Bolt VS-570SMI Wireless TTL Flash for Cameras - Manual (Page 7)

Overview | 7
Overview
1. Flash head
2. Reflector panel
3. Diffuser panel
4. Battery compartment cover
5. Wireless sensor (optical)
6. Mounting foot
7. Mounting foot lock
8. Mode button
9. Up button
10. Down button
11. Zoom position button
12. Ready light / Test button
13. Power switch
14. Automatic exposure
confirmation light
15. Flash head position indicator
16. LCD
17. External power socket
18. PC sync socket
19. Firmware upgrade socket
20. AF assist/Wireless ready
indicator light