G7 BR2 Rangefinder Programming a Ballistic Profile

Published on August 9, 2012
Duration: 6:33

This guide details how to program a ballistic profile on the G7 BR2 Rangefinder, a process crucial for accurate long-range shooting. Expert instruction covers inputting parameters like Ballistic Coefficient, Muzzle Velocity, Sight Height, and Zero Range. The guide emphasizes the importance of selecting the correct Drop Unit (BDC) and Drag Standard (G1) for precise ballistic solutions. It concludes with the calculation process and how to verify the programmed profile for field use.

Quick Summary

Programming a ballistic profile on the G7 BR2 Rangefinder involves inputting key data: Ballistic Coefficient, Muzzle Velocity, Sight Height, Zero Range, Drop Unit (BDC, MOA, Inches), and Drag Standard (G1/G7). After saving, the device calculates ballistic tables in approximately 14 seconds, enabling accurate long-range firing solutions.

Chapters

  1. 00:04Introduction to G7 BR2
  2. 00:13Demonstration Setup
  3. 00:33Waking Device and Checking Profile
  4. 00:42Accessing Programming Menu
  5. 00:57Selecting Profile for Editing
  6. 01:16Reviewing Ballistic Parameters
  7. 01:33Programming Drop Unit
  8. 02:20Programming Drag Standard
  9. 02:39Programming Ballistic Coefficient
  10. 03:22Programming Muzzle Velocity
  11. 03:33Programming Sight Height
  12. 03:49Programming Turret Temperature
  13. 04:00Programming Turret Altitude
  14. 04:21Programming Zero Range
  15. 04:30Reviewing and Saving Profile
  16. 04:58Profile Calculation and Usage
  17. 05:18Exiting Programming Mode
  18. 05:53Key Takeaways

Frequently Asked Questions

How do you program a ballistic profile on the G7 BR2 Rangefinder?

To program a ballistic profile on the G7 BR2, wake the device, hold the mode button to access the menu, select 'Profile Select', choose an empty profile, and then input parameters like Drop Unit (BDC), Drag Standard (G1), Ballistic Coefficient, Muzzle Velocity, Sight Height, Turret Temperature, Turret Altitude, and Zero Range.

What are the key ballistic parameters needed for the G7 BR2 rangefinder?

Key parameters include Ballistic Coefficient (BC), Muzzle Velocity (MV), Sight Height (from bore to scope center), Zero Range (your rifle's zero distance), Drop Unit (MOA, Inches, or BDC), and Drag Standard (G1 or G7). Environmental factors like temperature and altitude are also crucial when using BDC.

How long does it take the G7 BR2 rangefinder to calculate ballistic tables?

After programming a ballistic profile and saving it, the G7 BR2 rangefinder typically takes about 14 seconds to calculate and build the necessary ballistic tables for accurate firing solutions.

What is the significance of the BDC setting on the G7 BR2?

The BDC (Ballistic Drop Compensated) setting on the G7 BR2 allows the rangefinder to calculate and display firing solutions that directly compensate for bullet drop at various distances, often incorporating environmental factors like temperature and altitude for enhanced accuracy.

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