Chapter 1
Version 1 Admittance (Y) may be measured with a probe tone frequency of 226 Hz.
The
extensive battery of test mode choices include the following:
• Diagnostic Tympanometry
• Acoustic Reflex Threshold and Decay Measurements
• Eustachian-Tube Function Testing (both intact and perforated eardrums)
• Screening Tympanometry/Reflex (automatic only)
The tympanometric measurement results are automatically
scaled and presented in equivalent ml of compliance at “Y”
226 Hz. Sensitivity scales for the display of reflex mea-
surement results can be selected manually. A cur-
sor is available in all test modes for calling out
numeric positions on the X and Y
axes.
Version 1 equipment TympStar Version 1 options that can be
connections and connected to the rear panel include RS232
options
serial communication, a keyboard for entering patient information and a VGA
monitor for displaying test results. Other options offered for the TympStar
Version 1 for managing and archiving data, include the following:
• Internal memory for storing up to 26 test results
• Data export to an external PC via RS232 serial interface
Not used in TympStar
Version 1
1 - 2 Grason-Stadler
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