Global Settings Manually set which Gain Stage is active on power up. Saving Which Gain Stage is Active at Startup When MR JAX is first powered on the indicating LED will begin to flash. Hold down the Bypass Switch while the LED is still flashing and release when the LED is a solid color. A short press will cycle through each Gain Stage color, once you have selected the correct Gain Stage simply do a long press of the Bypass Switch. The LED will begin to flash again indicating your selection has been saved in permanent memory.