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generated in the circuit, which could damage the headphones. The DC protection
function
effectively
safeguards
against
such
abnormal
conditions.
If
a
DC
protection pop-up appears, try turning off the AC power supply and then turning it
back on to restart the K15. If the issue persists, please contact customer service for
factory repair.
(3)Temperature Protection: The K15 has a built-in temperature detection circuit.
When
the
device
overheats
and
reaches
the
protection
temperature,
an
over-temperature protection alert will appear. In this case, please power off the K15
and let it rest for a while. Once the temperature has slightly decreased, you can use
it again.
(4)AC Fuse: The K15 has a built-in fuse above the AC power socket, as shown in the
diagram. If the device shows no response when plugged in and powered on, check
whether the fuse has blown. If so, you can replace the fuse yourself. The fuse
specification is 250V 0.5A.
12. Firmware Upgrades
introduction
36