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1. Uploading Downloading Range m Connection Target Control Connection Profile Actions Connection Compute Holds Clear Holds Get Profiles Send Profiles Profiles to Kestrel Swipe Environment Initialization screen and Menu Single Target Engagement Multiple Target Engagement Gun Profile Management Requirements Features The following table lists the features of the Kestrel Companion app and gives a brief explanation of what they are do Greater detail along with directions for how to properly use all the features is given below in the instructional sections of this page The Kestrel Companion Pro App uses the Ballistic Solver built in to Kestrel Device All calculations are run on the Kestrel and it requires a Bluetooth Kestrel in order to run It is compatible with the Applied Ballistics and Sportsman versions This app also Application l l PE i supports the uploading and downloading of gun profiles to a Kestrel Device allowing for gun profile development in the field and the use of the custom drag curve library without the PC Profile Loader Single Target Single Target Engagement gives you the ability to see a live feed from the Kestrel device Including environmental factors and Engagement gun parameters It also allows you to adjust range to target giving you a firing solution from your Kestrel remotely Multiple Target This screen allows you to input up to 8 different targets It will then generate firing solutions fo
2. 5 0 mph WD 09 o clk WSZ 10 0 mph Range El Wnd Wnd 2 S E D E H H f Connection Target Control Compute Holds Clear Holds Connected Single Target Ws WO Soclk 5 mph Elevation 10 78 Windage IG R Windage 2 70 4 if f y Environment TMP 84 F PRS 29 41 in HUM 47 1 392 in LAT 38 0 d Range m Connection Swipe Computed Target Holds Multi Target Ws 5 mph WSZ 10 mph Wnd 2 Target Control Connection Clear Holds Compute Holds Single Target Engagement gives you the ability to have a live feed which is updated every 1 second You will see wind direction and wind speeds at the top of this screen Inside the clock direction indicator you will see your elevation adjustment and your windage adjustments Note The target direction needs to be set in the Kestrel itself and cannot be changed via the app At the bottom of the firing solution you will have basic Bullet Gun and Environmental data More detailed data can be found on the Kestrel itself Range adjustment By swiping your finger up and down anywhere on this screen you can adjust the range to the target You can also fine tune this range with the buttons at the bottom of the screen You can use the keypad to hand enter a range by clicking on the range number at the bottom or you can adjust the range on the Kestrel itself Note you can adjust the swipe value changes in the settings So that swip
3. Connection button Blue indicates connected Red indicates dis connected Simply tap this button to activate the connection Settings LEPETT The settings are accessed by pressing the menu button then choosing settings nvisti Companion Pro aa _ Regardless of the units chosen on the Kestrel itself you can choose any units you wish to Application Preferences use in the app UNIT PREFERENCES Temperature Units Select temperature units Changing units in the app will not affect the Kestrel settings and vice versa Pressure Units Select pressure units Wind Speed Units Select wind speed units Settings can be accessed from any Function Screen Distance Units Select distance units Gun Parameter Units Profile Downloads This setting is important If you want downloaded profiles to Select gun and bullet units overwrite current profiles on your Android Device then switch this option By default it MOA Type Select true MOA or shooter s MOA appends the profile instead of overwriting them Profile Downloads Choose the action to perform when downloading profiles with the same name Range Swipe Range step size when swiping Target Engagement Single Target Not Connected Single Target WSI WD Elevation Windage Windage 2 a oe i me Environment TEMP PRES HUM EE Range m Connection Swipe Multiple Targets Cleared Screen Multi Target WS
4. Select Bullets from Here Edit Profile Profile Name Always Select The Bullet First by clicking here If you build the weapon profile and then pick the bullet your profile will be reset with the exception of the Bullet Data Zero Offset 0 00 i Twist Rate _ lt lt Bullet Data Select from Database Diameter CS 0 Weight Ballistic Coeff Length MV Temp Table MV Temp Select Drag Curve G1 G7 AB Custom Curve Caliber 0 172 1 bullets 0 224 48 bullets 0 243 55 bullets 0 257 15 bullets 0 264 47 bullets O27 29 bullets 0 284 51 bullets 0 308 122 bullets 0 338 40 bullets G 375 9 bullets 0 408 Select Caliber Save Completed Profile Edit Profile Profile Name Gun Data Muzzle Velocity Zero Range Sight Height Zero Height Zero Offset Twist Rate Bullet Data Diameter Weight Ballistic Coeff Length MV Temp Table MV Temp Save Profile Settings 100 Lo i 0 00 i 0 00 i 25 i Select from Database 0 308 i Select Brand Manufacturer Barnes 9 bullets Berger 28 bullets CuttingEdge 7 bullets Dietlein 6 bullets DRT 2 bullets GSCustom 4 bullets HBC 1 bullets Hornady 13 bullets JLK 3 bullets Lapua 9 bullets Matrix Create As Many As You Want Profiles GAP 10 Bullet 0 308 185 gr BC 1 000 MV 2630fps SH 1 300 ZR 100 m GAP 10 Bullet 0 308 85 gr BC 1 000 MV ZB3ofps SH 1500 2 100m Sisk 6 50 Bull
