Caiman NITEHOG TIR-M50 User manual

EN 11-2019 rev. 1.0
MANUAL
NITEHOG TIR-M50 Caiman
Multifunctional Thermal Imager

ATTENTION!ATTENTION!
The proper usage of the device is important for safe exploita-
on! Therefore read carefully the present manual!
If the device was le in storage for a longer period of me, be-
fore exploitaon check its funconality.
Disassembling of the device is prohibited, except in authorized
repair centers.
The external opcal surfaces should be clean at all mes. Touch-
ing the opcal surfaces with bare hands is not recommended.
Sand and sea water can damage the opcal coangs!
Do not point the device directly at the sun!
Image performance is dependent on scenery and atmosphere
condions. Contrast in the same image may vary as a funcon
of the me of day due to the eect of the sun. For example, at
sunset objects will have absorbed dierent levels of heat result-
ing in greater temperature dierences and beer contrast.
When le in storage for a longer period of me, baeries have
to be removed and stored in polyethylene bags to prevent con-
tact with metal. It is recommended to recharge the baeries ev-
ery two to three months.v
When carrying or transporng the device, put the protecve
lens cap!
Condensaon can cause fogging of the opcal surfaces! Con-
densaon occurs when the temperature or humidity changes as
follows:
• When moving the device from cold to warm place or vice
versa;
• In places with high humidity.
When equalizing the temperature of the device with the envi-
ronmental, the condensaon disappears. Use the towel to re-
move moisture.
Clean the lens surfaces with the Lens Pen® or with the napkin!
LEGAL NOTICE
Before aaching to weapons, check the regional legal regulaons in the area of
applicaon. The aachment to a weapon is always the sole responsibility of the
user.
2 3

APPEARANCEAPPEARANCE
VIDEO OUT/
SYSTEM CABLE
DIGITAL
ZOOM
NUC (NON-UNIFORMITY
CORRECTION)
BRIGHTNESS / POLARITY
SWITCH ON/OFF
FOCUS RING BATTERY COMPARTMENT
CAP
TWIST-OFF
THREAD COVER FOCUS
LEVER
4 5

CONTROLSCONTROLS
NOTE
The integrated funcons of the device exceed the number of controls. Some features
are triggered by a combinaon of buons or temporary pressing and holding the
buons.
ATTENTION!
Turn o the device aer usage, otherwise you can permanently damage the bat-
teries!
6 7
ATTENTION!
The main operaons are performed through the buons , and .
NUC (NON-UNIFORMITY CORRECTION)NUC (NON-UNIFORMITY CORRECTION)
Each pixel of the matrix is suscepble to generate a signal, dierent from the signals of
other elements under the same condions of observaon. This non-uniformity leads
to the appearance of a geometric noise in the picture. This eect is especially shown
in the uncooled systems. Therefore it is necessary to perform a non-uniformity cor-
recon periodically, during operaon with the thermal device. The NUC algorithm can
be acvated manually or automacally (through specied intervals) by pressing
buon. Pressing and holding the buon (more than 2 seconds) deacvates the Auto
NUC funcon. In that case NUC will be carried out manually only when pressing .
The acvated automac modus will be shown in the le upper corner of the image.
DIGITAL ZOOMDIGITAL ZOOM
LUMINANCE / POLARITYLUMINANCE / POLARITY
The device has four xed values of the display luminance, marked with the following
icons: , , and . With prolonged use of the device in low lighng condi-
ons the lower brightness levels are recommended. This results in opmal energy con-
sumpon and greater observaon comfort. Press and hold the buon for more
than 2 seconds to invert the image, i.e. warm objects appear in dark tones, cold - in
white and vice versa.
Press the buon to acvate the digital zoom x2, press twice - x4.
The current digital zoom is shown at the top-right corner of the screen.
NOTE
The digital zoom reduces the quality of the image!
By pressing and holding the buon (more than 2 sec) a snapshot of the image is
taken and stored in the memory of the device. An indicaon (saved) is displayed.

