AGM COBRA Series User manual

USER MANUAL
COBRA
THERMAL IMAGING BI-OCULAR

© 2019 AGM Global Vision. All rights reserved worldwide.
This documentation is subject to change without notice.
No parts of this manual, in whole or in part, may be copied, photocopied, translated, or
transmitted by any electronic medium or in machine-readable form without the prior written
permission of AGM Global Vision.
If you have questions that are not covered in this manual, or need service, contact AGM Global
Vision customer support for additional information prior to returning a product.
AGM Global Vision
173 West Main Street
PO Box 962
Springerville, AZ 85938
Tel. [phone]
Fax [phone]
[email protected]
www.agmglobalvision.com
EXPORT INFORMATION
Buyer acknowledges that all products supplied by AGM Global Vision are subject to U.S. export control laws,
including, but not limited to, the Export Administration Regulations, the International Economic Emergency
Powers Act, and various U.S. embargoes and sanctions. AGM Global Vision products may not be exported,
re-exported, or transferred contrary to U.S. export control laws. In particular, AGM Global Vision products may
not be exported, re-exported, or transferred to prohibited countries, individuals, organizations, or entities,
including but not limited to those individuals and entities listed on the List of Specially Designated Nationals
and Blocked Persons administered or maintained by the U.S. Office of Foreign Assets Control (“OFAC”), the
various lists maintained by the Bureau of Industry and Security of the Department of Commerce, and the U.S.
State Department and Buyer represents and warrants that neither Buyer nor any of its officers, directors, or
employees are on such lists. Distribution or resale by Buyer to such countries, individuals, organizations, or
entities is expressly prohibited. Buyer has and will maintain a positive process to ensure compliance with this
Section.
2019.07. 29

3Cobra USER MANUAL
LIST OF CONTENTS
TITLE PAGE
Safety Summary 4
SECTION 1. GENERAL INFORMATION 6
1.1 System Description 6
1.2 Operation Principles 6
1.3 Standard and Optional Equipment 8
SECTION 2. OPERATING INSTRUCTIONS 11
2.1 Controls and Indicators 11
2.2 Assembly and Preparation for Use 13
2.3 Operating Procedures 21
2.4 Operation Under Unusual Conditions 28
SECTION 3. MAINTENANCE AND TROUBLESHOOTING 29
3.1 Maintenance 29
3.2 Troubleshooting 30
SECTION 4. WARRANTY INFORMATION 32
4.1 Warranty Information and Registration 32
SECTION 5. SPECIFICATIONS 34
APPENDIX 36
A. Spare Parts List 36

4AGM Global Vision
SAFETY SUMMARY
• Read and follow all instructions
• Read all warnings
• Only use the attachments/accessories specified by the manufacturer
• All service must be provided by the manufacturer
WARNING:
This product contains natural rubber latex, which may cause allergic reactions! The FDA has
reported an increase in the number of deaths associated with sensitivity to natural latex proteins.
If you are allergic to latex, learn which products contain it and strictly avoid exposure to those
products.
CAUTION:
• Do not dismantle the equipment.
• Keep the equipment clean. Protect it from moisture, dramatic temperature drops, and
electrical shocks.
• DO NOT force the equipment controls past their stopping points.
• DO NOT leave the equipment activated during breaks in operation.
• DO NOT store the equipment with the batteries installed.
• Thoroughly clean and dry each item before placing them into the storage case.
CAUTION:
To prevent thermal damage to the equipment, never point it, either on or off, directly at the sun
or any other source of high intensity light that the unprotected human eye cannot tolerate (such
as a welding arc). To prevent inadvertent exposure to these types of sources, never leave the
equipment with the objective lens cap off.
NOTES:
• To avoid losing unsaved data, DO NOT remove the batteries or disconnect the external power
source while the Cobra is on.
• Inadvertent sun damage is not considered a defect in material or workmanship, and is therefore
not covered in the product warranty.

