User manual CANON SPEEDLITE 380EX BROCHURE

[. . . ] When used with Type-B cameras (listed below), the 550EX works as a TTL autoflash unit. With Type-B cameras, some 550EX features are not available. Refer to the tables below to check your camera type and the features available. This Instructions booklet has separate sections for Type-A and Type-B cameras. [. . . ] · After pressing the shutter button halfway, test firing cannot be executed during the first 6 sec. * Custom Function CF-4 can change this to 10 minutes. ** Custom Function CF-5 can change this to 8 hours. See page 113. CF 59 [2] Wireless E-TTL Autoflash Wireless E-TTL autoflash with multiple Speedlite 550EXs can be used in one of two ways: (1) (2) OFF : All slave units fire at the same flash output. ON : Slave units with different slave IDs (A, B, or C) can be fired at different flash outputs to produce a flash ratio. · A flash ratio can be set only with the EOS-1D, 1V, 3, D60, D30, ELAN 7/7E, and 30/33. · With the EOS ELAN II/ELAN IIE, 50/50E, 300/REBEL 2000, 500N/REBEL G, 3000N/66/REBEL XSN, IX, and IX 7/IX Lite, a flash ratio cannot be set with the master unit. 1. Wireless E-TTL Autoflash With Flash Ratio OFF If no flash ratio is desired, the slave ID does not matter. All the slave units will fire at the same flash output. The E-TTL autoflash system controls the total flash amount automatically to obtain a correct flash exposure. G Master Flash ON + Slave Unit(s) 15 m / 49. 2 ft 10 m / 32. 8 ft For indoors 12 m / 39. 4 ft For outdoors 80° 8 m / 26. 2 ft 60 Wireless E-TTL Autoflash With Flash Ratio OFF following 1 Check for theLCD panel:icons on the master unit's · · · displayed not displayed displayed sure the master unit's 2 Make is lit and the slave unitspilot lamp are ready. 3 Press the pilot lamp to test the wireless transmission. 4 Focus the subject and take the picture. G Master Flash OFF + Slave Unit(s) 15 m / 49. 2 ft 10 m / 32. 8 ft For indoors 12 m / 39. 4 ft For outdoors 80° 8 m / 26. 2 ft 61 Wireless E-TTL Autoflash With Flash Ratio OFF following 1 Check for theLCD panel:icons on the master unit's · · · displayed not displayed displayed sure the master unit's 2 Make is lit and the slave unitspilot lamp are ready. 3 Press the pilot lamp to test the wireless transmission. 4 Focus the subject and take the picture. · The master unit can also be set for bounce flash. · Flash exposure compensation with slave unit C can be set up to ±3 stops in 1/3 or 1/2-stop increments. · The slave ID of the slave unit on the camera's left is A. · The slave ID of the slave unit on the camera's right is B. · The slave ID of the slave unit illuminating the background is C. · Master flash OFF is set for the master unit. · The camera (attached with the master unit) and three slave units are properly positioned for the subject. 1 On < the master unit, press the > button and select . · Pressing the < > button changes the selection in the following loop: (Off) > 2 Press the <A:B. button to select ON · ON A:B will blink. 3 Press the < to select · > button again ON A:B C. A:B C will blink. 67 Wireless E-TTL Autoflash With Flash Ratio ON 4 Press the < · blink. > button. (flash ratio bar) will A:B and > or 5 Press the < ratio. < the A:B flash > button to set · Press the < > button to move the flash ratio bar to the left, or press the < > button to move it to the right on the flash ratio scale. 6 Press the < 7 Press again. 8 Press again. · > button. A:B:C · The flash ratio bar and remain displayed. the < > button · The for A:B will blink. · To change the flash ratio, repeat steps 4 to 6. the < > button exposure C and the flash compensation display will blink. > or < > button to set 9 Press the <exposure compensation the flash amount for C. 68 Wireless E-TTL Autoflash With Flash Ratio ON < 10 Press the setting. register the > button to · The flash ratio bar and A:B:C remain displayed. [. . . ] This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. [. . . ]