Welch Allyn GSI 38, Service Manual

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Display
The display consists of an LCD panel which will display alpha-numeric, icons and
graphics (240 X 64 pixels). Items displayed are:
Frequencies (alpha-numeric) and Intensity (alpha-numeric) in dBHL
Tympanogram (graphics)
Ear Canal Volume (alpha-numeric)
Tymp Peak-Admittance (numeric)
Gradient (alpha-numeric)
Tymp Peak-Pressure (numeric)
Left/Right Ear (symbol)
Memory Ml to M8
IPSI/CONTRA (alpha-numeric)
Reflex Tracing (graphics)
Reflex with dBHL/No Reflex (alpha-numeric)
Altitude calibration or sea level calibration (icon only in altitude calibration
mode.
Generic Error (Error Code)
Audiogram (dBHL, Frequencies, cursor on frequency under test) or tabular
format.
Back Panel Connectors
Left/Right Earphone
.
Insert Earphone
.
Power Cord
.
Patient Response Switch
PRINTER
Printer: Used to provide a hardcopy of the test data.
Printed Data Format: Graphical area 3.75” horizontal X 6.75” vertical (Audiogram
or Tymp & Reflex for 2 ears), 51 columns/in horizontal
and
40
rows /in vertical
Choice of Audiogram or Audiotable: 3 choices of reflex printouts
Printer
approximately 1.5 minutes to print three screens Tymp and reflex
data for each ear and audiogram for both ears.
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