5Cobra USER MANUAL
1 GENERAL INFORMATION
1.1 SYSTEM DESCRIPTION
The Cobra consists of next primary parts: a body, a lens assembly and an eyepiece assembly.
Figure 1-1 represents two versions of the equipment: one including a 50 mm focal length objective
lens, and the other with a 75 mm focal length objective lens.
The Cobra is a thermosensitive device. It senses the differences in heat emitted by objects in its
field of view, and converts the received temperature pattern into a viewable image that represents
the scene in contrasting black & white or color patterns, depending on the user’s selected image
palette.
NOTE:
It is important that the Cobra sensor receive sufficient thermal contrast between the target and
background area, or between the different parts of a target. For example, the vast temperature
contrast between the snow and any heat target (such as an animal) makes it very easy to
distinguish the target.
The main optical-electronic components of the Cobra include: an objective Germanium thermal
lens, two eyepieces, a thermal-imaging camera, a display, a control card, and a button control
panel.
The Cobra is equipped with manual eyepiece and objective lens focusing.
To accommodate individual user needs, the Cobra has a variety of digitally controlled options
such as:
• Display Brightness
• Digital Zoom
• Palette Color Selection
• User-Controlled Manual Non-Uniformity Correction/ Flat-Field Correction (UCMNUC/ FFC)
• Imaging Enhancements
• Custom Settings
FIGURE 2-1. COBRA THERMAL IMAGING BI-OCULAR
COBRA TB75
COBRA TB50

6AGM Global Vision
All Cobra devices are based on FLIR Tau 2 cameras that allow for improvements in overall image
quality in a wide range of dynamic thermal environments. The Cobra has employed special user-
adjustable imaging tools that include:
• Active Contrast Enhancement (ACE) – a digital “Contrast” correction that allows for smart
scene optimization based on dynamic adjustments, where a variety of contrast levels occur
depending on relative scene temperature.
• Second Generation Digital Detail Enhancement (DDE) – a “Sharpness” correction that
digitally enhances the picture, significantly sharpens edges, and further reduces image noise.
• Smart Scene Optimization (SSO) – a fine-tuning computational correction that significantly
improves overall visual acuity for targets that have thermal signatures similar to the surrounding
background.
• Information-Based Histogram Equalization (IBHEQ) – a “Sky/Sea” enhancement –
information-based environment dependent algorithm that automatically adjusts camera gain and
excludes pixels determined to not contain critical information. Specifically helpful in scenes with
great expanses of visible sky or water.
• User-Controlled Manual Non-Uniformity Correction/ Flat-Field Correction (UCMNUC/ FFC).
There is a mechanical shutter between the camera sensor and the lens. This shutter is used to
perform a non-uniformity correction (NUC), also known as flat-field correction (FFC). During FFC,
the shutter presents a uniform temperature source to each detector element in the array. While
imaging the flat-field source, the camera updates the offset correction coefficients, resulting in
a more uniform image after the process is complete. All Cobra models allow for user to manually
trigger or interrupt scheduled UCMNUC/ FFC function.
• Silent Shutterless NUC™ (SSN) – In addition to User-Controlled Manual NUC/ FFC, all Cobra
models employ a digital, supplemental, non-mechanical flat-field correction that extends periods
between mechanical shutter events and further reduces image noise. SSN is an always ON
enhancement.
Information on the current operating state (battery status, active function in the display etc.) is
continuously displayed, making field operation of the Cobra simple and convenient.
Manufactured for exceptional durability, the Cobra has a lightweight and robust aluminum body.
A side Picatinny/ Weaver rail allows for the installation of an optional Digital Video Recorder,
extended battery pack, or other equipment.
A standard NTSC/PAL video input/ output connector enables an external video display (monitor/
TV) or video recorder to be connected to the Cobra. An external 6VDC/600mA power source can
also be connected to the Cobra.
The Cobra is powered by two CR123A (2×3V) batteries.
Figure 1-2 shows the Cobra. The ITEM NO. column of Table 2-1 indicates the number used to
identify items in Figure 1-2.
NOTE:
Here and below, the example used is the Cobra with a 50mm lens.

