Description: To ensure correct function of the device please follow this procedure when upgrading AC40 to firmware version 1.8. This procedure can successfully upgrade from firmware version 1.6 and f…
NB: If you want to update an AC40 and AD629 having a serial no. lower than SN0928126 please follow Technical Note no. 1611. Description: Firmware updates on AC40, AD629 and AT235 are performed via US…
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: Neptune manager (NM) is intended as a service tool for our standalone devices. NM offers the possibility to reformat the internal flash drive and hereafter install the latest firmware. B…
Description: Neptune manager (NM) is intended as a service tool for our standalone devices. NM offers the possibility to reformat the internal flash drive and hereafter install the latest firmware. B…
Description: This note describes how to redirect a printer. This is a necessary procedure when the following dialog appears in the EP module or ASSR module, when pressing Print. The dialog appears be…
What is the real ear to coupler difference (RECD)? The real ear to coupler difference (RECD) is a measurement that accounts for the decibel difference across frequencies between SPL measured in the c…
What is the cervical vestibular evoked myogenic potential (cVEMP)? The cervical Vestibular Evoked Myogenic Potential (cVEMP) is an evoked potential measured from the sternocleidomastoid (SCM) muscle…
What is a cochlear microphonic? The cochlear microphonic is a response from the cochlea that mimics the input stimulus and is believed to be a response primarily from the outer hair cells (Dallos, 19…
What is the real ear to coupler difference (RECD)? The real ear to coupler difference (RECD) is a measurement that accounts for the decibel difference across frequencies between SPL measured in the c…
What is the auditory steady-state response (ASSR)? The auditory steady-state response (ASSR) is an electrophysiological response that is evoked by a periodically repeated (rapid) auditory stimulus. A…
What is electrocochleography? Electrocochleography, also abbreviated as ECochG or ECOG, is a measure of the electrical potentials of the cochlea. Typically, the measurement is characterized by the st…
