Install a 312 hearing device battery
1. Remove yellow protective tab from battery
2. Open the battery compartment by placing your
fingernail under the edge of the door and
gently pull outward.
3. Insert battery into slot so the + side of the
battery is up and then close the door
Wearing the
unit
1
.Start by gently in-
serting the tip into your
ear canal. Never push
so far that it becomes
painful as this can
cause severe damage
to your ear.
2. Once placed then wrap the tail inside of the outer part of your
ear. Then tuck the device itself comfortably behind your ear.
3.
After you have positioned the instrument correctly it should
look like the picture.
Care and Maintenance
Do Not immerse your instrument in water
Do Not use in the shower or other wet environments
All tips and device should be cleaned regularly
Gently soak the tips in warm soapy water then wipe with a
dry cloth
Keep tubing free of ear wax
Cleaning
1. Remove the tip by gently pulling it out of the
unit. Be sure to support the unit between two
fingers. Insert the cleaning tool into the tubing
as shown this will push out any foreign matter.
Remove cleaning tool, gently wipe with clean
dry cloth.
2. With a clean dry cloth wipe off the outside of the
case
3.
After cleaning tube reinstall by pushing back on
the devic
e
Using the Telephone
You may use the telephone in a normal man-
ner. If you experience a whistling sound
(feedback), tilt the phone receiver away from
your ear and \ or reduce the volume until the
whistling stops . By trying various positions of
the telephone receiver you will discover what
works best for you
After selecting the
proper length tubing,
hold as shown
Insert into the ear
canal as shown
Inserting Tubing:
After selecting the proper length tubing. Install it on the device
as shown. It will push all the way into the device as shown.
Removing the tube is as simple as holding the device firmly and
pulling the tubing out.
Volume
Low Cut
High Cut
The Green trimmer is for low cut rotate counter
clockwise to reduce low frequencies.
The Yellow trimmer is for high cut ,rotate counter
clockwise to reduce high frequencies.
The black trimmer is for Volume control rotate
clockwise to increase the volume.
