Promax FA-665B, Руководство пользователя

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6 July 2016
CAUTION : This unit has excellent protection function, 5 V output has reliable
protection for current-limit and short. The two adjustable outputs
have current-limit protection. As there is controlling circuit for
regulating transistor's power loss in the circuit, when short-circuit
occurs, the power loss on large power transistors is not very high,
it can't cause any damage to the unit. But there is still power loss
when short-circuit, in order to reduce aging and energy
consumption, so this situation should be found as soon as
possible and turn off power, then exclude the faults.
When operating is finished, put it in a dry place of good
ventilation, and keep it clean. If it is not in use for a long period,
pull off the power supply plug for storage.
For maintenance, input voltage must be cut off.