by various factors:
1) Reectivity of objects - shiny metals with high reectivity will reect more of the background
radiation and result in lower accuracy, whereas 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 - as temperature and humidity increases, accuracy decreases.
4) Distance between camera and object - as distance decreases, accuracy increases.
5) Emissivity of objects – emissivity and accuracy increase together.
When MSX is selected, adjust the accuracy of the MSX footage using MSX adjustment.
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ZENMUSE XT 2
6. Tool Icon
Tap for display mode settings.
7. Camera Settings
1) Photo Settings
Shooting modes include Single Shot, Burst: 3/5 frames, Interval Timer (2/3/5/7/10/15/20/30 s).
Photo Format: R-JPEG, JPEG, TIFF (14-bit).
2) Video Settings
The video format can be set independently for the infrared and visual cameras.
Visual camera: MOV or MP4 formats, with differing resolutions.
Infrared camera: MOV, MP4, TIFF Sequence and SEQ formats.
3) General Settings
Video caption: Create an onscreen information le to support the video le.
Anti-icker: Select the frequency to prevent light ickering.
PIP settings: Set where live views from both cameras are displayed on the screen.
ROI (Region of Interest)
Use this feature to manage color range distribution across the screen to maximize contrast for
regions of highest interest.
User Manual
Select “Full” to evenly distribute the color spectrum across the entire image.
For instance, if there is a large patch of sky (relatively low temperature) in your image, much of
the color spectrum will be allocated to the lower range, meaning that other parts of the spectrum
will have a lower 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.
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ZENMUSE XT 2
Palette
The Zenmuse XT 2 offers a variety of palette options. Distinct colors are used to show
temperature differences in the thermal image, which are related to grayscale intensity. The
temperature range of the image is mapped to 256 colors and displayed in the 8-bit JPEG or
MPEG-4, MOV format.
The following table shows all palette options.
User Manual
ROI set to “Full” Sky excluded from ROI
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ZENMUSE XT 2
Different palettes applied to the same example image are shown below.
White Hot Black Hot
Fusion Rainbow
User Manual
Scene
Instantly enhance your images through selecting the Linear, Default, Sea/Sky, Outdoor, Indoor,
Manual, or Custom options. The camera will automatically apply the following properties to obtain
the best result.
DDE (Digital Detail Enhancement): Enhances image details and/or suppresses xed 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., the sky or ocean). ACE thresholds less
than 0 do the opposite by decreasing contrast for hotter scene content and leaves more of the
gray-scale shades available to represent the colder scene content.
SSO (Smart Scene Optimization): Denes the percentage of the histogram that will be allotted
a linear mapping. SSO features facilitate the avoidance of irradiance level compression, which
is specically important for bimodal scenes, and better preserves the radiometric aspects of
an image (i.e., the difference in gray shades between two objects is a better representative
of the difference in temperature). While radiometry is better preserved with this feature, the
optimization of local contrast is compromised.
Contrast: The ratio of the black and white of the image. Colors will be richer and have more
contrast when the value is high.
Brightness: The brightness of the image.
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ZENMUSE XT 2
User Manual
Isotherm
This feature 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 visibility.
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. In the image below, the lower threshold of 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.
WhiteHotIso
128-Grayscale
Color Scheme 1 (48-Isotherm)
Color Scheme 2 (48-Isotherm)
Color Scheme 3 (32-Isotherm)
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ZENMUSE XT 2
White Hot Isotherm Black Hot Isotherm
Fusion Isotherm Rainbow Isotherm
There are three options for Isotherm: Search People, Search Fire, and Customized. When Search People
or Search Fire are selected, the upper, middle, and lower thresholds are set. The footage will display with
people or re enhanced for greater visibility. Screenshot shown below is an example of Search People.
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ZENMUSE XT 2
Gain Modes
High Gain mode: A narrower temperature range can be captured with a higher sensitivity to
temperature differences.
Low Gain mode: A wider temperature range can be captured with a lower sensitivity to temperature
differences.
Auto Gain mode (default): The optimal temperature range is automatically selected according to the
temperature range of the image.
External Parameters
The scene emissivity, background temperature, and other external parameters can be set by the
user to improve temperature measurement accuracy.
Temperature Alert
After enabling the Area measurement feature, an alert temperature value can be set.
When the highest temperature in the selected area exceeds the alert value, an onscreen notication
will appear in DJI Pilot.
