Thank you for your comment. We maintain an extensive support page on the AB website:
http://appliedballisticsllc.com/support/

In particular, here is a listing of instruction/user manuals for all AB devices:
http://appliedballisticsllc.com/support/online-user-guides/

This content is available on those pages, and as free .pdf downloads as well, for example:
http://www.appliedballisticsllc.com/User%20Guides/ABMobileUserGuide.pdf

We also maintain a library of support videos for users of our devices as well:
http://appliedballisticsllc.com/support/support-videos-2/

To download all the latest updates, you can visit the downloads page:
http://appliedballisticsllc.com/support/downloads/

For Frequently Asked Questions, you can visit this link, which is maintained on our support page as well:
http://appliedballisticsllc.com/support/faq-frequently-asked-questions/

These are just the support resources that we maintain on the AB page. There is also a great deal of information available thru the companies that actually manufacture the devices (Kestrel, Garmin, Sig).

If you need any assistance locating answers to specific questions on AB Devices, please email: support@appliedballisticsllc.com and we’ll be happy to help.