9. Sound signal
When the sound signal is enabled, the flash will give different sounds to indicate its
working situations. The meanings of the sounds can be found in the table below:
Sound
Meaning
Operation
2 beeps
a. The sound signal is enabled;
b. The flash is started;
Normal
3 beeps
The flash is in the charging state
Waiting for the
completion of
charging
4 beeps
The sound switch is now disabled
Normal
Continuous beep
There is insufficient power and
the flash will turn off
Replace the batteries.
A long beep
The flash light is fully charged,
and can be used.
Normal