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then remove the board. Then user can see the battery. Pay attention to protect
the cables and connectors during operation.
In order to ensure the endurance after a charge, the capacity of a single
battery should be greater than 3200mAh. Use the same model and batch of
batteries, and the voltage difference between the four batteries should be less
than 50mV before installation. Choose those batteries with excellent quality,
like qualified products from well-known manufacturers. In normal use, the
temperature of the instrument can reach 60°C; if used at the limit temperature
(55°C), the temperature of the batteries may exceed 80°C, and using inferior
batteries is dangerous in that situation. 4 batteries should be installed as soon
as possible to avoid unbalance caused by part of the batteries being
connected first.
Before reinstallation, make sure there is no misalignment of the RF port on
the circuit board, user can simple observe whether there is any gap between
the side of circuit and the shell. With any gap, user needs to reinstall correctly
and tighten it firmly.
To reinstall the PCB, install the screws on the board back but do not
tighten, install and tighten the thread and nut on the RF port, then tighten the
screws on the board, connect the cables, turn on the power to confirm
everything is working normally, then close the back cover.
2.5 Ports inside KC908
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