AEMC 1950 User manual

Model 1950
ENGLISH User’s manual
 THERMAL CAMERA
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ATTENTION
An infrared camera is a sensitive optical measuring device. Pay special attention to the following points:
Do not aim the camera at the sun, a laser welding, or other sources of powerful thermal radiation.
If parts of the camera are damaged or present problems following failure to heed the preceding warning, neither the manufacturer
nor the distributor shall be held liable, and all costs incurred shall be borne solely by the operator.
INTRODUCTION
Thank you for purchasing a Model 1950 thermal camera.
For best results with your device:
 Read these operating instructions carefully.
 Comply with the precautions for use.
Infrared thermography detection technology has been in existence for many years in industrialized countries, where it has become
an indispensable means for ensuring safety in industrial production. It is used in sectors of industry as diverse as metallurgy and
steel-making, electric power, petroleum, automation, the exploitation of natural gas, transportation, and other applications such as
fire-fighting and border surveillance. In all these activities characterized by just-in-time operating procedures, high-voltage
production equipment, powerful electric currents, and/or high operating speeds, infrared thermal imaging provides a real-time non-
contact inspection method.
This detection method does not require you to cut off the power, shut down the machines or interrupt production. It can diagnose
latent malfunctions in advance, and so forestall their occurrence and prevent production incidents. Thermal imaging is an
innovative non-contact evaluation technique that is safe, reliable, and rapid. Compared to the contact-based detection instruments
still widely used, this new technology is revolutionary. Infrared thermal imaging detection technology has major applications in the
following fields:
 surveillance of electrical equipment and high-voltage transformers
 locating leaks from thermal equipment and heat exchangers; analysis of heat losses
 identification of thermal failures in rail transport
 in the micro-electronics industry, inspecting circuits for systematic hot spots
 in fire-fighting, locating latent fire sources, aiding victims and tactical command
 in security, night time surveillance
This is why infrared thermal imaging detection technology is currently regarded as the cutting edge in industrial surveillance.
Meanings of the symbols used on the device:
The CE marking indicates compliance with the European "Low Voltage" and "Electromagnetic Compatibility"
directives (2006/95/EC and 2004/108/EC).
In the European Union, this product is subject to selective collection and recycling at end-of-life as waste
electrical and electronic equipment under directive 2002/96/EC (WEEE): this equipment must not be treated
as ordinary household waste. The spent batteries must not be treated as household waste. Take them to
the appropriate collection point for recycling.
This product is designed to allow recovery and recycling of most of its constituents.
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ORDERING INFORMATION
Receiving Your Shipment
Upon receiving your shipment, make sure that the contents are consistent with the packing list. Notify your distributor
of any missing items. If the equipment appears to be damaged, file a claim immediately with the carrier and notify your
distributor at once, giving a detailed description of any damage. Save the damaged packing container to substantiate
your claim.
Ordering Information
Thermal Imaging IR Camera Model 1950 ............................................................................................ Cat. #2121.40
Includes carrying case, external battery charger, USB cable, two NiMh rechargeable batteries, SD card, Bluetooth headphone,
quick start guide, and a USB stick containing the user manual, analysis software and software manual.
