HumanTechnik lisa A-2417-0 Mode D'emploi page 15

Troubleshooting and solutions
Symptom
The receiver does not
work.
There is no alert tone.
The transmission range
is reduced.
Cause
The batteries may be
inserted incorrectly.
The batteries are
depleted.
The receiver is out of
transmission range.
Mode selector switch is
on position 2
Metal structures and other
building materials can
reduce the trans-
mission range.
Interference from other
devices
Walls and ceilings reduce
the range.
Low battery charge
reduces the range.
Solution
Ensure the correct polarity of
the rechargeable batteries!
Connect the receiver to the
power supply.
Try using the transmitter or
receiver at a different location.
Check the position of the switch
(9) on the rear of the receiver.
Ensure that the volume is not
set to the lowest setting. Rotate
the control clockwise to turn up
the volume
If possible do not mount the
transmitter or receiver near or
on metal parts.
Avoid setting up the »lisa«
devices close to mobile phones
and display screens.
Reduce the distance between
transmitters and receivers or
try a different position for the
devices.
Charge the batteries by
connecting the power supply
unit.
English 15