Hi Test005,
You may want to check our website also as it does have quite a bit of helpful information on these servos and many other items:
http://www.futaba-rc.com/faq/product-faq.html#q634
http://www.futaba-rc.com/faq/product-faq.html#q607
I hope you find this information helpful. You can also reach our Futaba support technical team at 217-398-8970, or via fax at 217-398-7721.
Sincerely,
Krysta
Lead Futaba Customer Service and Programming Technician