pro master FL190, User Manual, Page: 20 / 40

18
Sound Meaning Operation
Beep Twice
The flash has been Normal
turned on and is ready
for normal operation.
Beep Three Times The flash is charging. Wait for the charging
to be complete.
Beep Three Times Possible under exposure Adjust the exposure
Twice compensation or change
the shooting conditions.
Beep Beep Beep Possible over exposure Adjust exposure setting or
shooting condition.
Quick Continuous Beeps Low battery power Please replace the batteries.
Long Beep The flash is fully charged Normal
and ready to fire.