9
Inserting the batteries in the remote control
Make sure that the polarities are correct. There should be no large objects blocking the way
between the remote control and the DPA 300.
Under normal circumstances the remote control should be used within a range of 6 metres,
straight in front of the sensor and within a 30 degree range. To operate the device, direct the
remote control towards the sensor window. There must be nothing blocking the way between
the remote control and device.
If the remote control sensor is exposed to direct sunlight, it may lose its reception function. In
this case you should place the DPA 300 in a different location.
If the remote control is not working or operating ranges are becoming shorter and shorter, you
should check whether the remote control is still making contact or whether the batteries need
to be changed. Never use batteries of different types together, or new batteries with used
batteries. If the remote control is not going to be used for a while, remove the batteries in
order to avoid damage due to battery fluid leakage.
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