Environment And Condition Of Use; About Transceiver - Alinco DR-638H Instruction Manual

CAUTION

Environment and condition of use:

Do not use the product in proximity to a TV or a radio. It may
cause interference or receive interference.
Do not install in a humid, dusty or insufficiently ventilated
place. It may result in electric shock, fire and/or malfunction.
Do not install in an unstable or vibrating position. It may result
in electric shock, fire and/or malfunction when/if the product
falls to the ground.
Do not install the product in proximity to a source of heat and
humidity such as a heater or a stove. Avoid placing the unit in
direct sunlight.
Do not modify, dismantle, incinerate, or immerse the batteries
that may be used in accessories you use with this product.
Please check your local regulations for details on recycling
option or disposal of the batteries in your area.

About transceiver

Do not connect devices other than specified ones to the jacks
and ports on the product.
It may result in damage to the devices.
Turn off and remove the power-source (AC cable, DC cable,
battery, cigar-cable, charger adapter etc) from the product
when the product is not in use for extended period of time or in
case of maintenance.
Use a clean, dry cloth to wipe off dirt and condensation from
the surface of the product.
Never use thinner or benzene for cleaning.
About power-supply
Use only reliable power supply of specific DC output range and
be mindful of the polarity of the cables and DC jack.
Always turn off the power supply when connecting or
disconnecting the cables.
When using an external antenna, make sure that the antenna
ground is not common with the ground of the power supply.
European users: When a transceiver is powered from an
external DC power source (adapter, power supply, cigar-plug
etc), make sure that this power supply has approval to the
level of IEC/EN 60950-1.
WARNING