13
Using the telephone.
To prolong battery life, open battery
doors when instruments are not in use.
Store instruments in a cool, dry place
away from direct sunlight or heat.
Use a hearing aid dehumidier to help
keep your instrument dry. Remove
your instrument before performing
Care and Maintenance.
Bring the telephone/handset near
your ear and if you experience any
feedback/whistling, then gently rotate
the handset away from your ear
until the feedback stops. Adjust the
volume on your telephone for clarity.
Try dierent handset positions about
your ear for more volume.
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