Wireless Settings

Set the sender and receiver for radio transmission wireless flash photography with E-TTL II / E-TTL autoflash as follows.

Setting as Sender

  1. Select Wireless / linked shooting setting with the joystick.

  2. Set to Radio transmission wirelessSENDER.

    • Press the joystick vertically or horizontally or turn Select dial to select Radio transmission wirelessSENDER, then push the joystick straight in.
  3. Select the firing method.

    • Push the joystick straight in.
    • Press the joystick vertically or horizontally or turn Select dial to select item (1), then push the joystick straight in.
    • Press the joystick horizontally or turn Select dial to choose from ALL, A:B, or A:B C, then push the joystick straight in.

Setting as Receiver

  1. Set to Radio transmission wirelessRECEIVER.

    • Configure this setting on Speedlites to use as receivers.
    • Select Radio transmission wirelessRECEIVER just as you set up the sender.

Caution

  • Before normal flash photography, select WIRELESS OFF to clear the wireless (sender/receiver) settings.

Setting the Transmission Channel / Wireless Radio ID

Set the sender's transmission channel and wireless radio ID as follows. Set the same channel and ID for both the sender and receivers. For receiver instructions, refer to the instruction manual of Speedlites equipped with radio transmission wireless receiver functionality.

Caution

  • Set different wireless radio IDs for each channel, because interference between systems with Speedlites controlled by radio transmission may occur even if the units are set to different transmission channels.
  1. Push the joystick straight in.

  2. Select item (1).

    • Press the joystick vertically or horizontally or turn Select dial to select the channel item, then push the joystick straight in.
  3. Set a transmission channel.

    • Press the joystick vertically or horizontally or turn Select dial to choose from AUTO or channels 1–15, then push the joystick straight in.
  4. Select item (2).

    • Select the ID item just as you set the transmission channel, then push the joystick straight in.
  5. Set the wireless radio ID.

    • Press the joystick horizontally or turn Select dial to select the position (digit) to set, then push the joystick straight in.
    • Press the joystick vertically or turn Select dial to select a number in the range 0–9, then push the joystick straight in.
    • Set a 4-digit number the same way, then select OK.
    • The LINK lamp is lit in green when communication is established between the sender and receiver.

Scanning and setting sender transmission channels

You can scan radio signal conditions and then set the sender transmission channel automatically or manually. Setting the channel to [AUTO] will automatically reset the Speedlite to the channel with the strongest signal. When setting the channel manually, you can review scan results as you reset it.

  • Scanning when currently set to [AUTO]

    1. Press the SUB MENU button.

    2. Run the scan.

      • Press the joystick vertically or horizontally or turn Select dial to select SCAN, then push the joystick straight in.
      • Select OK.
      • The scan is performed, and the setting is reset to the channel with the strongest signal.
  • Scanning when currently set to a channel (1–15)

    1. Press the SUB MENU button.

    2. Run the scan.

      • Press the joystick vertically or horizontally or turn Select dial to select SCAN, then push the joystick straight in.
      • Select OK.
      • The scan is performed, and a graph of signal conditions is displayed.
      • Higher peeks in the graph indicate stronger signals.

    3. Set the channel.

      • Push the joystick up / down / left / right or turn Select dial to select from Ch.1 to 15.
      • Push the joystick straight in to set the channel.

LINK Lamp and Connection Indicator

You can determine the connection status from the state of the LINK lamp or the icon on the LCD panel.

Status Description Action
Lit Connected
Off Not connected Check the channel and ID
Off Too many units Do not exceed 16 senders and receivers, combined
Off Error Restart the senders and receivers
Lit Connected*1
Lit Connected*2

1: When the sender side is connected to the sub-sender

2: When the sender side is connected for linked shooting

Display Description Action
Sender wireless connection / Receiver wireless connection Connected
Sender wireless not connected / Receiver wireless not connected Not connected Check the channel and ID
Sender unit wireless error / Receiver unit wireless error Too many units Do not exceed 16 senders and receivers, combined
Error Restart the senders and receivers
SUB SENDER Connected*1

1: When the sender side is connected to the sub-sender

Caution

  • Receivers do not fire unless the sender and receiver channels match. Set both to the same number, or set both to [AUTO].
  • Receivers do not fire unless the sender and receiver wireless radio IDs match. Set to the same number.

Sender Flash Firing On / Off

You can set whether the sender fires along with the receivers it controls wirelessly. When sender flash firing is enabled, the sender fires as firing group A.

  1. Push the joystick straight in.

  2. Select the item shown in (1).

    • Press the joystick vertically or horizontally or turn Select dial to select the item, then push the joystick straight in.
  3. Set sender flash firing.

    • Turn Select dial to enable or disable sender flash firing, then push the joystick straight in.
      • Sender flash firing ON: Sender flash firing ON
      • Sender flash firing OFF: Sender flash firing OFF

Memory Function

You can save the wireless settings to the sender unit and receiver unit and recall the settings later. Operate each sender or receiver unit individually to save or recall its settings.

  1. Press the SUB MENU button.

  2. Select MEMORY.

    • Press the joystick vertically or horizontally or turn Select dial to select MEMORY, then push the joystick straight in.
  3. Save or load the settings.

    Save

    • Press the joystick horizontally or turn Select dial to select SAVE, then push the joystick straight in.
    • Press the joystick horizontally or turn Select dial to select OK, then push the joystick straight in.
    • The settings are saved (stored in the memory).

    Load

    • Press the joystick horizontally or turn Select dial to select LOAD, then push the joystick straight in.
    • Press the joystick horizontally or turn Select dial to select OK, then push the joystick straight in.
    • The settings that were saved are set.