Canon Speedlite Transmitter ST-E2 Instruction manual - Page 3

Contents 1. Nomenclature ...22 2. Readying the ST-E2 ...2.3 3. Readying the 550EX (Slave Setting 25 4. Basic Wireless E-TTL Autoflash Operation 26 5. Wireless Multi-Flash E-TTL Autoflash Operation 29 6. Applications ...33 7. Troubleshooting ...34 Specifications ...35 Note All the operation instructions in this booklet assume that the ST-E2 and other relevant equipment a r e already turned on. Before proceeding, make sure the ST-E2 and other equipment are on. I I This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2) this device must accept any interference receivcd, including interlilrence that may cause undesired operation. Do not make any changes or modifications to the equipment unless otherwise specified in the instructions. If such changt.s or modifications should be made, you could be required to stop operation of the equipment. This equipment has been tested and found to conlply with the limits for a class B digital device, pursuant to part 15 16the FCC Rules. These limits arc designed to provide reasonable protection against harmful interference in a residential installation. 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 guarantec 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 encour;~g-ed 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. Consult the dealer or a n experienced radiolIli technician for help. 21