5. de for how to calibrate compass For Coriolis to be correct you must input your Latitude on the Kestrel Device itself Latitude is found under Environment on AB Mode Spindrift can be disabled on the Kestrel Device itself from the Environment Menu in AB Mode Target direction is set on the Kestrel Device itself and cannot be changed from the app eo Units of Measure Changing the Units of Measure on the Kestrel Device will not affect the Units in the App and vice versa You must select the units you wish to use independently on the Device and the App 9 Batteries The Kestrel Device is designed to work with Energizer Ultimate Lithium Batteries only the use of other types of batteries can cause errors and problems DO NOT USE ADVANCED LITHIUM BATTERIES The use of Advanced Lithium batteries will cause compass errors which will not allow you to use wind direction and speed capture It will also prevent target direction capture Common Questions Firing Solution Errors Most of the time if the firing solution is wrong especially in the super sonic trajectory it is because of bad information input in to the program Muzzle Velocity and incorrect BC being the most common reasons If you are pointing your own bullets you can expect the BC to improved and the firing solution to be slightly off This can be corrected by altering your own BC or by using the Drop Scale Factor Whichever way you decide to do it keep in mind most firing solut
6. et 0 264 140 gr BC 1000 MV 2750 fps SH 1400 ZR 100m AXME Bullet 0 338 300 gr BC 1000 MY 2513 fps SH 2000 ZR 100m SEW 15 22 Bullet 0 223 40 gr BC 0 148 MV 1025 fps SH 1 250 ZR 25m Larue Z60R Bullet 0 264 130 gr BC 1000 MV 2818 fps SH 1 500 ZR 100 m HK4I6S Bullet 0 224 77gr BC 1000 MV 3104 fps SH 1 750 ZR 100m Profile Actions Connection bet Profiles Send Profiles Uploading Downloading Profiles to Kestrel nVisti Kestrel Companion Pro has the ability to send upload your current weapon profile to a Kestrel and other Applied Ballistic Compatible Devices via Bluetooth This does require you have a Bluetooth version of the devices you wish to upload to There are a couple of settings that must be enabled first in order to do this Also before you start this process ensure you have completed you have paired your device and completed your weapon profile in the Companion Pro App See the notes before proceeding to the demonstration Kestrel Device Bluetooth must be on and the Kestrel must be paired to the device you are running the app on WARNING for Kestrel Sportsman Users You can use this system to send a profile to a Kestrel Soortsman HOWEVER You need to verify you are using a G1 or G7 BC first You can do this from the Gun Profile Management Screen If you attempt to upload to a Kestrel Sportsman with a Custom Drag Curve it will successfully upload HOWEVER your BC will be set to 1 0 which wil
7. he scenes complex calculations are doing more than just adjusting muzzle velocity The trajectory is being trued Dark Theme A dark theme is used to preserve night vision during low limited light conditions Metric Support Data inputs output can be configured to use Metric units Operational Overview The general flow of the program is designed for quick access Guns are stored on the Kestrel but can also be uploaded to the device from the field This allows you to make changes on the fly or to load any rifle on to a Kestrel device from the field without the use of a Computer The following sections cover the details of operation 1 Your Kestrel Applied Ballistics must be on firmware 4 92 or higher in order to use this app See Kestrel User Guides Downloads for how to update firmware http www nkhome com support kestrel support manuals and downloads Your Kestrel must be paired to your Android device before you attempt to use this app See Kestrel Manual for how to pair your Kestrel Changing weapons must be performed on the Kestrel itself You can upload download gun profiles from this app but you can only change the gun profile currently in use on the Kestrel itself From AB Mode scroll down to Gun and highlight it Then simply press the left and right keypad arrows to change the gun 4 The compass must be calibrated before you attempt to use this program If your compass is not calibrated this will not work properly See Kestrel User Gui
