natus Madsen A450, Руководство пользователя

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Curve Selection • AUD (audiogram threshold curve) (Tone)
•
MCL
• UCL
•
SDT
(Speech Detection Threshold) (Speech)
• SRT (Speech Recognition Threshold) (Speech)
•
WRS
(Word Recognition Score) (Speech)
• SNR (Signal to Noise Ratio) (Speech)
Masking Transducer
Selection • Insert
•
Phone
• Bone (Speech)
•
SF
Masking Options
•
Contralateral
• Ipsilateral
•
NBN
(Tone)
• WN (Tone)
•
Stimulus 2 (Stenger)
• SWN (Speech)
•
Mic
(Speech)
• Recorded (Source A) (Speech)
•
Recorded (Source B)
(Speech)
The stimulus bar
Test controls provide a means of operating the audiometer if you use the mouse and on-screen options to perform tests.
• To enable test controls, select
Tools
>
Options
>
Audiometry
>
General
>
On-screen controls
>
Show
>
On
.
Button Description
Present
Click to present the stimulus.
Store
Click to store the data point or row.
Mask
Click to enable or disable masking.
Silence Mode
Silence Mode allows you to control tone levels and presentation by hovering the mouse cursor over the respective on-
screen controls. This is particularly useful when the operator of the audiometer and the person being tested are in the
same room.
• To enable silence mode, select
Tools
>
Options
>
Audiometry
>
General
>
On-screen controls
>
Silence Mode
>
On
.
• To change the level and frequency by more than one click at a time, use the mouse scroll wheel.
14 Madsen A450
8 Control panels and on-screen controls