Bolt VS-570SMI Wireless TTL Flash for Cameras - Manual (Page 15)

Turning on the Flash and Firing a Test | 15
Turning on the Flash and Firing a Test
To turn the flash on, simply slide the power switch to the On position.
When the flash is ready to fire, the Ready light will glow red. 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 Ready light / Test button.
Automatic power-saving function: After 3 minutes of inactivity, the flash will automatically enter power-
saving mode to conserve battery life. The LCD will display a single OFF indicator, and the Ready light will turn
off. To reactivate the VS-570, simply press any button on the control panel, or tap your camera’s shutter-
release button. During long periods of inactivity, it is recommended that you use the power switch to turn the
flash off completely.
LCD illumination: When a button is pressed, the LCD will be illuminated for about 5 seconds.