8. ing changes by different increments Anywhere from 1 to 25 yards meters at a time Connecting to a Kestrel You must have already paired your Kestrel to your Android Device AND have set it up under Device Selection and Pairing If you have not done this then the connection will fail Click the Red Kestrel Icon and once it is connected running the icon will turn Green To disconnect it simply touch the icon again Do not forget to mark your target direction on the Kestrel itself From this function you have the ability to input the range to 8 different targets Once you are connected to a Kestrel Device simply input the ranges you need Then select Compute Holds it will then one by one calculate your firing solution for each target All parameters other than range must be updated on the Kestrel Device itself including weapon selection These ranges are saved so if you exit the app the next time you open it they will remain input You can also clear your holds using the Clear Holds button Once you are ready just make sure the Bluetooth Symbol is Blue indicating its connected red indicates it is not connected and press computer target holds A A a Q ir f AKMYA Tari ory F IVicdi aGAxTiIIiIivti Vv Gad Ww ap ws FT TT te 5 we ey fre f Tas i aos l D am s dia a 7 BE a PS fu WUT FTO y ieee Gf ww LAT I ad f nT j I Co Po IOT ha IN E gt e A
9. ion errors are user induced Using a suppressor If you have a weapon that is suppressed the easiest way to account for this is by using the zero height and zero offset Zero the weapon with the suppressor on if that is how it will most commonly be used Then create a second profile for that weapon Remove the suppressor and note the offset input these in to the zero height offset section MV shift with Temp Shift You do have the option to input a MV Temp Table in the weapon management system A common error is to only test MV once and then not account for the shift due to temperature change One day your firing solution is spot on then a month later it s off Keep in mind powder burn rates change with temperature This needs to be accounted for Turret Tracking Errors Correcting For Turret Errors This is accounted for in the DSF You can input 1 field that is in the super sonic range of the DSF All other inputs need to be in the transonic to subsonic range There is much more going on behind the scenes in the DSF than simply correcting Muzzle Velocity It is far more complex than it seems If you need to account for turret errors do it with the DSF function Ballistic Calibration Drop Scale Factor DSF is downloaded from the Kestrel to the Android Device in the background You must do a DSF calibration on the Kestrel unit itself and this cannot be adjusted inside the app You will not be able to see the DSF from inside the app Main Sc
10. l give you an error in your firing solution WARNING Uploading profiles will DELETE the current gun profiles on your Kestrel If you want to save any profiles you need to Get Profiles before you Send Profiles The proper steps are shown and described below for uploading a profile to the Kestrel or other AB devices Step 1 On the Kestrel make sure Bluetooth is on the Kestrel and your Device are already paired and go to AB Mode Step 2 Connect to Kestrel Press Connection Button Step 3 If you have any profiles you don t want to lose on the Kestrel then you need to download them by pressing Get Profiles Step 4 Check the boxes next to the profiles you want to upload Step 5 Click Send Profiles it will then indicate as each profile is uploaded and it will delete all current profiles on the kestrel Step 6 After uploading on the Kestrel Device from the Main Menu go to Gun Selection the guns you just uploaded will be turned off Double check each gun to make sure the data is correct Turn on the gun profiles you want access to by highlighting that gun and pressing the left or right on keypad Step 7 From AB Mode on the Kestrel select the gun you currently want to use To do this highlight the word gun and press the left or right arrow until it displays Note if it does not display make sure in step 6 it is turned on This will be the gun used for firing solutions IMPORTANT USER TIP Guns can be turned on
11. neua eae Sn 5 A l re a T A n f A J l E e Ji A WUT UPOo a LIVI f r gm a A A J You have the ability to create store upload and download profiles to the Kestrel device This section will cover Gun Management the next section will cover uploading downloading profiles The Kestrel can store up to 16 different gun profiles You will also notice you have the ability to create Temp Tables and to change from G1 or G7 Note Custom Drag Curves lock out the ability to change this To delete a profile simply check the box next to that gun press the menu button and delete the profile profiles you have selected NOTE Always select the bullet first If you create the weapon then choose a bullet your weapon profile will be reset Also if you exit this screen for any reason without saving your profile will reset Always save your work before leaving this screen Gun Profile Management Menu Profiles Create New Profile Delete Selected Profiles Settings Profile Actions Connection Get Profiles Send Profiles Select Bullet Bullet Berger TargetLRBT 0 308 175GR Berger TargetVLD 0 308 175GR Berger ClassicHunter 0 308 185GR Berger Hunting VLD 0 308 185GR Berger TacticalOT MJuggernaut 0 308 185GR Berger TargetHybrid 0 308 185GR Berger TargetJuggernaut 0 308 185GR Berger TargetVLD 0 308 185GR Berger HuntingVLD 0 308 190GR Berger TargetHybrid 0 308 200GR Berger HuntingVLD
