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Operating Instruction
ERO•SCAN
®
Screening and Diagnostic Version
operating_instructions_8106556-6_EROSCAN_e_15a
13
8106556-5 02/15
8.2 How are the Results Stored and Reported?
When the ERO•SCAN
®
is set in its default settings, the instrument will store the results from
one patient (left and right ear) in its non-volatile memory for subsequent printing. However,
the ERO•SCAN
®
instrument is capable of storing up to 250 test results. The results are
displayed via the OLED on the front of the device and are stored in the device’s internal
memory. After testing is completed, results can be printed using the printer and/or exported
to a computer. Test results are stored in the non-volatile memory so the operator can delay
printing until a later time if desired.
8.3 Sensitivity and Specificity
Sensitivity and specificity of this type of device are based on the test characteristics defined
by the user, and may vary depending on environmental and operating conditions. The
presence of otoacoustic emissions suggests normal outer hair cell function, which in turn
correlates to normal hearing. However, a passing result using this instrument is not an
indication that the full auditory system is normal. Thus, a PASS result should not be allowed
to override other indications that hearing is not normal. A full audiologic evaluation should
be administered if concerns about hearing sensitivity persist. A REFER test result should not
be assumed to be an indicator of a lack of auditory function, however, it should be followed
with full audiologic diagnostic testing.