These cables can be purchased through Amazon.com, Radio Shack, and other retailers.When prompted to Allow the app Chronograph to access the USB device - Select OK. If you do not see a prompt - check your connection and try again.If you are Caldwell Ballistic Chronograph更新内容 优化系统性能...
These chronographs were symmetrically positioned 10 cm before and after the target. The targets (i.e., specimens) were firmly fixed at 5 m away from the rifle, keeping the trajectory of the bullet perpendicular to the plate. The second stand-alone tests were carried out at the CAEx, ...