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Thermion 2 Pro
Thermion 2 Pro

Table of contents

Ballistic Calculator

1. Install the Stream Vision Ballistics app from Google Play or AppStore.

2. Go to Profiles tab.

3. Create a profile for your riflescope, ammunition and zeroing distance. Make sure that “Ballistic parameters” switch is on. If your ammo is not on the list, you can enter its parameters manually. The more parameters you specify, the more accurate the recommended point of aiming will be. 

4. Adjust the temperature, pressure and humidity of the environment while zeroing your riflescope.

5. Enter a profile name and click save .

6. Connect your riflescope to your smartphone using Bluetooth. First, make sure that your riflescope has the latest firmware version 3.0 or higher installed.

7. Load the profile into the riflescope.

To do this, go to the "Devices" tab –> Select your riflescope –> "All device profiles" -> click on the profile you want to replace and select the created profile from the list.

8. Set the status to "Active" for the ballistic profile. To do this, click on the button  next to the desired profile, or select it in the profile selection menu in the riflescope.

9. Make sure that the Ballistic Activation option is enabled in the riflescope's Ballistics menu.

10. Select the desired distance in the quick menu:

  • Press the controller button (6) briefly to enter the quick menu.
  • Briefly press the controller button (6) to select .
  • Rotate the controller ring (6) to select the desired distance. The SPOA mark will shift based on the selected distance. Note, that ballistic calculator uses angle/elevation readings of your riflescope in order to calculate the SPOA. Therefore, keep the reticle on the target while manually inputting the distance data.
  • Press and hold the controller button (6) to exit the menu or wait 10 seconds to exit automatically.

11. Check the accuracy of your profile settings with a test shot at the shooting range.

Note: profiles for different types of ammunition must be zeroed separately. 

12. To activate the use of weather data in your geolocation during the shot, go to the "Devices" tab -> Select your riflescope -> "Set outdoor".

In the Ballistics section of the main menu, you can configure the following settings of the ballistic calculator:

  • Screen position of the measured distance value
  • Turn on/off the ballistic calculator
  • Correction units
  • Reticle type and color for suggested point of aiming.

Stream Vision Ballistics Manual