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Chapter 1 Before you begin
1.1 Note and Warning
-
747ProS uses + Lithium-Ion battery. If 747ProS is used in temperature lower than -10 C°
or higher than 60C°, its battery charging capability will decrease. Please leave the
747ProS far from heat or high temperature environment. In addition, do not expose your
747ProS in temperature higher than 140 F°/60C°. If you do not follow these rules, the
battery inside 747ProS may overheat, explode or burn itself, and this will lead to very
serious damage. The + Lithium-Ion battery inside the 747ProS should be recycled.
- For a long period not using 747ProS, take out the battery and store it in dry/cool places.
- For safety, keep the 747ProS and all accessories out of children’s reach.
- The manufacturer assumes no responsibility for any damages and loss resulting from the
use of this manual, or from deletion of data as a result of malfunction, dead battery, or
from misuse of the product in any way.
- Use only the supplied and approved accessories. Unauthorized accessories, modifications
or attachments could damage the 747ProS, and may violate regulations governing radio
devices.
- Use a dry, clean soft cloth to clean the unit. Do not use harsh cleaning solvents,
chemicals, or strong detergents.
- Do not attempt to open the 747ProS yourself. Unauthorized hacking may damage the
unit, and void your warranty.
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