Interacoustics AD629 Instructions D'utilisation page 164

Transducers
Patient Response switch
Patient communication
Monitor
Special tests/test battery
Stimuli
Tone
Warble Tone
Wave file
Masking
Presentation
AD629 - Instructions d'utilisation - FR
DD45
TDH39
HDA300
HDA280
DD450
DD65 v2
B71 Bone
E.A.R Tone 3A/5A:
IP30
One hand held push button.
Talk Forward (TF) and Talk Back (TB).
Output through built-in speaker or through external earphone or speaker.
SISI. ABLB. Stenger. Stenger Speech. Langenbeck (tone in noise). Békésy
Test. Weber.
2 channel speech, 2 channels Master Hearing Aid, Auto threshold.
Auto threshold tests:
Available time for patient to respond:
Increment of hearing level:
Auto threshold test (Békésy):
Mode of operation:
Rate of level change:
Smallest increment of level:
125-20000Hz separated in two ranges 125-8000Hz and 8000-20000Hz.
Resolution 1/2-1/24 octave.
1-10 Hz sine +/- 5% modulation
44100Hz sampling, 16 bits, 2 channels
Automatic selection of narrow band noise (or white noise) for tone
presentation and speech noise for speech presentation.
Narrow band noise:
IEC 60645-1:2001, 5/12 Octave filter with the same centre frequency
resolution as pure Tone.
White noise:
80-20000Hz measured with constant bandwidth
Speech Noise.
IEC 60645-2:1993 125-6000Hz falling 12dB/octave above 1KHz +/-5dB
Manual or Reverse. Single or multiple pulses.
Headband Static Force 4.5N ±0.5N
Headband Static Force 4.5N ±0.5N
Headband Static Force 4.5N ±0.5N
Headband Static Force 5N ±0.5N
Headband Static Force 10N ±0.5N
Force statique serre-tête 10N ±0,5N
Headband Static Force 5.4N ±0.5N
Same as tone presentation
5dB.
Békésy
2.5 dB/s ±20%
0.5 dB
Page 48