Replacement Parts:
Case – Carrying Case with Foam Insert .................................................................................................. Cat. #2121.60
Adapter – US External Battery Charger ................................................................................................... Cat. #2121.64
Cable – USB (Type A to 5-pin Mini-B)...................................................................................................... Cat. #2126.49
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CONTENTS
ORDERING INFORMATION ................................................................................................. 4
Receiving Your Shipment ...................................................................................................... 4
CONTENTS ........................................................................................................................... 5
1. GETTING STARTED ......................................................................................................... 7
1.1. Safety Precautions ..................................................................................................... 7
1.1.1. Never aim the camera at the sun, a laser welding,
or other source of powerful thermal radiation .................................................. 7
1.1.2. Avoid exposure to dust with the lens flap open ............................................. 7
1.1.3. Do not touch the lens with your fingers ......................................................... 7
1.1.4. Avoid jolting or dropping the camera ............................................................. 7
1.2. Installing the Batteries ............................................................................................... 8
1.3. Inserting the micro SD memory card ......................................................................... 8
1.4. Camera display .......................................................................................................... 9
1.4.1. Battery management .......................................................................................... 9
1.4.2. Main screen ................................................................................................. 10
1.4.3. Displaying menus ......................................................................................... 13
1.5. Configuring the Camera ........................................................................................... 13
1.5.1. Changing the language of the camera ........................................................ 13
1.5.2. Changing the camera's date and time ......................................................... 13
1.5.3. Changing the units for temperature and distance ....................................... 14
1.5.4. Changing the function associated with the trigger of the camera ............... 14
1.5.5. Setting the time before automatic shutdown of the camera ........................ 14
1.5.6. Adjusting the brightness of the screen ........................................................ 14
1.5.7. Changing the image storage location .......................................................... 15
1.5.8. Changing the colors used in the images ..................................................... 15
2. BASIC OPERATION........................................................................................................ 16
2.1. Estimating the temperature of an object without a cursor ....................................... 16
2.2. Locating the cold and hot spots in the image .......................................................... 16
2.3. Measuring the temperature of a point in the image ................................................. 16
2.4. Determining the characteristics of a zone on the screen ........................................ 16
2.5. Displaying the temperature profile of a line in the image ........................................ 16
2.6. Displaying points at the same temperature in the image ........................................ 16
2.7. Freezing the colors representing the temperatures ................................................. 17
3. ADVANCED OPERATION ............................................................................................... 18
3.1. Good practices ......................................................................................................... 18
3.2. Compensating for environmental factors ................................................................. 18
3.2.1. Using default compensation settings ........................................................... 18
3.2.2. Using custom compensation settings .......................................................... 19
3.3. Using a tripod ........................................................................................................... 19
4. SAVING AND RECALLING IMAGES .............................................................................. 20
4.1. Image file naming conventions ................................................................................ 20
4.2. Saving an image ...................................................................................................... 20
4.3. Image file directories ................................................................................................ 21
4.4. Adding a voice recording ......................................................................................... 21
4.5. Changing the voice recording for an existing image ............................................... 21
4.6. Recalling an image .................................................................................................. 22
4.7. Playing back a voice recording ................................................................................ 23
4.8. Deleting an image .................................................................................................... 23
4.9. Downloading an image to a computer ..................................................................... 23
4.9.1. Downloading directly from the micro SD memory card ............................... 23
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4.9.2. Via USB cable .............................................................................................. 24
4.10 Image post-processing and report generation ........................................................ 24
5. SETUP FILES ................................................................................................................. 25
5.1. Storing configuration files ........................................................................................ 25
5.2. Saving the current setup .......................................................................................... 25
5.3. Recalling a saved setup ........................................................................................... 25
5.4. Deleting a saved setup ............................................................................................ 26
5.5. Restoring the camera to its original default settings ................................................ 26
6. BLUETOOTH .................................................................................................................. 27
6.1. Activating/Deactivating Bluetooth ............................................................................ 27
6.1.1. Activating Bluetooth ..................................................................................... 27
