![BS Series Pump Firmware X2 Upgrade BS Series Pump Firmware X2 Upgrade](https://cdn11.bigcommerce.com/s-ye27j2homb/images/stencil/500x659/products/14938/3493005/firmware__21476.1706986683.jpg?c=1)
Smooth linear increasing or decreasing gradient. Set the starting rate, ending rate, and the time. Pre-program multiple gradients plus any other BS-Series programming feature. When 1X Upgrade is in both pumps in a dual system, Continuous Pumping Mode is able to provide a precise continuous flow without any drop-offs of pauses