7Cobra USER MANUAL
TABLE 1-1. SYSTEM DESCRIPTION
ITEM DESCRIPTION ITEM DESCRIPTION
1 Objective Lens Cap 8 Eyepiece
2 Objective Lens 9 Battery Cap
3 Objective Focus Ring 10 Mini USB Connector with a Cap
4Body 11 Universal Connector with a Cap
5Button Control Panel 12 Operation Switch
6Eyepiece Focus Ring 13 Side Picatinny/Weaver Rail
7Eyecup 14 Tripod Socket
1.2 STANDARD COMPONENTS
The Cobra standard components are shown in Figure 1-3 and listed in Table 1-2.
The ITEM NO. column indicates the number used to identify items in Figure 1-3.
FIGURE 1-2. COBRA THERMAL IMAGING BI-OCULAR. SYSTEM DESCRIPTION
8
9
1
2
3
5
4
6 7
11
10
12 13
14
FIGURE 1-3. STANDARD COMPONENTS
1
2
3
10
11
9
46
5
78

8AGM Global Vision
TABLE 1-2. STANDARD COMPONENTS
ITEM NO. DESCRIPTION QUANTITY
1 Cobra Thermal Imaging Bi-Ocular 1
2 Objective Lens Cap 1
3Eyecup 2
4Battery Cassette 2
5CR123A Lithium Battery 2
6 Advanced Wireless Remote Control (AWREC) 1
7 Picatinny Adapter for Advanced Wireless Remote Control 1
8Video Cable 1
9Operation and Maintenance Manual 1
10 Carrying Case 1
11 Neck Starp 1
1.3 OPTIONAL EQUIPMENT
Optional items are shown in Figure 2-4 and listed in Table 1-3.
The ITEM NO. column indicates the number used to identify items in Figure 2-4.
The PART NO. column indicates the primary number used by the manufacturer, to identify an item.
TABLE 1-3. OPTIONAL EQUIPMENT
ITEM NO. DESCRIPTION PART NO.
1 AGM WiFi Attachment 6305WIF1
2 AGM HD Recorder 6305HDR1
3 AGM Extended Battery Pack 6308EXB1
4 Professional Titanium Tripod with a Grip 6606TTR1
5Hard Case for Storage/Transportation 6610HCS1
FIGURE 2-4. OPTIONAL EQUIPMENT
21 53
4

9Cobra USER MANUAL
1.4 KEY FEATURES
• High-performance thermal imaging camera
• Lightweight and robust design
• Easy to operate
• Manually adjustable eyepiece and objective lens
• Real-time display
• Digitally controlled features:
• Palette
• Enhancement
• Settings
• Display Brightness
• Electronic Magnification
• User-Controlled Manual Non-Uniformity Correction/ Flat-Field Correction (UCMNUC/
FFC)
• Current operational state information display (battery status, active profile, palette setting)
• Wireless remote control
• Analog video input and output (NTSC/PAL)
• Powered by two standard CR123A batteries
• Power input capability
• Digital video recorder (optional)
• Serviceability under severe conditions
• Filled with dry nitrogen to prevent internal fogging
• Limited 3-year warranty

10 AGM Global Vision
2 OPERATING INSTRUCTIONS
2.1 INSTALLATION AND MOUNTING
2.1.1 BAT TERY INSTALLATION
CAUTION:
Verify that the equipment is OFF before installing the batteries.
To install two CR123A batteries (refer to Figure 2-1):
1. Unscrew the battery cap (A).
2. Remove the battery cassette (B).
3. Insert the batteries (C) into the cassette. Align the polarity symbols on the batteries with the
polarity symbols on the cassette.
4. Insert the cassette with installed batteries.
5. Replace the battery cap.
2.1.2 FASTENING AN ADVANCED WIRELESS REMOTE CONTROL
Using the supplied Velcro tape (A, Figure 2-2), fasten the remote control (B) to an easily accessible
place.
You can use the Picatinny adapter for the Advanced Wireless Remote (C) for mounting the remote
control to Picatinny or Weaver rail. Install the adapter onto the rail (D). Insert the remote control
into the adapter.
FIGURE 2-1. BATTERY INSTALLATION
A
B
C

11Cobra USER MANUAL
2.1.3 INSTALLING ADDITIONAL EQUIPMENT
Use the side Picatinny/ Weaver rail to install any additional equipment, such as the Digital Video
Recorder or the Extended Battery Pack.
2.1.4 CONNECTING AN ADDITIONAL EQUIPMENT
CAUTION:
Turn off the Cobra before you begin connecting/disconnecting any external equipment and
before removing the batteries.
Remove the connector’s protective cap.
Connect the cable of Digital Video Recorder or the Extended Battery Pack to the Cobra connector.
Use plug A (Figure 2-4) of the video cable to connect an external video recorder/ monitor/ TV to the
Cobra. Connect plug C of the video cable to the Cobra connector.
Use plug B of the video cable to connect an external power source (6VDC/ 600mA) to the Cobra.
Connect plug C of the video cable to the Cobra connector.
FIGURE 2-4. VIDEO CABLE
A B
C
FIGURE 2-2. ADVANCED WIRELESS REMOTE CONTROL
A
B
B
C
D
FIGURE 2-3. DIGITAL RECORDER INSTALLATION