6.1.2. Deactivating Bluetooth ................................................................................. 27
6.2. Connecting the headset ........................................................................................... 27
6.2.1. Connecting a headset .................................................................................. 27
6.2.2. Changing headsets ...................................................................................... 28
6.2.3. Disconnecting a headset ............................................................................. 28
6.3. Connecting measurement peripherals ..................................................................... 28
6.3.1. Connecting a Bluetooth measurement peripheral ....................................... 29
6.3.2. Replacing peripherals .................................................................................. 29
6.3.4. Changing the polling period frequency ........................................................ 29
6.3.5. Displaying measurements from peripherals ................................................ 29
6.3.6. Using a measurement to compensate for environmental factors ................ 30
6.3.7. Displaying Bluetooth measurements on the Main screen ........................... 31
7. UPDATING FIRMWARE ................................................................................................. 32
8. TROUBLESHOOTING .................................................................................................... 33
8.1. IR image is solid-color ............................................................................................. 33
8.1.1. The palette of colors is frozen ...................................................................... 33
8.1.2. Inconsistent "user" influencing parameters ................................................. 33
8.2. Contrast of IR image is wrong ................................................................................. 33
8.3. Unable to save the current image ............................................................................ 33
8.4. Opening files takes a long time ................................................................................ 33
8.5. Headset cannot connect to camera ......................................................................... 33
8.6. Bluetooth peripheral cannot connect to camera ...................................................... 33
8.7. Bluetooth measurements are not displayed/refreshed ............................................ 34
9. MAINTENANCE .............................................................................................................. 35
9.1 Cleaning the camera ................................................................................................. 35
9.2 Cleaning the infrared optics ...................................................................................... 35
APPENDIX A: MENU TREE ................................................................................................ 36
APPENDIX B: EMISSIVITY TABLE .................................................................................... 39
APPENDIX C: TECHNICAL SPECIFICATIONS ................................................................. 40
Repair and Calibration ........................................................................................................ 42
Technical and Sales Assistance .......................................................................................... 42
Limited Warranty ................................................................................................................. 43
Warranty Repairs ................................................................................................................ 43
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1. GETTING STARTED
1.1. Safety Precautions
1.1.1. Never aim the camera at the sun, a laser welding, or other source of powerful thermal radiation
Direct exposure to sunlight or other strong thermal radiation can impair the operation of the camera and make the infrared sensor
partially or totally inoperative for as long as several months.
We therefore recommend closing the lens flap when the camera is not in use, to avoid any accidental exposure.
1.1.2. Avoid exposure to dust with the lens flap open
Even though it is rated IP54 (dust and splash protected), we recommend not using the camera in a dusty environment. Dust
deposited on the lens can affect measurements by absorbing part of the thermal flux and causing spurious diffusion. It can also
degrade image sharpness.
To clean your lens, refer to § 9.2 Cleaning the infrared optics.
1.1.3. Do not touch the lens with your fingers
Acids from human skin attack the coatings and the glass of the lens; they can leave indelible traces. Refer to § 9.2 Cleaning the
infrared optics.
1.1.4. Avoid jolting or dropping the camera
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1.2. Installing the Batteries
 The camera accepts AA batteries of two types:
- alkaline
- Ni-MH rechargeable
 The latter must be recharged with an external charger.
 When the batteries are removed, the internal clock has
enough power for 15 hours.
 The batteries are inserted through the end of the handle.
 Open the cover using a coin while pressing down on the
locking tab:
1.3. Inserting the micro SD memory card
The files created by the camera (image, audio, and setup files)
are stored in the micro SD memory card located on the left
side of the head.
If this card is missing, an error message appears as soon as
access to it becomes necessary.
The memory card must be formatted in one of the following:
 FAT16
 FAT32
To insert the card, open the rubber flap and push the card into
its slot. Refer to the illustration to the left.
Make sure to insert the card in the right direction.
If the card cannot be inserted:
- either it is in the wrong direction and must be turned
around
- or there is already a card in the slot.
Micro SD memory
card slot
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1.4. Camera display
In normal operation, the camera starts up:
 in its main display
 in continuous acquisition mode
 with the setup loaded when it was last switched off
However, if the batteries have been removed and then replace, the Battery management appears when the camera starts up.
This menu can also be displayed by pressing and holding down the F2 button when the camera is started up.
Information messages may be displayed on this screen, such as messages for reconnection of Bluetooth peripherals or
error/status messages.
The system date and time entry menu is displayed if the power supply to the internal clock has been interrupted. If this happens,
we recommend updating the date/time information since it is used to name image files saved on the camera.
1.4.1. Battery management
To display the state of the batteries during operation, the camera has a battery indicator in the status bar of the main screen
(see § 1.4.2.1 Status bar). The battery manager can be controlled via two modes:
1. Default mode: The operator is not required to enter any information, but is informed when the charge level of the
batteries is low:
- no display before this low level is detected
- display of approximately 30 minutes before automatic shutdown of the instrument
2. Advanced mode: This allows precise tracking of battery energy consumption, provided that the necessary data is
correctly entered, including:
- the type of batteries used
- their theoretical capacity
The battery manager assumes that the batteries inserted before data entry are fully charged.
