MedRx Avant Polar HIT
AH-I-MPHITU-3 – Effective 05/31/2011
16
Performing Polar Plot Testing (Automated Directionality Test)
The MedRx Polar HIT system uses a unique rotating base to allow the creation of Polar Plots of
directional hearing instrument sensitivity. Prior to beginning a Directionality test, place the
hearing instrument in the Test Chamber as described in the
Preparing for Testing
section of this
guide.
1. Select
Directionality
from the list and press
Start
, Directionality
test gauge is shown indicating current position inside the box.
2. Press
Test
and wait for the test to finish. The test is performed
automatically. Target and current positions are shown in real time
during the test execution.
Note:
Functionality described above is only available for HIT boxes equipped with automated
rotational table. For HIT Box with manual table follow the
Manual Directionality Test
.
The Directionality Test helps to verify directional characteristics of hearing aids.
The procedure of the test depends of the type of the HIT box:
•
For HIT boxes with automated rotational table, follow the
Automated Directionality Test.
Summary of Contents for Avant Polar HIT
Page 1: ...USER MANUAL...
