The ERO•SCAN OAE System is available in three configurations:
Screener, Standard and Combo.

Product Feature	ERO•SCAN Screener	ERO•SCAN  Standard	ERO•SCAN  Combo
DPOAE/TEOAE	DP or TE	DP or TE	DP and TE
Diagnostic (CPT)1 92588	N	Y	Y
Portable	Y	Y	Y
Printer Included	Y	Y	Y
Internal Probe	Y	Y	Y
External Probe	Y	Y	Y
Max.# of Test Frequencies or Bands Reported	4 DP 6 TE	6 DP 6 TE	6 DP 6 TE
Frequency Range	2-5 DP 1.5-4 TE	1.5-12 DP .7-4 TE	1.5-12 DP .7-4 TE
High Frequency DPs to 12 kHz	N	Y	Y
Default Pass/Refer	Y	Y	Y
# of Test Protocols	1	2	4
Memory (# tests)/Maximum	50	50	50
Tests All Ages	Y	Y	Y
Tests Patients with PE Tubes	Y	Y	Y
Automatic Self-Calibration in the Ear	Y	Y	Y
Requires Yearly Calibration	N	N	N
Customizable Test Protocols	N	Y	Y
Customizable Pass Criteria	N	Y	Y
Database Software (Cost Option)	Y	Y	Y
Printer Included	Y	Y	Y
Prints Numeric Data	Y	Y	Y
Prints Graphic Data	Y	Y	Y
Customizable Averaging Time	N	Y	Y
Date/Time on Print-Out	Y	Y	Y
Monitoring Headset	Y	Y	Y
OZ Compatible	Y	Y	Y
HI*TRACK Compatible	Y	Y	Y
Completely Isolated Printer "optional" (does not require external line source)	Y	Y	Y
Customizable Parameters (test characteristics)	N	Y	Y
P1 and P2 (DPs)	N	Y	Y
Freq. Range (DPs and TEs)	N	Y	Y
Average Time (DPs and TEs)	N	Y	Y
# Freq. Tested (DPs)	N	Y	Y
All test protocol changes can be made through OAE unit alone (Additional software and computer NOT required to change protocols)	Not Customizable	Y	Y
Cost of Disposable Eartips	$0.15	$0.15	$0.15
Y - Yes     N - No 1 Can bill for diagnostic DPOAE testing with this unit