LVP615D series user manual
Chapter 4: Front panel and remote control instructions
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4.1.10 remote control sensor: built- in infrared receiver.
4.1.11 remote launch window: built-in infrared transmitter.
4.2 Remote control operation instructions
4.2.1 Open the battery compartment on the back of the remote control,
make sure the battery effective contact
4.2.2 Please aim remote control to the sensor area of LVP615D, if
there is obstacle between them, LVP615D may not receive
command.
4.2.3 To make sure remote control has a good performance. If found
improper operation, please replace new battery immediately.
4.3.3
Batteries shall not be exposed to, such as sunlight, fire or
the like overheated environment.