To act ivate the unit, slide the powe r switch to
the ON position. While the capacitor is charging, you will hear a soft whining sound which de- creases in volume as the speedlight unit becomes fully charged. The ready-light indicates that the unit is ready to fire. Select the appropriate f/number on the speedlight. Next, set the camera lens at the same f/number, compose, focus and press the shutter-release button on the camera. The speed light automatically determines the correct flash intensity as long as the subject remains within the shooting range of the f/number indicated on the speed light.
Note: Be sur e to slid e the power switch to the OFF position when you are not using the flash unit .
Ready-Light/Open Flash Button
The ready-light doubles as the open flash button. To activate, push down on the trans- parent ready-light. The open flash is used for test-firing. It is a lso used for firing with the shutter held open at the B setting for strobe effects, etc.
Caution:
(1)To create "stroboscopic" effects, in which the flash is fired independently with th e shutter held open at "B," the 5B-10 must be disconnected from the FE. Otherwise, the open-flash button will not work, and the flash uni t cannot be fired.
(2)Remember that even before comp letion of charg- ing, the ready-light glows. If the speed light fires immediately after the lamp lights up, pictures