12 AGM Global Vision
NOTE:
The external power supply must have a standard OD double-pole socket with a positive center
contact.
CAUTION:
After removing the cable, replace the protective cap over the connector.
2.1.5 INSTALLING THE COBRA ON A TRIPOD
To mount the Cobra to a tripod, screw the tripod into the 1/4’’ threaded socket located on the
bottom of the Cobra.
CAUTION:
The unit may be badly damaged if the tripod collapses or falls over. Remove the unit from the
tripod if it is not within your reach.
2.2 CONTROLS AND DISPLAY INDICATIONS
2.2.1 CONTROLS
CAUTION:
DO NOT force the equipment controls past their stopping points.
The Cobra controls are shown in Figures 3-6 and 3-7, and are defined in Tables 3-1 and 3-2. The
ITEM NO. columns indicate the numbers used to identify items in the figures.
NOTE:
Various display symbols indicating the current operating state of the Cobra can be displayed
permanently, may appear momentarily, or can be set to appear only when a certain function is
activated.
FIGURE 2-5. CONTROLS
12
34
5

13Cobra USER MANUAL
TABLE 2-1. CONTROLS AND INDICATORS
ITEM CONTROL/INDICATOR FUNCTION
1Eyepiece Focus Ring Adjusts the eyepiece diopter. The total diopter adjustment range
is covered with 2 turns of the ring.
2Operation Switch Activates the Cobra when turned to ON.
Activates Standby mode when turned to STB.
Deactivates the Cobra when turned to OFF.
3 Control Panel
Buttons
Configures operational settings. See Table 3-2 for button
functions.
4 Objective Focus Ring Focuses the objective lens. Adjusts for sharpest view of the
scene. The total focus range is covered with three quarter turns
of the lens.
5 Remote Control
Button
Activates/ deactivates the Cobra in standby mode. To turn the
unit on, press the button once. Press it again to turn the unit off.
— Battery Status
Indicator
The color fill (green/ yellow/ red) bar in the battery icon indicates
the current power level of the internal battery, or remaining
battery life.
The totally shaded battery icon indicates the fully charged
battery.
The flashing transparent battery icon indicates a low battery.
The Cobra button control panel is shown in Figure 2-6.
Table 2-2 contains the button functions and their descriptions. The ITEM NO. column indicates the
number used to identify buttons in Figure 2-6.
NOTE:
Each button is responsible for different functions, selected by pushing or holding down the
button, or using the button in combination with a second one (as described in Table 2-2).
Pushing a button for 1.5+ seconds is considered “holding down.”
FIGURE 2-6. BUTTON CONTROL PANEL
1
3
2

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TABLE 2-2. BUTTON CONTROLS
ITEM FUNCTION DESCRIPTION
1
Display Brightness
increase
Push button (1) to increase the screen brightness.
Digital Zoom
Control
To change the zoom gradually, push and hold button (1).
Up Use the UP (1) button to navigate through the items on the menu.
2
Display Brightness
Decrease
Push button (2) to decrease the screen brightness.
Image Palette
Control
To scroll through the available palettes, hold down button (2). There
are 13 palettes available: White Hot, Black Hot, Fusion, Rainbow,
Globow, Ironbow1, Ironbow2, Sepia, Color1, Color2, Ice-Fire, Rain,
and OEM.
Down Use the DOWN (2) button to navigate through items on the menu.
1 + 2
Flat Field
Correction
(FFC)
Simultaneously holding down buttons (1) and (2) induces manual
Flat Field Correction (FFC).
3
Menu
Holding down button (3) will bring up the Main Menu. The menu
includes the following functions: Palette, Enhancement, and
Settings.
Selection
Push the SELECTION button (3) to view the settings available for
the item selected.
To enable left and right navigation (< >) press button (3).
FFC Process
Interruption
Pushing button (3) when the countdown is on the screen will cancel
the FFC, and the shutter will not interrupt viewing.
2.2.2 MAIN MENU
Most setup options can be accessed from the MAIN MENU.
To display the MAIN MENU, hold down button (3) on the control panel (Figure 2-6).
Once the MAIN MENU is displayed (Figure 2-7), use buttons (1) and (2) to navigate through items
on the menu.
Push button (3) to view the settings available for the item selected.
MAIN MENU
> EXIT
PALETTE
ENHANCEMENT
SETTINGS
FIGURE 2-7. MAIN MENU