50m
MENUMENU
Besides the main and secondary funcons, they serve also for entering and navigaon
through the menu. To acvate the menu, press the and buons simultane-
ously. Then use the and buon to move the cursor, and buon to select
the funcon.
AppearanceAppearance
NavigaonNavigaon
Range Finder
Sengs Language
English/Deutsch
Image Brightness NUC Type
Internal/External
Mode Monocular Weather Type
Hot/Normal/Wet
Standby
On/O
Exit Clip-On Filters
Smooth/Middle/Sharp Alignment
Palee
Rainbow/Rain/Isotherm
Black Hot/White Hot
Back
Snapshot
View/Erase All
Back
RF Range FinderRF Range Finder
SengsSengs
Please select the preferred language, using this
section. The default language is English.
Language
Language
NUC Type
Standby
Back
Stadiametric RF funcon allows measuring of approx. distance to a known object.
In order to do that select the object type you are observing. Align the marker so that
the base of the observed object ts the boom line and and the upper line ts the top
of the object (see the picture below). Once the object is ed in the marker borders
(up - down arrows), on the le side of the screen the approx. distance to the object is
displayed.
To exit the RF mode press the OK buon.
The following measurements have
been set to determine the distance:
deer (Cervus elaphus) - 1.40 m
wild boar - 0.85 m
deer (Capreolus capreolus) - 0.70 m
fox - 0.40 m
8 9
ATTENTION!
The buons , and are dual purpose buons!

In that case the mechanism will be performed by the user, who must cover the objec-
ve lens, before pressing . In order to cover the objecve lens use the hand or the
protecve cap, otherwise the image of the display will resemble the negave eect of
the observed scene.
Upon power on, the device automacally performs two consecuve NUC-cycles. Dur-
ing this period of me it is desirable to cover the objecve lens with the protecve cap
or with the hand. These acons are necessary only when the External shuer mode
is acvated.
The non-uniformity correcon (NUC) of the signal is a complex electronic process, which
requires a uniform temperature body in front of the detector or the objecve lens.
For the convenience of the user, the device has a built-in motorized mechanism for per-
forming NUC procedure by automacally dropping a miniature shuer plate in front
of the detector. This process takes less than a second and is accompanied by acousc
noise resembling a click.
In situaons requiring maximum suppression of the
external noise, the device can operate in External
shuer mode, which isolates the operaon of the
motorized mechanism.
When the External shuer mode is acvated, the
motorized mechanism of the shuer is blocked, Auto
NUC funcon is deacvated.
Selecng the NUC type changes the NUC mode be-
tween Internal and External.
NUC Type
Language
NUC Type
Standby
Back
When Standby funcon is on, the device will be
powered on every me, when the lt angle is less
than 45° to both sides (g. 1) and 60° upwards
and downwards (g. 2). As soon as these condi-
ons are not fullled, the device will automa-
cally switch to standby mode.
OFF
ON
60°
OFF
ON
60°
45°
45°
OFFOFF
ON
f.1 f.2
Standby
Language
NUC Type
Standby
Back
With Alignment funconyou can precisely align
the opal axises of the day sight and the clip-on
atachment. The manufacturing process of the
device ensures the shoong precision tolerance
within 3 to 5 cm at 100 m. By this Alignment
funcon you can achieve much beer results in
the accuracy.
Alignment is made electronically by pressing the and buons, while being in
the menu Sengs > Alignment > Le/Right, Up/Down (in clip-on mode only). In posi-
on X: 0, Y: 0 the image is in center of the screen of the device. By using the alignment
funconuser moves the image in all direcons.
If the impact point is le of the target, the image should be moved to the right, increas-
ing the value of X, and vice versa.
The adjustment is limited to 10 steps in each direcon. Each step corresponds to ap-
prox. 3 cm at 100 m. If the need for alignment exceeds the limit of 3 steps, please
contact your vendor.
Alignment
Language
NUC Type
Standby
Alignment
Back
10 11

Selecng Brightness gives the opportunity to set your
own user-dened level of image brightness.
Brightness is not related with the Luminance adjust-
ment performed by the buon !
IMAGEIMAGE
Image quality is strongly depending from weather
condions. When the weather is wet (fog, rain,etc.)
the dynamic range of the scene is reduced, causing
low contrast performance of the device. We devel-
oped a special lter, that enhance the details in the
low contrast image by wet weather condions (incl.
fog and haze). You may choose between 3 lters -
Hot,Normal and Wet.
Brightness
Weather Type
Brightness
Weather Type
Filters
Palette
Snapshot
Back
Brightness
Weather Type
Filters
Palette
Snapshot
Back
Filters
Brightness
Weather Type
Filters
Palette
Snapshot
Back
12 13
NOTE
In good weather condions please select In good weather condions please select NormalNormal. Otherwise the image will be . Otherwise the image will be
noisy.noisy.
This type of lters aect the object edges. You may
choose between 3 lters - Smooth, Middle and
Sharp.Default and recommended value is Middle.
Take a few moments to feel the dierence between
lters.

