Nikon 50DX Instruction Manual - Page 26

Wireless Multiple Flash Operation-continued 6. Shoot following the same procedure as in normal TTL auto flash operation. • Flash operation can be confirmed with ready-light indication or beeping sound. Master flash unit Slave flash unit Ready-light Ready-light Sound monitor Speedlight condition Lights up Lights up Beeps once Ready to fire Lights up or Lights up or does not come on does not come on Beeps twice (not blinking) (not blinking) Fired properly Blinks Blinks Both master and slave flash units have fired at full output and light may have Beeps for approx. three sec. been insufficient (or too much) for correct exposure. Change the distance between Speedlights and subject or select another aperture and shoot again (p. 21). Lights up or does not come on (not blinking) Blinks Slave SB-50DX has fired at full output. The light sensor on the slave SB-50DX unit could not detect when to stop firing in sync with the master flash unit. This was because either the light sensor Beeps for approx. window was not directed at the master three sec. flash unit or a strong reflection from the slave SB-50DX itself or light from another slave flash unit may have entered the light sensor window. In this case, change the direction or position of the slave SB-50DX unit and/or other slave flash unit(s), then shoot again. Canceling sound monitor To cancel the sound monitor, press the ZOOM and + buttons simultaneously so appears in the LCD panel. To reactivate the sound monitor function, press the ZOOM and + buttons simultaneously again so disappears from the LCD panel and the sound monitor beeps twice. 50 Wireless Flash mode Pressing the SLAVE button on the SB-50DX for approx. 1 sec. activates the Wireless Flash mode. When using the SB-50DX as a master flash unit and attaching it to a camera body (other than Nikon digital SLR), appears in the LCD panel and Monitor pre-flashes (p. 27) are canceled. Monitor pre-flashes will not be fired even if the Automatic Balanced Fill-Flash with TTL Multi-Sensor (p. 25) is selected. If the SB-50DX is detached as it is, indication is replaced by or and you can use the SB-50DX as a slave flash unit. Do not leave the SB-50DX turned on in Wireless Flash mode When detached from a camera body, the SB-50DX may fire accidentally due to static electricity or electromagnetic noise if it is kept turned on in Wireless Flash mode. Make sure to turn the SB-50DX off when not in use. Canceling (preventing accidental) flash firing Raise the camera Speedlight detecting lever with your finger to prevent accidental firing in sync with other Speedlights. The SB-50DX will not fire while the lever is in the "up" position. 51 Technical Operation