18 Operation Welch Allyn TM286 Auto Tymp
The figures 226 Hz Tympanometry screen, 226 Hz Tympanometry/Reflex screen, and
Audiometry screen show the individual display format for each test mode.
Figure 8. 226 Hz Tympanometry screen
F23 / Tymp Reflex
Selects Tympanometry and Reflex mode.
F24 / 226Hz Selects 226 Hz for Probe Tone Frequency.
F25 / 1KHz Not available with the 226 Hz Probe Tone.
F26 / IPSILATERAL Selects an ipsilateral reflex test.
F27 /CONTRALATERAL Not available with the 226 Hz Probe Tone.
F28 / Prog(ram) Selects Program mode screen which lists settings available for reflex
presentation format, printout header format, audiogram vs. tabular
format, display normal box, and identify frequency range for Audiometry
mode.
F29 / 500 Selects 500 Hz as a stimulus during reflex testing.
F30 / 1000 Selects 1000 Hz as a stimulus during reflex testing.
F31 / 2000 Selects 2000 Hz as a stimulus during reflex testing.
F32 / 4000 Selects 4000 Hz as a stimulus during reflex testing.
A ASHA Box
B Scale of Tympanogram Compliance
C Test Ear
D Ear Canal Volume
E Peak Amplitude
F Pressure at peak
G Gradient/Tympanogram width
H Pressure sweep scale in daPa
Legend / Label Button Description