(9) Function button: to select left, right or both ears
(10) Transducer selector button: to choose between Phones, Insert, Bone and,
Speaker (only calibrated transducers are available)
(11) Function button: function is displayed on the screen based on test screen
Tone: No response, stores value with arrow below the symbol
Speech: Select microphone, external CD player or wave file as signal source
(12) Test Signal selector button: Steady, Pulse, Warble, or P&W (pulse and
warble tone)
(13) Function button: function is displayed on the screen based on test screen
Tone: Selects test for selected receiver, either the pure tone threshold, Hearing
Level (HL) or Uncomfortable Loudness (UCL); if Speaker is selected as the
transducer an option for aided sound field threshold (Aided) is also made
available
Speech: Select Speech Recognition Threshold (SRT), Word Recognition Score
(WRS), UCL or Master Hearing Aid (MHA).
(14) Select Unlock: Lock (locks the presentation of the signal in both channels),
Track (activates the masking noise to automatically increase and decrease level
in relationship to the signal), L&T (Lock and Track)
(15) Function button: function is displayed on the screen: Masking on/off,
activates masking in the opposite ear
(16) Function button: to switch from tone to speech and back; the current
function is displayed on the screen
(17) Function button - Menu: to enter the user menu, where settings can be
adjusted, results can be printed out or stored as PDF on SD memory card or
USB flash drive or the patient list can be entered
(18) SD memory card slot
(19) Level meter
Note: When a Function button is grey, this identifies it as an inactive button
with the current test set-up (ex. ).
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