Canon Speedlite Transmitter ST-E3-RT Instruction Manual - Page 25

Wireless Settings About the Lamp The color of the lamp changes depending on the transmission status of the master unit and the slave unit. Color Green Red Status Lit Lit Blinking Description Action Transmission OK - Not connected Check the channel and ID Too many units Master units + slave units = 16 units or less Error Turn the power off and on again If the transmission channels of the master unit and slave unit are different, the slave unit does not fire. Set both to the same number, or set both to "AUTO". If the wireless radio IDs of the master unit and slave unit are different, the slave unit does not fire. About the Memory Function You can save the wireless settings and recall the settings later. 1 Press function button 4. Press function button 4 to display . 2 Save or load the settings. Press function button 3 . [Save] Press function button 1 . X The settings are saved (stored in the memory). [Load] Press function button 2 . X The settings that were saved are set. 23