Panasonic RX-DT650 - Manual (Page 7)

Concerning the Remote CoMnot:
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Battery installation
Insert the batteries in the correct polarities (©, ©).
Use of batteries
Do not mix old and new batteries, or batteries of different types
(manganese with alkaline, etc.).
Always remove old, weak or worn-out batteries promptly and dispose
of them properly.
Never subject batteries to excessive heat or flame; do not attempt
to disassemble them; and be sure they are not short-circuited.
If the unit is not to be used for a long period of time, remove the
batteries and store them in a cool, dark place.
If a battery teaks, remove all batteries and dispose of them properly.
Thoroughly clean the battery compartment before inserting new
batteries.
If the electrolyte comes into contact with skin or clothes, flush with
water immediately.
Keep batteries out of reach of children.
Do not use rechargeable (nickel-cadmium) type batteries.
Do not attempt to recharge alkaline or manganese batteries.
Remote control unites operation range
Remote Control Signal S ensor (REMOTE SENSOR)
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Face about 7 meters in front of the sensor.
How to use the remote control unit properly
• Do not place obstacles between the remote control signal sensor
and remote control unit.
• Do not expose the remote control signal sensor to direct sunlight
or to the bright light of an inverter fluorescent light.
• Take care by keeping the remote control signal sensor and the
transmission window free from dust.
To prevent malfunctioning of the remote control unit:
• Do not disassemble or reconstruct the unit.
• Do not place heavy objects on top of it.
• Do not leave it where it will be exposed to direct sunlight.
• Do not spill beverages or other liquids over it.
Battery Ufe
The batteries life is about one year.
Although the battery life varies depending on how often the device
is used, the batteries should be replaced about once every year on
the average.
The batteries should be replaced if commands from the remote
control transmitter do not operate the unit even when the transmitter
is held close to the front panel.