The Battery management menu selects the operating mode:
F1 confirms the information entered, closes the window
and initializes the battery manager with these settings.
F2 edits and confirms entry of the selected item.
F3 cancels an entry or closes the window without resetting
the battery manager.
The Advanced option determines whether or not the advanced
mode is active:
 Pressing F2 edits the value of the item.
 The Up/Down arrows select a value and F2
confirms entry.
Type of batteries: The camera is delivered with low-self-discharge NiMh rechargeable batteries with a capacity of approximately
2500 mAh. These are the default parameters.
If you always use the same set of rechargeable batteries, it may be useful to operate the camera until it
automatically switches off due to low batteries. In this case, the theoretical capacity of the batteries initially
entered is automatically adjusted in accordance with the actual discharge. This new capacity is displayed by
default the next time the menu is displayed.
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1.4.2. Main screen
The screen is divided into 4 zones:
Status bar
Image and palette of colors
Display of measurements
Functions of the F1, F2, and F3 buttons
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1.4.2.1. Status bar
This bar displays the current operating mode of the camera. In normal operation, it contains the following information:
no display
Batteries OK
Batteries discharged
Batteries OK
Batteries low
Batteries discharged
no display
Bluetooth function activated
Bluetooth not activated
Function of the trigger  Aim
Function of the trigger  Freeze
Function of the trigger  Save
Presence of micro SD detected
Absence of micro SD detected
Value of the emissivity, user correction for influencing factors activated
Default correction for influencing factors
Date and time of acquisition of the current image
Continuous acquisition
Acquisition stopped  Image frozen
When an image is recalled, the status bar appears as follows:
no display Batteries OK
Batteries discharged
Batteries OK
Batteries low
Batteries discharged
no display
Bluetooth function activated during creation of the file
Bluetooth not activated during creation of the file
Function of the trigger  Aim, forced when an image is recalled
Recall of infrared image in progress
Recall of visible image in progress
no display The correction of user influence factors is activated
The correction of default influence factors is activated
Recalled file name
1.4.2.2. Image & palette of colors
This part of the Main screen is reserved for display of either the:
 infrared image with the associated palette of colors, or
 visible image, depending on the display which is chosen.
The color palette is used to identify the temperatures of the various colors used on the thermogram. By default, this
temperature/color assignment is done automatically as a function of the minimum and maximum temperatures read in each
image. You can also fix this relation by forcing the minimum and maximum temperatures, thus imposing a "frozen" palette
(see § 2.7 Freezing the colors representing the temperatures).
In automatic mode, the palette is represented as follows:
When the palette is frozen, the minimum and maximum temperatures are shown in red and a padlock appears in the center:
TA
TF
TS
TA
Default management
A
dvanced management
Default management
A
dvanced management
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1.4.2.3. Display of measurements
This area of the Main screen displays measurements of the various cursors, along with the Bluetooth measurements when a
peripheral measurement device is connected and enough space is available on the screen.
Measurement of the point cursor
Bluetooth measurements (only one has been validated for display)
See § 2 Basic operation and § 6.3.7 Displaying Bluetooth measurements on the Main screen.
1.4.2.4. F1, F2, and F3 buttons
The F1, F2, and F3 buttons have different functions depending on the display and camera
operation context.
These functions are identified by the icons displayed in above the buttons:
Opens the menu or re-opens the last menu opened
Closes all open menus
Selects the highlighted item, closes a message, adds the selected character
Closes a menu, cancels an entry
Freezes the image
Restarts continuous acquisition
Saves the current image
Validates the entry in the text editor or the selection in the working directory
Deletes the file or folder selected in the file manager
Opens the file or folder selected in the file manager
Exits from image recall
Information concerning the recalled file
Freezes the color palette
Edits the min or max value of the palette or restores automatic mode
Displays the infrared image
Displays the visible camera image
Plays back the vocal message
Records a new vocal message
Stops playing or recording the vocal message
Searches for new Bluetooth peripherals
Connects all Bluetooth peripherals in the current list
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1.4.3. Displaying menus
Configuration menus are accessed by pressing the F1 button when the icon is displayed. When a menu is displayed, new
functions are assigned to the F1, F2 and F3 buttons.
