Quote Originally Posted by Pinholemaster View Post
Better to switch the flash to manual to measure the flash with your meter. When set on 'Auto' the flash meter will not read the light the same way was the 'Auto' sensor.
Thats right, Pinholemaster , you don't need the auto function the flash from several flashes will effect all the thyristors present , set all the flashes on full power (manual) and use the flash meter to calculate the exposure.