Description: Firmware updates on AC40 and AD629 are performed via USB pen drive. An issue has been identified where units become inoperable after a firmware update is performed when one of the files…
Description: The following document outlines how to replace the attenuator covers on the AC40 and AD629. STEP 1 Remove both the covers for the attenuators – do not use tools STEP 2 Check cover revisi…
What is the Weber test? The Weber test distinguishes between conductive and sensor neural hearing loss through use of a bone conductor. Use the indications to show where the tone is perceived. Requir…