Select an item in the menu using the arrow buttons. The
selected items appear in yellow.
The F2 button is used either to:
- open the corresponding sub-menu
- (in some cases) modify the selected parameter
The menus form a tree structure which is displayed in the title
of the window.
The F1 button closes all open menus, without action, and
returns to the Main screen.
The F3 button closes the current window, without action
(return to the previous menu, if any, or to the Main screen).
When a parameter is being modified, it appears on a blue
background with the symbol to the left; the possible values
can be scrolled using the Up/Down buttons.
F2 pressed a second time accepts the value.
An item that is displayed as shaded cannot be modified.
1.5. Configuring the Camera
When the camera is first started up, all parameters are initialized to default values. You can modify these settings to meet your
needs. Once these adjustments have been made, they are stored in permanent memory each time the camera is switched off,
and recovered when it is switched back on.
Most of these settings are accessible from the
Main/Parameters/Adjustments menu.
1.5.1. Changing the language of the camera
To change the language in which the menus appear, open the Main/Parameters/Adjustments menu and select the
icon. This
displays the Languages menu. Use the Up and Down buttons to scroll through the available languages, and then highlight the
desired language. Press F2 to save the setting. All menus will now appear in the selected language.
1.5.2. Changing the camera's date and time
The camera's clock is reset from the Main/Parameters/Adjustments menu by selecting the
icon. This displays the Date/Time
menu. This menu opens automatically at start-up if the power supply of the internal clock has been interrupted. It is essential to
update the date and time to identify the records, because date/time information is part of the name for image files stored in the
camera (see § 4.1 Image file naming conventions).
Use the left and right navigation buttons to select parameters to modify. To change a selected setting, press F2 and use the
Up and Down buttons. Then press F2 to save the setting.
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1.5.3. Changing the units for temperature and distance
From the Main/Parameters/Adjustments menu, select to choose the unit in which temperature or distance is displayed:
 temperature is displayed in degrees Fahrenheit (°F) or Celsius (°C)
 distance is displayed in feet (ft) or meters (m)
1.5.4. Changing the function associated with the trigger of the camera
Select the icon from the Main/Parameters/Adjustments menu displays the Trigger menu. This consists of the following
options.
 1. Aim
When selected, the trigger toggles the display from the infrared image to the visible camera image. In addition,
the TA icon is displayed in the status bar at the top of the screen.
When an image is recalled, the trigger is automatically assigned to this function. Upon exit from the recall, the
user-selected function is restored.
 2. Freeze
When selected, a press of the trigger stops the continuous updating of the display and “freezes” the image. Both
images, infrared and visible, are frozen; you can toggle between them by pressing F3. In addition, the TF icon is
displayed in the status bar at the top of the screen.
Pressing the trigger again restarts continuous acquisition.
 3. Save
When selected, a press of the trigger freezes the infrared and visible images, then records them on the micro SD
card (if one is present). In addition, the TS icon is displayed in the status bar at the top of the screen.
Each press entails another save, creating derivative files if acquisition is not restarted in the meantime.
To restart continuous acquisition, press F2 and then press F2 .
1.5.5. Setting the time before automatic shutdown of the camera
To extend its battery life, the camera switches itself off automatically after a period of time. The duration of this period can be set
to between 15 (default) and 60 minutes. To change this setting, select the icon from the Main/Parameters/Adjustments menu,
then use the Up and Down buttons to change settings. When the desired setting is displayed, press F2 .
It is possible to deactivate this function by choosing "None," in which case the camera will switch itself off only when the batteries
are too low to continue operation.
1.5.6. Adjusting the brightness of the screen
You can adjust the screen brightness level to ensure good visibility in varying lighting conditions. By default, the camera is
configured in automatic mode: a luminosity sensor adjusts the lighting level at all times.