12. nvisti nVisti Kestrel Companion Pro Tactical Innovation For Android The nVisti Kestrel Companion App is the most versatile accurate and user friendly dual purpose app available This app allows for both remote viewing for firing solutions and gun profile management on a Kestrel Applied Ballistics Device This app also provides full access to the custom drag curve library This page is dedicated to presenting operational requirements along with the many features and their proper use Kestrel Connection to iPhone is not available at this time Features nvisti Companion Pro single Target Multi Target Profiles Operational Overview iett Settings pe h w Sock WS 5 mph WD WS2 10 mph Bullet 0 308 185 gr BE 1000 MV 2650 fps SH 1500 ZR 100m Main Screen Range Wnd Wnd2 Elevation Bullet 0 308 185gr BE 1 000 F 25 004R ODSR MV 2635fps SH 1500 M 100m Device Selection and 10 78 I50 DMR l Bullet 0 264 140 gr BE 1 000 Pairing f prai 230 0 20 R WV 2750 fps SH L400 ZR 100m Settin LIE R L i E Bullet 0 338 300 gr BE 1000 ettings Windage 2 785 BIR MV 2913 fps SH 2000 ZR 100m Target Engagement 2 16 R J60 0 80 R Bullet 0 223 40 gr BC 0 148 er WY 025 fps SH 1250 ZR 25m Single Target TTET T Bullet 0 264 130gr BE 1000 MY 2BIBfps SH L500 ZR 00m Multiple Targets Bullet 0 224 77gr BC 1000 MV 3104fps SH 1 750 ZR 100m Gun Profile Management Environment Gun Creation Deletion
13. or off Sometimes during an update guns are turned off Updates generally do not erase gun profiles If a gun seems to have gone missing after an update check the Gun Selection menu which is found on the main menu and see if that gun was simply turned off Also guns can be turned off when not in use If you own a dozen weapons but are only taking two to the range You can turn the guns you do not have with you off This will help ensure you don t accidently select the wrong gun on the Kestrel Device but it also makes choosing weapons easier for those with multiple guns in the library Gun Profile Management Menu AB Mode Current Gun Selection Profiles Bullet O 308 185 gr BC 1 000 MV 2650 fps SH 1 500 ZR 100m Bullet 0 308 185 gr BC 1 000 MV ZBdofps SH Lol ZR 100 m Bullet 0 264 140 gr BE 1 000 MV 2750 fps SH L400 ZR 100 m Bullet 0 338 300 gr BC 1 000 Bullet 0 223 40 gr BC 0 148 MV 1025 fps SH L250 ZR 25m Bullet 0 264 130gr BC 1 000 MV Zale fps SH 1 300 ZR 0m Bullet 0 224 77 gr BE 1 000 MV S104fps SH 1 750 ZR 100 m Profile Actions Connection Get Profiles send Profiles Action Buttons At Bottom Environment To have wind display live data highlight Press the capture button once Environmental factors are automatically populated when connected However wind wind is now active wind must be in capture mode in order to live feed and environment must be turned on Tu
14. r barometric or vice versa The consequence of this error is that the wrong air density gets applied which degrades the accuracy of trajectory predictions This error is increasingly more severe the higher up you are above sea level To further clarify the output from the Kestrel here is an excerpt from the Kestrel user s manual Some final notes If you wish to know the actual or station pressure for your location such as for engine tuning simply set the reference altitude on the BARO screen to 0 In this case the Kestrel Meter will not make any adjustment and will display the measured value Engine tuning and ballistics software sometimes refer to atmospheric or station pressure as absolute pressure These applications are concerned with the actual air density as opposed to pressure gradients relating to weather so barometric pressure is less useful Requirements e Android v4 2 or higher e Bluetooth support on both the Phone and Kestrel Device is required Bluetooth 4 0 or higher is recommended e Region and Carrier Limitations This app is not approved for all regions and or carriers at this time Some carriers may choose to block this app due to the nature of its content Not Required e You do not need GPS Internet or Cell Service to run calculations
15. r each individual targets range Engagement Profil Gun iroe Build Save Manage and upload download gun profiles to your Kestrel device Management Custom Drag The nVisti Kestrel Companion Pro App comes pre loaded with the complete custom drag curve library featuring over 530 Curves bullets and will be updated periodically in the future Coriolis Effect You can figure in Coriolis acceleration and or gyroscopic drift spin drift into your solution Both Coriolis effects and spin drift are amp Spin Drift optional features easily disabled on the Kestrel device See Kestrel User Manual for how to disable these Temp Table You can specify your load s powder temperature at the time you chronograhed along with the variation of muzzle velocity P inside the temp table The Kestrel will then automatically adjust your muzzle velocity based on its current sensor readings Sometimes it s not possible to accurately determine all the variables required to calculate an exact ballistic solution As a result the Point Of Impact POI predicted by the program can be a little different from where the actual bullet hits in the real Ballistic world One of the more powerful features of the Kestrel Device is the Drop Scale Factor DSF A user can calibrate the Calibration program based on real world observed drop data at range by inputting pairs of observed range drop data This is also how you correct for scope turret errors While it may seem simple behind t