A variety of color palees can be used. In dierent
palee modes the object’s temperature is reected
in the coloring.
White hot/ black hot/isotherm/rainbow/rain/
Isotherm palee
The objects above the threshold temperature are
colored in dierent shades of red.
The temperature threshold can be set (increase/
decrease) by the temperature scale shown.
Palee
Brightness
Weather Type
Filters
Palette
Snapshot
Back
Increasing the threshold value ignores the colorizaon of the colder objects.
This opon is highly dependent from the distance to the object. It is highly recom-
mended to try dierent values of the threshold in the daily usage to nd the right
value for your personal preference.
° C
INCREASE
Snapshot funcon is performed by pressing and
holding the buon. Snapshots are stored in
the internal memory of the device. You can store
up to 20 images. You can review the images from
the Snapshot menu.
Images can be downloaded only via USB cable and
the provided GUI.
Erase All subfuncon deletes all images from inter-
nal memory of device. The deleon process takes
1 min.
Snapshot
Brightness
Weather Type
Filters
Palette
Snapshot
Back
14 15

Zoom inactive
MODE Monocular/Clip-onMODE Monocular/Clip-on
To use TIR-50M as a clip-on device select Mode>Clip-on from the menu.
All important On-screen elements are displayed in the central area of the image. The
reason is the reduced eld of view of the daysight by higher magnicaons.
The digital zoom is locked. The buon calls up the Infobox, which gives the infor-
maon about the current sengs of the device.
Reaching a low baery state the device gives a warning in the top le corner of the
central area. There is a possibility to ignore it by pressing the buon.
Isotherm
NOTE
It is recommended to use up to 5x magnicaon of the primary opcal unit in It is recommended to use up to 5x magnicaon of the primary opcal unit in
order to keep the menu and all submenus visible in clip-on mode.order to keep the menu and all submenus visible in clip-on mode.
TIR-M50 can be powered through two pieces of RCR123A recharge-
able baeries.
1. Turn counterclockwise to unlock the locking screw on the lid of the baery compart-
ment (located on the le side of the device);
2. Put the baeries in the compartment, minding the correct polarity as shown inside
the compartment!
3. To close the baery compartment hermecally, press rmly the lid compartment
and rotate clockwise unl the mechanism locks.
example
OPERATION WITH THE BATTERIESOPERATION WITH THE BATTERIES
16 17

baery is fully charged
baery has 75% residual charge
baery has 50% residual charge
baery has 25% residual charge
baery is fully discharged
The baery levels are as follows:
18 19
USING LITHIUM CELLSUSING LITHIUM CELLS
The device is capable of operang with two types of baeries - lithium and Li-Ion.
The Li-Ion baeries are automacally recognized by the device.
When using lithium cells, you have to “inform” the device by following these steps:
1 Make sure, that the device is in “power o ” state;
2 Insert the two lithium baeries in the device (following the upper instrucons);
3 Press and hold (do not release it);
4 Power on the device (with pressed );
5 Hold unl the display lights up;
6 Release .
NOTE
When intending using only lithium cells, these steps should be performed only one me!
Use the correct size and type of baery, specied in the technical descripon and
user manual.
Keep baery contact surfaces and baery compartment contacts clean. For this pur-
pose you can use a clean pencil rubber or a rough cloth each me you replace baer-
ies.
Remove the baeries from the device when it is le in storage for a longer period
of me.
Make sure that you insert baeries into your device properly (with the + (plus) and
– (minus) in the correct posion).
Store baeries in a dry place at normal room temperature.
Extreme temperatures reduce baery performance.
Do not aempt to recharge a baery, unless the baery specically is marked “re-
chargeable.”
Do not dump-out used lithium baeries! They need to be kept into appropriate
places.
Tips for proper baery care and useTips for proper baery care and use