To change this, select the icon from the Main/Parameters/Adjustments menu, then use the Up and Down buttons to change
settings. Options are Automatic (the camera automatically adjusts the screen brightness), or a percentage of full screen
brightness (15%, 25%, 50%, 75%, or 100%). When the desired setting is displayed, press F2 .
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1.5.7. Changing the image storage location
To specify the working directory to which images are stored, select the icon from the Main/Files menu.
We recommend creating a directory in the root of the SD card to store images. For FAT16 formatting, if long
names are used, only 256 entries are available in the root (any combination of 256 files and directories). The
card will therefore very quickly be considered full, even though its full capacity has not been reached.
1.5.8. Changing the colors used in the images
The camera has several palettes of colors which you can choose by selecting the icon in the Main/Display menu.
The working directory must be located on the micro SD card,
which must be present in the device. By default this is
"1:/images."
We suggest organizing records into several directories and
limiting the number of files in each. This will reduce the time
needed to display the content of each directory.
The current directory is chosen as working directory after F1
is pressed to close the window.
Pressing F2 opens the selected item of the list. Thus, to
move back up the tree to the previous level, open the " ..."
item of the list, and to create a new directory, open the "
New..." item.
The Create menu is used to enter the directory name; the
number of characters is limited to 20:
Select a letter using the arrows, and add it with F2 . When
the directory name is complete, save it by pressing F1 .
Note: The
button can be used to insert the current date
and time.
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2. BASIC OPERATION
By default, no measurement cursor is selected (the icon
in the Main/Display/Cursor menu is highlighted), and the
camera produces only infrared images.
2.1. Estimating the temperature of an object without a cursor
It is possible to evaluate a temperature from the color palette. The distribution of the colors between the minimum and maximum
temperatures displayed at the ends of the palette is linear, so simply interpolating based on the position of the color in the palette
provides an estimate of the temperature.
Example: If the color of the zone of which the temperature is to be determined lies at the center of the palette, the temperature
corresponding to this color will be approximately Tmin + (Tmax – Tmin) * ½ = (Tmin + Tmax )/ 2, in other words the mean
of the minimum and maximum temperatures of the palette; if the color lies in the 1st quartile, Tmin + (Tmax - Tmin) * ¼
etc.
2.2. Locating the cold and hot spots in the image
In the Main/Display/Cursor menu, choose Min/Max. Two cursors now appear on the screen; one showing the
location of the warmest spot on the image, the other showing the coldest spot. These minimum and maximum
temperatures are also displayed on the screen.
2.3. Measuring the temperature of a point in the image
In the Main/Display/Cursor menu, choose Point. A cursor appears; the temperature at the spot of the cursor is also
displayed. You can move the cursor with the directional buttons.
2.4. Determining the characteristics of a zone on the screen
In the Main/Display/Cursor menu, choose Square. A square appears on the screen, with the maximum and minimum
temperatures detected within the square displayed on the screen. Use the directional buttons to move the square on
the screen. You can also resize the square by pressing the Up and Left buttons simultaneously to reduce the size, or
Down and Right to increase the size.
2.5. Displaying the temperature profile of a line in the image
In the Main/Display/Cursor menu, choose Profile.This displays the temperature profile of the horizontal line defined
by the cursor on the screen. The profile is displayed as a graph in the lower part of the screen. This cursor also
identifies a point on this line (Left/Right buttons) and indicates its temperature.
2.6. Displaying points at the same temperature in the image
In the Main/Display/Cursor menu, choose Isotherm. This displays points that fall within the same temperature range
in the same color. When you choose this icon, you are prompted to choose the color (green, red, or brown) to display
the points. You are then prompted to enter the reference temperature (via the Up and Down buttons) and tolerance
size (via Left and Right). All points in the image whose temperature falls within this defined range will be displayed in
the specified color.
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2.7. Freezing the colors representing the temperatures
By default, assignment of colors is automatic and is recalculated for each image as a function of the temperatures of the hot and
cold spots in the image. As a result, a given color does not necessarily represent the same temperature from one image to
another, if the hot and/or cold spots change.
If you want the colors always to represent the same temperatures, the palette must be “frozen” (the minimum and maximum
temperatures of the palette remain constant, irrespective of the hot and cold spot temperatures in the image).
