HanRongDa HRD-747, Руководство по эксплуатации

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It is recommended to use a charging device with the output
voltage of DC5V/1A-3A to avoid damage to the lithium battery or
the device.
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When the lithium battery is not used for a long time, please take
it out and keep it separately. Charge it once a month.
•
Do not expose the product to rain, moisture, drips or splashes of
any liquid.
•
Do not keep the product near high temperature and heat source;
do not bake or blow it at high temperature.
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Do not expose the product to direct sunlight for a long time.
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Do not allow the product to fall or be hit. Do not apply heavy
pressure on it.
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Note: TV sets, computers, generators, electric motors and other
electrical equipment as well as other signal generators may also
interfere with signals received by the radio. Please keep a certain
distance from the above equipment when you use them.
•
The antenna of the product is a seven-section telescopic antenna
(the exposed part is 56CM). It is relatively long. Please do not bend
it and break it.
Instructions for button functions and operations
1. Install the cell
Open the battery cover and insert BL5C lithium battery correctly
according to its positive and negative polarity and then cover the
battery cover. After installing the battery, press any key to start the
backlight and display the time. After installing the battery, the radio
backlight will be turn on and show the time status.