Idiomas disponibles
Idiomas disponibles
This may lead to the signal wave
being weakened or even cancel-
led out by the reflected wave.
- Metallic objects reduce the range
due to the shielding effect of the
metal.
- Particularly in towns and cities,
there may be many other sources
of radio waves which can disrupt
the original signal.
- Having units operating at similar
frequencies located close to one
another may also result in mutual
interference.
Power failure backup
The battery can provide backup
power for a mains power outage of
up to 72 hours. All functions are
available during this period.
Flat battery indicator
If the pager LED lights up without a
lisa signal the battery voltage is too
low.
Symptom: Flat battery indicator
(Pager LED) lights up permanently.
Cause: Power supply unit isn't
connected to the lisa RF time
battery is faulty - replace battery
with a new one.
Attention: Use only a NiCd battery.
After the unit has been disconnected
from the mains supply for several
months it must be plugged into the
mains supply for several hours befo-
re the unit will function reliably on
batteries again.
12 English
Maintenance and care
The lisa RF time does not require
any maintenance. If the unit does
become dirty, simply wipe it clean
with a soft, damp cloth. Never use
spirits, thinners or other organic sol-
vents. Do not set up the lisa RF time
where it will be exposed to full sun-
light for long periods. In addition, it
must be protected against excessive
heat, moisture and severe mechani-
cal shocks.
Note: This product is not protected
against splash water. Do not place
any containers filled with water,
such as flower vases, or anything
with an open flame, such as a lit
candle, on or near the product.
Warranty
The lisa RF time is a very reliable
product. Should a malfunction occur
despite the unit having been set up
and operated correctly, please
contact your dealer or the manufac-
turer directly. This warranty covers
the repair of the product and retur-
ning it to you free of charge during
the warranty period. It is essential
that you send in the product in its
original packaging, so do not throw
the packaging away. The warranty
does not apply to damage caused by
incorrect handling or attempts to
repair the unit by people not authori-
zed by Humantechnik to do so (do
not break the seal on the unit).