There are two ways to freeze the palette:
 Press the F3 button when its function is displayed as .
 Go to the Main/Parameters menu and select the icon. Then select the option Manual.
When the palette is frozen, a red padlock appears on the palette; the minimum and maximum values are also displayed in red.
When the mode is entered, the minimum changes to edit mode for a few seconds (on a blue ground with the symbol) so that
its value can be changed via the Up/Down buttons.
To modify the maximum, press the Right button when minimum is in edit mode. This highlights the maximum value, which remains
in edit mode for several seconds. Use the Up/Down buttons to change the value. If there is no action on the keypad for a few
seconds, edit mode disappears.
To re-edit a value, another press of the F3 button with the function displayed (or selecting in the
Main/Parameters menu) returns the minimum value to edit mode.
To exit from the frozen palette mode:
 If not in edit mode, press F3 twice while its icon is .
 In edit mode, press F3 once while its icon is .
 Alternately, you can go to the Main/Parameters menu and select the icon. Then select the option Automatic.
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3. ADVANCED OPERATION
3.1. Good practices
 Make the measurement in the central zone of the screen.
 Aim head on, not at an angle.
 Measure scenes that are as large as possible. Avoid point-like scenes.
 If the ambient temperature changes significantly, allow the camera to stabilize.
 If batteries have warmed up during charging, wait for them to cool down to ambient before putting them back in the
camera.
3.2. Compensating for environmental factors
The flux received by the camera can be influenced by:
 emissivity of the target object observed
 temperature of the environment
 distance to the target
 relative humidity of the air
Emissivity is the most crucial factor.
The higher the relative humidity and the greater the distance, the larger the influence of the relative humidity will be.
The relative humidity, the ambient temperature, and the distance are likely to vary more significantly outdoors.
The camera default settings may not be suitable for the present environmental factors, resulting in significant measurement
errors. In these situations, we recommend adjusting the camera settings that compensate for these factors. These are set
through the Main/Target menu (see below). Bear in mind that incorrect settings can produce inaccurate results that may be
less reliable than using default settings.
3.2.1. Using default compensation settings
The Target menu lists default compensation settings for target
emissivity and distance, as well as for ambient humidity and
temperature.
If the distance and emissivity of the object being observed and
current environmental factors closely match these settings, the
parameters cannot be customized and are displayed shaded in
the Main/Target menu. Also, the value of the emissivity in the
status bar is replaced by the symbol.
In this situation, the default compensation settings will be used
for all calculations performed by the camera.
In addition, you can use default settings for applications where
high precision measurements are not required (for example
detecting a thermal bridge or temperature difference).
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3.2.2. Using custom compensation settings
This calculation mode is necessary when the measurement conditions are significantly different from the calibration conditions
(emissivity, relative humidity) and the application requires high accuracy. To use custom settings, select Influence in the
Main/Target menu and change the setting to User.
When user compensation is selected, these parameters can
be adjusted:
 Emissivity: Choose from a list of materials or enter a
value. There are three “user” values that can be
modified (press the Right button to enter the value,
the Up/Down buttons to change it, and F2 to
save). Once it is validated the menu closes and the
value of the emissivity appears in the status bar.
Allowable emissivity values are 1.00 to 0.05.
 Distance: Can be set from 0.5 to 999.9m (1.6 to
3280’). Default is 2m (6.6’).
 Humidity: Can be set from 0 to 100%. Default is
55%.
 Temperature: Can be set from -15° to +55°C (5° to
+132°F). Default is 25°C (77°F).
3.3. Using a tripod
The camera can be mounted to a tripod equipped with a standard ¼-inch mounting head. This allows for more photographic
stability than can usually be achieved via hand-held photography.
Attach the camera to the tripod by screwing the tripod mounting screw into the threaded receptacle in the battery compartment
cover on the base of the camera handle.
Receptacle for ¼" tripod mounting screw
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4. SAVING AND RECALLING IMAGES
If the micro SD memory card is inserted into the camera, you can store and later recall the current image and measurements
displayed.
