4
Choose the sightline (0-1-2-3) on the measurement tool that is most
parallel with the top of the opening of the ear canal� In this example,
the sightline marked 1 would be the most accurate choice�
5
Make a note of the sightline chosen and then repeat steps 1-4 on the
opposite ear for a binaural fitting�
To measure for an accurate wire length.
1
Place your head at the same horizontal level as the patient’s head so
you are looking straight into the patient’s ear that you wish to fit with
the hearing instrument�
2
Hold the measurement tool with the appropriate blue or red color
code marking (for the left or right ear) with your thumb placed on
the ear diagram�
3
Place the measurement tool on the top of the ear and in contact with
the skin in the narrow gap between the head and the pinna� Keep the
horizontal line on the measurement tool horizontal and level�
0
1
2
3
0
1
2
3
0
1
2
3
Note: It is important to measure the opposite ear for a binaural fitting since right and left ear sizes can vary and thus, require different wire lengths.
6
Fitting guide.
Receiver-in-Canal (RIC).
