Canon SPEEDLITE EL-1 Advanced User's Manual page 116

Scanning and Setting the Sender Unit Transmission Channels
You can scan the radio reception status and set the sender unit's transmission channel
automatically or manually. When the channel is set to "AUTO", the channel with the best
reception signal is reset automatically. When setting the channel manually, you can reset
the transmission channel while referring to the scan results.
Scanning when "AUTO" is set
1.
Press the <
2.
Run the scan.
• Press the joystick up, down, left, or right, or turn <
< >, then press the joystick vertically.
• Choose <
• The scan is performed, and the channel with the best reception
signal is reset.
> button.
>.
116
> and select