Bolt VX-760C Wireless TTL Flash for Cameras - Manual (Page 16)

16 | Turning on the Flash and Firing a Test
Turning on the Flash and Firing a Test
To turn the flash on, slide the power switch to the ON position.
Flash ready light: The flash ready light indicates the status of
your flash:
Color of flash ready light Status of VX-760C Operation
Green Flash ready Normal
Red Recycling Normal
Red for 20+ seconds Battery low Replace batteries
If the flash is mounted on your camera, a flash icon will also appear in the camera’s viewfinder.
To fire a test flash, press the PILOT button.