A persistent cacheable high volume manufacturing initialization code is generally presented. The first FET has a first terminal coupleable to a load, a second terminal and a control terminal. The joint sections are made not to overlap with the upper and lower of joint sections. Each ink ejection nozzle arrangement also defines a nozzle chamber for receiving ink from an ink supply channel and a nozzle rim through which ink in the nozzle chamber can be ejected. The frequency converter receives the feedback RF signal and the local oscillating signal and outputs the second comparison signal according to the frequency difference. In a preferred embodiment, the fitment is a regulator of a self-contained breathing apparatus.