15Cobra USER MANUAL
Navigate through sub-menu items by pushing buttons (1) and (2), except where otherwise
indicated.
After a menu item is selected, push button (3) to activate the selected function. The function will
either be activated or will show <> symbols.
When <> symbols are shown on the menu, the left and the right actions are required. Use button
(1) to increase (>) the value, and button (2) to decrease (<) the value. To enter the value and disable
left and right navigation, press button (3).
Select EXIT and push button (3) to return to the MAIN MENU.
Palette Menu
The PALETTE menu (Figure 3-8 and Figure 3-9) allows you to select from a range of temperature
imaging modes: White Hot, Black Hot, Fusion, Rainbow, Globow, Ironbow 1, Ironbow 2, Sepia, Color 1,
Color 2, Ice-Fire, Rain, and OEM Custom.
NOTE:
To navigate through the items on the two-page PALETTE menu, hold down button (1) or button
(2).
The palettes act as color templates for visualization of temperature changes.
To navigate through the items on the PALETTE menu, press buttons (1) or (2).
PALETTE
> EXIT
SEPIA
COLOR 1
COLOR 2
ICE-FIRE
RAIN
OEM CUSTOM
FIGURE 2-9. PALETTE MENU. CONTINUED
PALETTE
> EXIT
WHITE HOT
BLACK HOT
FUSION
RAINBOW
GLOBOW
IRONBOW 1
IRONBOW 2
FIGURE 2-8. PALETTE MENU

16 AGM Global Vision
NOTE:
The most popular palettes are White Hot and Black Hot, usually known as inversion. White Hot
mode is ideal for spotting targets, while Black Hot is most useful for situational reading.
NOTE:
Training and experience are required to quickly and properly interpret thermal images.
Enhancement Menu
The ENHANCEMENT menu (Figure 2-10) allows users to take advantage of advanced signal
processing algorithms to improve image quality under a variety of different thermal environments.
CONTRAST - Active Contrast Enhancement (ACE) – a digital contrast correction that allows for a
smart scene optimization based on dynamic adjustments where a variety of contrast levels occur
depending on relative scene temperature. The adjustment range is from -8 to +8 with default value
4. Lower values will make hotter objects get more contrast and higher values will make a colder
objects get more contrast.
SHARPNESS - Second Generation Digital Detail Enhancement (DDE) – a sharpness correction that
is digitally enhances the picture to present clearer imagery, significantly improves edge sharpening
and further reduces image noise. The adjustment range is from -20 to +100 with default value 60.
Lower values will create an object image with softer edges. Higher values will make an object
sharper, enhance details and will further increase the signal to noise ratio.
ENHANCEMENT
> EXIT
CONTRAST
SHARPNESS
SMARTSCENE
SKY/SEA
FIGURE 2-10. ENHANCEMENT MENU
FIGURE 2-11. DIGITAL CONTRAST CORRECTION
CONTRAST -8 CONTRAST +8

17Cobra USER MANUAL
SMART SCENE - Smart Scene Optimization (SSO) – a fine-tuning computational correction that
significantly improves an overall visual acuity for targets that have thermal signatures similar to a
surrounding background. Higher values provide a more linear automatic gain control behavior and
objects with similar, but not the same temperature can be differentiated with greater accuracy.
The adjustment range is from 0 to 100 with default value 15.
GAIN - Automatic Gain Control (AGC) – a correction that used to automatically adjust the gain to
an appropriate range, the weaker the image signal, the stronger the gain. The adjustment range is
from 0 to 255 with default value 35.
FIGURE 2-14. GAIN CORRECTION
GAIN 0 GAIN 35
AGC SPEED – parameter that allows user to control the refresh rate of Automatic Gain Control
(AGC). The adjustment range is from 0 to 128 with a default value of 12.
FIGURE 2-12. SHARPNESS CORRECTION
SHARPNESS -20 SHARPNESS +100
FIGURE 2-13. SMART SCENE OPTIMIZATION
SMART SCENE 0 SMART SCENE 100