4.1. Image file naming conventions
The camera has two objectives, one for infrared images and the other for visible light images. When an image is saved, two files
are created. The infrared image is saved using the filename convention yyyymmdd_hhmmss_IR.BMP, where
“yyyymmdd_hhmmss” is the date and time the image was acquired. The visible image is saved using the same naming
convention, but without the “IR” designation. This naming convention requires accurate date/time settings (see § 1.5.2 Changing
the camera's date and time).
An audio file can also be included with the two images. This allows you to record a description and other information relevant to
the images. This requires a Bluetooth headset to be connected to the camera. (See § 4.4 Adding a voice recording.) This file will
be given the same name as the associated IR image, with the extension .WAV instead of .BMP (e.g.
yyyymmdd_hhmmss_IR.WAV).
When the image is frozen, it is possible to make several backups of the same image (addition of cursors, change of palette, etc.).
These are referred to as "derived" images. To differentiate these infrared images, which have the same date of acquisition, an
index letter from "a" to "z" is added after the date (e.g. 20141020_131254a_IR.BMP). When all indexes from "a" to "z" have been
used, the index "z" is re-used and the file that already bears this name is overwritten by the new one.
Note that the visible image does not change and so is not duplicated. A single visible image can therefore be associated with
several infrared images (when erasing visible images other than via the camera's file manager, take care not to create “orphan” IR
images). Here again it is possible to add a vocal message, which will have the same name as the IR image (e.g.
20141020_131254a_IR.WAV).
4.2. Saving an image
You can save an image when a micro SD memory card is inserted into the camera.
In normal operation  If the trigger function setting is Aim or Freeze (see § 1.5.4. Changing the function
associated with the camera's trigger), you must first to stop acquisition. If this has not
already been done, press F2 to freeze the image. Either F2 or F3 then displays
the function, press the appropriate button to save the current image in the
working directory.
If the trigger function is set to Save, each press freezes the image (if it is not already
frozen) and saves it in memory.
If acquisition is stopped, each additional press of the trigger creates a new "derived"
image (same date of acquisition), differentiated by the addition to its name of an index
(see § 4.1 Image file naming conventions).
If an image is recalled 
It is possible to create a new derived image from a recalled image by selecting the
icon in the Recall menu. A new index will be used, since the date of acquisition is
unchanged (see § 4.1 Image file naming conventions).
When the file has been saved to the SD card, a message displays the name of the file
that has just been created.
If a Bluetooth headset is connected (see § 6.2.2 Connecting a headset) a second
message prompts you to add a voice recording to this file.
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Depending on the situation, 1, 2, or 3 files are saved:
1 file For a derived image (same date of acquisition) with no headset connected (the visible image already exists; only the
IR file is created).
2 files For the creation of an image from a new acquisition (new date of acquisition) with no headset connected
(the IR and visible image files are created).
3 files For the creation of an image from a new acquisition with a voice file.
4.3. Image file directories
Images are saved in the working directory defined in the Main/Files/Directory menu (see § 1.5.7 Changing the image storage
location).
The working directory must be located on the micro SD card installed in the camera. If the card is missing, an error message
appears.
4.4. Adding a voice recording
You can create a voice recording to be associated with the image. This requires a Bluetooth headset to be connected to the
camera (see § 6.2.2 Connecting a headset).
The voice recording can be added only after you have created the image, after the message appears displaying the name of the
file created. If the headset is connected, another message prompts you to record a voice message (see above). The recording
can be up to 30 seconds long.
The Record vocal screen uses the F1, F2 and F3 buttons,
which perform the following functions:
 : start recording (or adding another message)
 : stop recording or playback
 : play back the message
 : close the window (without creating a file
if the button is pressed before or during the recording)
4.5. Changing the voice recording for an existing image
The only way to change a voice recording (apart from the Record vocal menu) is to create a new file and delete the old one.
First, recall the associated image (see § 4.6. Recalling an
image). Then select the icon in the Recall menu. A new
derived image (with a new index letter "a" to "z") is created.
If the headset is connected, a message prompts you to create
an associated voice recording.
Create the new recording (see above) and erase the old image
(see § 4.8 Deleting an image).
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