2
Environmental conditions
◇
Avoid using under the improper environment, such as: dirt, moisture and extreme
high/low temp. environment. Operation under the environment of below humidity 85%
can reach better efficiency.
◇
Close this interphone in the places sticking the notice that the interphone or mobile phone
is prohibited for using.
◇
Avoid extruding LCD with heavy force, if so, the LCD will be damaged.
◇
Please don’t use this interphone in the places with high humidity and much dirt.
Battery
◇
Avoid any conductor such as: jewelry, key or metal necklace to touch the end part of the
battery, if so, the conductor can cause short circuit and result in the battery is too hot or
exploding.
◇
If your product uses rechargeable battery(ies), charge the battery(ies) only in
accordance with the instructions and limitation specified in the User Manual.
Electromagnetic interference / Compatibility
◇
Can not change the transmitting frequency, expand the transmitting power
freely(including to fix transmitting frequency power amplifier additionally), and can not
connect the antenna outside or change to use the other transmitting antenna freely.
◇
Can not create harmful interference to all kinds of legal radio business when using. Once
the harmful interference is found, it must be stopped for using immediately, and it can not
be used continuously until the interference is eliminated by adopting measures.
◇
When using the public interphone, its communication quality will not be protected by the
radio management body, and should bear the interference created by the other normal
working radio business possibly.
◇
Prohibit to connect with the public telephone network, public mobile communication
network and other communication network.
◇
All the functions of
WT-558 have been preset before launched, except for
batteries, can not open the housing to change the electric circuit and components.
◇
Almost each kind of electronic device will be affected by the Electromagnetic
interference easily. In order to avoid interference, don
’t approach the electronic device
when using
WT-558.
AC-800 Pro,
changing
AC-800 Pro,
Summary of Contents for AC-800 Pro
Page 3: ...3 Buttons and Controls...