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Remote TTL Flash Sleep Mode

Normally your ControlTL transmitter tells all remote TTL flashes to sleep when the camera sleeps. This saves batteries in the remote flash but could cause the flash to take a moment to be ready before the next trigger. Enable this control to have your ControlTL transmitter wait to tell all remote E-TTL II flashes to sleep until a time after the camera sleeps. This control can be independently over-ridden by a remote flash using

Remote TTL Flash Sleep Delay

Sets the number of seconds after the camera sleeps (meters go inactive) when remote TTL flashes will go to sleep.

Local Flash Sleep Mode (FlexTT5 Only)

If you are using a standard transmitter like a Plus or MultiMAX, the sleep command is never issued and the remote flash mounted on the FlexTT5 would always remain powered on. Enabling this control causes the FlexTT5 connected flash to remain awake for a set period after any radio activity, then enter its sleep mode for power saving. This control overrides Remote TTL Flash Sleep Mode.

Local Flash Flash Sleep Delay

Sets the number of seconds after the camera sleeps (meters go inactive) when a locally connected flash will go to sleep.