Interacoustics AD629 Gebrauchsanweisung Seite 380

Istruzioni per l'uso di AD629 - IT
External signal
Free Field
Internal storage
Signal Indicator(VU)
Data Connections (sockets)
External devices (USB)
Input Specifications
Output Specifications
Speech replaying equipment connected to the CD input must have a signal-to-noise ratio
of 45 dB or higher.
The speech material used must include a calibration signal suitable for adjusting the input
to 0 dBVU.
Power amplifier and loudspeakers
With an input of 7 Vrms - Amplifier and loudspeakers must be able to create a Sound
Pressure Level of 100 dB in a distance of 1 meter - and meet the following requirements:
Frequency Response
125-250 Hz +0/-10 dB
250-4000 Hz ±3 dB
4000-6300 Hz ±5 dB
250 patients and unlimited sessions/measurements/audiograms
Time weighting:
Dynamic range:
Rectifier characteristics:
Selectable inputs are provide with an attenuator by which the level can be adjusted to the
indicator reference position(0dB)
4 x USB A (compatible with USB 1.1 and later)
1 x USB B (compatible with USB 1.1 and later)
1 x LAN Ethernet
Standard PC mouse and keyboard (for data entry)
Supported printers: Standard PCL3 printers (HP, Epson, Canon)
TB 100uVrms at max. gain for 0dB reading
Input impedance : 3.2KOhm
Mic.2 100uVrms at max. gain for 0dB reading
Input impedance : 3.2KOhm
CD 7mVrms at max. gain for 0dB reading
Input impedance : 47KOhm
TF (side panel) 100uVrms at max. gain for 0dB reading
Input impedance : 3.2KOhm
TF (front panel) 100uVrms at max. gain for 0dB reading
Input impedance : 3.2KOhm
Wave files Plays wave file from hard disk drive
FF1 & 2 7Vrms at min. 2KOhm load
60-20000Hz -3dB
Left & Right 7Vrms at 10 Ohms load
60-20000Hz -3dB
Ins. Left & Right 7Vrms at 10 Ohms load
60-20000Hz -3dB
Bone 7Vrms at 10 Ohms load
60-10000Hz -3dB
Ins. Mask 7Vrms at 10 Ohms load
60-20000Hz -3dB
Total Harmonic Distortion
80 dB SPL < 3%
100 dB SPL < 10%
300mS
23dB
RMS
Pagina 47