Bolt VB-22 Bare-Bulb Flash - Manual (Page 23)

Repeat Mode | 23
For example: if the number of flashes per frame is 10, and the frequency of the flash is 5 Hz, then:
Therefore, the shutter speed should be 2 seconds.
Different flash power levels allow different amount and frequency combinations. For more information, see
Repeat Mode Reference Chart on page 31.
10 flashes per frame
5 HZ
=2
M
S
1
S
2