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BASELINE COMPARISONS
The ES3 with the Test Analysis option can perform audiometric exam baseline
comparisons. When ⌐N
EW TEST is selected via the menu system and baseline
data exists, the patient’s baseline data may be loaded so that current test results
can be compared to baseline results.
Threshold information in a baseline test may be used by the automatic threshold
test to determine starting levels for threshold testing. This option is selected via
the menu sequence ⌐S
ETUP ⌐AUDIOMETRY SETUP ⌐AUTO THRESHOLD
⌐MISCELLANEOUS menu: ⌐USE BASELINE. If the baseline does not have threshold
information for a frequency, the normal procedure is used to set the starting level
for that frequency.
The Display Results screen will include baseline information next to the current test
data in the Left and Right Ear results screens. STS and PBI selections also
become available. Baseline test information will be included with current test data
when test data are transferred to computer or printer.
SCREEN AND CLOCK OPTIONS
LCD brightness and contrast are user adjustable to allow optimizing the display for
differing viewing conditions (e.g., ambient lighting or viewing angle). The contrast
setting has no appreciable effect on battery life, but higher brightness settings
require more power and will decrease battery life. The amount of time that the
backlight remains on during periods of inactivity is user selectable, and should be
set to as low a value as is convenient to preserve battery life.
The ES3 includes a real-time clock with rechargeable lithium battery backup to
maintain time and date. Time can be set/displayed in either 12- or 24-hour format.
Date can be set/displayed in dd/mm/yyyy or mm/dd/yyyy format. The battery is
recharged when the ES3 is powered on. When fully charged it should maintain the
real-time clock for at least a year, even if the instrument is not used. In the unlikely
event that the clock battery should become discharged, the time and date would
need to be reset and the instrument left on long enough to recharge the backup
battery.
Screen Properties
The LCD Screen is preset at the factory with typical contrast and brightness
settings. Adjusting either setting may necessitate adjusting the other; e.g.,
increasing screen brightness may require changing contrast for optimum viewing.
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