A device for and method of calibrating a microphone, includes a loudspeaker for converting a loudspeaker input signal into sound; a microphone for converting received sound into a microphone output signal, and a calibration arrangement for calibrating an output power of the microphone relative to a desired power level. The CF printing module comprising an image transfer system configured to selectively mark a media web, and a media web transport system configured to selectively advance a media web without image marking by the image transfer system at a first speed and selectively route a media web for image marking by the image transfer system at a second speed. The first fluid outlet provides a first predetermined portion of the flow of process fluid, and the at least one second fluid outlet provides the remaining portion of the flow of process fluid. The redirection device may also receive user input commands generated at the local computer and provide the input commands to the remote computer as if the input commands were physically generated by a user at the remote computer. A latching finger is formed at the mounting member for engaging with the locating clip. The conveyor apparatus has a guide realized to define a path of travel for an assembly station, an engaging unit for engaging an assembly station to the guide, and a driving unit for driving the engaging unit along the guide such that the assembly station is moved through successive stages of the assembly line.