AEC206 Reference Manual
Ear Simulator and Preamplifier
2-3
2.2.1 Removing Artificial Pinna
Follow these steps to remove the pinna:
Step 1
Use the 2 mm hex driver to remove all four screws from the
ring.
Step 2
Remove the artificial pinna and the ring.
2.3 Ear Simulator and Preamplifier
2.3.1 Mated Pair
The preamplifiers and ear simulators cannot be interchanged. They are in
sets, or mated pairs. Each pair consists of one preamplifier and one
occluded ear simulator. Additionally, a left pair can only be used for the
left ear testing and the right pair can only be used for right ear testing. See
“Left and Right Identification” on page 2-1.
The AEC304 and 426M11 are mated to ensure correct calibration data
from TEDS. If devices are mixed then the calibration data provided by
TEDS will be incorrect.
Refer to the labels and certifications to know which items are paired
based on the serial numbers.
FIGURE 2-3
Paired Serial Numbers
AEC304 S/N 0139
For use with
426M11 S/N 495
426M11 S/N 495
For use with
AEC304 S/N 0139
Match
Match
