Alinco DR-B185HT Instruction Manual page 7

„ 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