FFC Settings
Both manual and automatic FFC calibration are supported.
Restore Settings
Tap restore factory default settings to restore the camera to the default settings.
Tap “Format microSD card” to format and remove all content from the microSD card.
User Manual
SD card 2, which is located near the lens, is used to store TIFF Sequence and SEQ
infrared RAW video only. All other format footage will be stored on SD card 1.
It is recommended to use ImageJ to play the TIFF Sequence video and FLIR Tools to play
SEQ video.
8. Shutter/RecordToggle
Switch between photo and video modes.
9. Shutter/RecordButton
Shoot photos or video depending on the camera mode.
10.Playback
Tap to view photos and videos from the microSD card.
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Remote Controller Operation
Press the right dial to select a Palette and press the Shutter or Record button to capture photos or
record video. Adjust the camera’s tilt using the left dial.
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1. Left Dial
Turn to adjust the camera’s tilt or pan.
2. Record Button
Press to start/stop recording video.
3. Shutter Button
Press to take photos.
4. Right Dial
Press to select a palette.
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Specications
General
Name Zenmuse XT 2
Dimensions
Weight 25 mm lens: 629 g; Other lens versions: 588 g
Gimbal
Angular Vibration Range ±0.01°
Mount Detachable
Controllable Range Tilt: +30° to -90°, Pan: ±320°
Mechanical Range Tilt: +45° to -130°, Pan: ±330°, Roll: -90° to +60°
Max Controllable Speed Tilt: 90°/s, Pan: 90°/s
Camera (Thermal)
Thermal Imager Uncooled VOx Microbolometer
FPA/ Digital Video Display Formats 640×512; 336×256
Digital Zoom 640×512: 1x, 2x, 4x, 8x; 336×256: 1x, 2x, 4x
Pixel Pitch 17 μm
Spectral Band 7.5-13.5 μm
Full Frame Rates 30 Hz
Exportable Frame Rates <9 Hz
25 mm lens: 123.7×112.6×127.1 mm
Other lens versions: 118.02×111.6×125.5 mm
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ZENMUSE XT 2
Sensitivity (NEdT) <50 mk @ f/1.0
Scene Range (High Gain)
Scene Range (Low Gain) -40° to 550℃
File Storage microSD card
Photo Format JPEG, TIFF, R-JPEG
Video Format
Camera (Visual)
Sensor CMOS, 1/1.7", Effective Pixels: 12 M
Lens Prime lens; Focus at 8 mm, FOV 57.12°× 42.44°
Digital Zoom 1x, 2x, 4x, 8x
Photo Formats JPEG
Video Formats MOV, MP4
Video Resolutions
Working Modes Capture, Record, Playback
Still Photography Modes
Video Caption Supported
Anti-icker Auto, 50 Hz, 60 Hz
Storage
Supported File System FAT 32 (≤32GB), exFAT (>32GB)
Image Processing & Display Control
Image Optimization Yes
Digital Detail Enhancement Yes
Polarity Control (Black Hot/ White Hot) Yes
Color & Monochrome Palettes (LUT) Yes
User Manual
640×512: -25° to 135℃
336×256: -25° to 100℃
8 bit: MOV, MP4
14 bit: TIFF Sequence, SEQ
4K Ultra HD: 3840×2160 29.97p
FHD: 1920×1080 29.97p
Single Shot
Burst Shooting (3/5 frames)
Interval (2/3/5/7/10/15/20/30 s)
microSD card. Max capacity: 128 GB. UHS-3 required.
Recommended model:
Sandisk Extreme 16/32 GB UHS-3 microSDHC
Sandisk Extreme 64/128 GB UHS-3 microSDXC
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ZENMUSE XT 2
Lens Models 9 mm 13 mm 19 mm 25 mm
640×512
336×256
Min Focus Distance 3.2 cm 7.6 cm 15.3 cm 30 cm
Hyperfocal Distance 2.1 m 4.4 m 9.5 m 21 m
Hyperfocal Depth of Field 1.1 m 2.2 m 4.8 m
FoV
iFoV
FoV
iFoV
/
f/1.25
35°×27°
1.889 mr
f/1.25
45°×37°
1.308 mr
f/1.25
25°×19°
1.308 mr
f/1.25
32°×26°
0.895 mr
f/1.25
17°×13°
0.895 mr
User Manual
f/1.1
25°×20°
0.680 mr
/
11 m
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