16. reen From the main screen you have quick access to 4 functions You also have the settings which can be accessed nVisti Companion Pro from any screen by using your phones menu button Pressing your devices back button from any of the function Select a Function trom the List Below screens will return you to the Main Screen NOTE Before you begin to use this app make sure your Kestrel Device is paired and that you visit the settings menu and properly adjust your settings Device Selection and Pairing Main Menu Choose Device Selection Pick Your Device from Pop Up Connection Indicator and Pairing You must pair your Kestrel Device to your Android 4 Bluetooth Device Selection Device BEFORE you attempt to use this app This process may nVisti Companion Pro K4500 705722 be different depending on your device Once it is paired you Select a Function from the List Below i Uncategorized Device then need to tell the application which Bluetooth device is your preference Click on Device Selection and Pairing this is t Select your Kestrel Device that has already been paired where you choose your Kestrel device Simply tap here and once the menu pops up tap your Kestrel device and the program will know which device to automatically connect to Refer to the Kestrel User Guide and your individual devices instructions on how to pair Bluetooth devices Also note on several screens you have a Bluetooth
17. rning environment off will freeze the current readings and is advised in some situations To start wind capture mode E Fi juf is Siae l 1 Highlight wind on the Kestrel Device z 4 2 Press the Capture Button Eey has a camera icon on it once The word Wind will change to W with an Arrow Pressing the capture button again will lock in your current wind If you wish to use a live wind feed example you have the kestrel in a wind vane mount then only press the wind capture button once and leave wind capture running SS D E EES E ETE y PARADE AE a AORERE ICS E R E a oS EE co Arenan n E iA O R SE EAE R Ch gt 2ra Dw see Soe a pe eae aero a E ee CS en DS IEP IG it Sy DA a gt t A REENE a iir SESE IG as PBS Ritts ee Rag hy ae nermnmnmm siete N nn Te naw etn an rons eM ee a IMPORTANT USER TIP Environment can be turned off from the Environment Menu in AB Mode If you are using a wind vane mount in the open summer sun or sitting open on a shooting mat in the hot sun this can cause false environmental readings Think about how hot the scope on your weapon is if you leave it out in the summer sun for too long The same thing can happen to your Kestrel It is advised that if you are leaving this device in the direct sun for prolonged periods that you turn environment off and only turn it back on periodically to update the readings When you turn it back on swing it by the lanyard over your head for 20 30
18. seconds to get air moving over the sensors then capture you reading and turn it back off if you plan to place it back in the direct sun for a prolonged period Side Note Atmospheric inputs have historically been the least understood and caused the most trouble for shooters running ballistics programs in particular the pressure inputs The following discussion elaborates on the correct way to manage these variables Basically there are two options for describing pressure to a ballistics program 1 Enter the barometric aka corrected pressure and altitude or 2 Enter the Station pressure where you are Some definitions are in order regarding barometric and station pressure Barometric pressure is also known as Sea level corrected pressure and is what the weather station and airports report because it s useful for pilots and making weather assessments Barometric pressure is not the actual air pressure where you are rather it s a number that s corrected to sea level In order to determine the actual air pressure where you are which is what the ballistics program cares about you have to account for the effects of altitude However if you have a handheld weather meter like a Kestrel you can measure Station Pressure directly which is the actual air pressure where you are This is the preferred method of inputting pressure data because it s one less input and relies on only one measurement instead of two A common error is to mistake station pressure fo

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