18 AGM Global Vision
Settings Menu
The SETTINGS menu (Figure 2-15) allows for direct changes to Video Standards and Factory
Default settings.
The Firmware (FW) revision number is listed at the bottom of the menu display.
STANDARD
Changes the video output standard between NTSC and PAL.
FACTORY RESET
Resets the camera to factory defaults.
SOFTWARE VERSION
Software release is shown in alphanumeric format. When the SELECT button is pushed, the SW
version will appear.
NOTE:
After configuration is complete, select EXIT on the MAIN MENU and push button (3). All settings
will be saved.
2.3 OPERATING PROCEDURES
2.3.1 OPERATING
CAUTION:
DO NOT force the equipment controls past their stopping points.
CAUTION:
To prevent thermal damage to the equipment, never point it, either powered or not, directly at the
sun or any other source of high intensity light that the unprotected human eye cannot tolerate
(such as a welding arc). To prevent inadvertent exposure to these sources, never leave the
equipment without the objective lens cap secured.
Operating procedures are as follows:
1. Remove the Cobra from the carrying case.
2. Remove the objective lens cap.
3. Point the equipment at an object.
SETTINGS
> EXIT
STANDARD
FACTORY RESET
FW: XXXXXXXXXX
FIGURE 2-15. SETTINGS MENU

19Cobra USER MANUAL
4. Activate the Cobra by turning the turn-pull switch ON. After approximately 3 sec, video of the
thermal scene should appear.
5. Adjust the Cobra for your eyesight by turning the eyepiece focus rings CW up to the stop, and
then CCW until the display and symbols are as clear as possible. Bring the object into focus by
turning the objective focus ring (CW for far focus, CCW for near focus).
NOTE:
The total diopter adjustment range is covered with 2 turns of the eyepiece focus ring.
The total focus range is covered with three quarter turns of the objective focus ring.
6. Using the buttons on the control panel (Figure 2-16), configure the Cobra to adapt it to your
situation.
For more information on operational setting procedures, see Part 2.2 (Controls and Display
Indications).
A.Adjust the brightness of the display for your comfort.
Push buttons (1) and (2) to increase/ decrease the display brightness by one level at a time until
you reach your desired brightness level.
B. Use FFC (Flat Field Correction) to improve image quality.
Push buttons (1) and (2) simultaneously to start manual Flat Field Correction.
If necessary, interrupt the automatic process by pushing the central button (3) on the control
panel during the 5-second countdown, which will appear at the bottom of the display.
C. Use the digital zoom to magnify the central area of the image.
Hold down button (1) to slowly zoom in on the image. The 2x, 4x, and 8x symbols (maximum
zoom factor is dependent on equipment model) will appear on the display.
NOTE:
Digital zoom allows distant objects to appear larger; however, the resolution will be compromised.
D. Use the image palettes for optimal visualization of temperature changes in the scene.
Hold down the palette control button (2) to scroll through available palettes. The palette name
will appear in the top part of the display.
E. Adjust the necessary adjustment using the MAIN MENU. See Part 2.2.2 (Using the MAIN MENU).
FIGURE 2-16. SETTING BUTTONS
BRIGHTNESS INCREASE /
ZOOM (1)
MENU / SELECTION /
FFC PROCESS INTERRUPTION (3)
BRIGHTNESS DECREASE /
IMAGE PALETTE (2)

20 AGM Global Vision
NOTE:
After configuration is complete, select EXIT on the MAIN MENU and push the SELECTION button
to leave the MAIN MENU. All settings will be saved.
10. To operate the Cobra in short-time activation mode, turn the switch to STB (standby). To
activate the Cobra, press the remote control button once. Press the remote control button again
to deactivate the Cobra.
CAUTION:
DO NOT leave the equipment activated when not in use.
2.3.2 COBRA SHUT-DOWN
NOTE:
Shut down the Cobra properly to avoid losing unsaved settings and data.
Shut-down the Cobra as follows:
1. Be sure to save your settings and data.
2. Turn off the Cobra.
3. Place the protective cap on the objective lens.
4. Disconnect the cable (if applicable).
5. Place the protective cap on the connector.
6. Remove the batteries.
CAUTION:
Do not store the Cobra with the batteries still installed.
7. Store the Cobra and all accessories in the carrying case.