Sony HVL-F36AM - Manual (Page 10)

10
Checking Batteries
The lamp on the control panel comes on or blinks when the batteries
are low.
lamp on
Changing the batteries is
recommended. The flash can still be
used in this state if (Flash-ready
lamp) on the rear of the unit is lit.
Only lamp blinking
Flash cannot be used.
Insert new batteries.
• If nothing comes on when the flash ON/OFF button is pressed, check
the orientation of the batteries.