Canon Speedlite Transmitter ST-E2 Instruction manual - Page 15

6. Applications Even with a wireless multi-flash system, you can use high-speed sync (FPflash), FE lock, and flash exposure compensation in the same way as with a camera-attached 650EX. Wireless high-speed sync (FP Wireless F E lock flash) - Flash exposure compensation Flash exposure compensation can be set with the camera. Wlrelchs manual flash - Wireless manual flash can be fired by settlng the slave to single-slave or manual flash Wlreless repeating flash Wireless repeating flash can be used when the slave has been set to slngle-slave or repeat~ngflash For detalls, see the 5.50EXts Instruct~ons After setting the wireless singleor multi-flash setup, just set the ST-E2's high-speed sync button to < 5~ >. This enables wireless highspeed sync. The slaves need not be touched at all. After setting the wireless single- or multi-flash setup, just press t h e c a m e r a ' s < FEL > b u t t o n t o enable wireless FE lock. 39:\ I / The ST-E2 can transmit wireless signals only toward the front. Therefore, the slaves cannot be positioned behind the camera. Otherwise, they will not be able to pick up the ST-E2's wireless control signals. However, with Off-Camera Shoe Cord 2 (sold separately), the ST-E2 can be positioned away from the camera and face any direction for wireless transmission.