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required. Check with the manufacturer of
the telephone equipment.
1. Plug the coiled cord (2.5mm) of the
MHA100 into your telephone’s
headset jack.
2. Plug the connector of the headset
into the 2.5mm jack of the MHA100.
3. The MHA100 is sound/voice acti-
vated. The unit will automatically
turn on and the RED LED will light up
when a call is made or received.
4. Adjust the volume control to best suit
your hearing. For best results, set the
volume of your phone to minimum or
near minimum before adjusting the
volume controls of the MHA100.
Note:
The RED LED will also blink to
indicate the amplifier has reached its
maximum volume limit.
5. The unit will turn off automatically
ten (10) seconds after the phone is
turned off or no sound is detected.
The MHA100 will automatically turn
on when there is sound activity de-
tected or a button on the cell phone
is pressed.
CAUTION:
If the MHA100 does not
turn off after ten (10) seconds and your