The meaning of [Sound signal]
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