Canon Wireless File Transmitter WFT-E4 II A - Manual (Page 78)

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Connecting External Media
Before unplugging external media from the USB port, always select [Disconnect] as shown in
step 5. Follow the instructions displayed to terminate the connection.
The connection will not be terminated if you simply turn off the camera and external media. If
you unplug external media while the connection is still active, plug the external media into the
USB port again and follow the preceding steps to terminate the connection.
External media is powered via the transmitter’s USB port as needed. However, external hard
disk drives may not work after connection in some cases.
Power Management
If you will not use a wireless or wired LAN at the
same time as the external media, set
[Communication mode] to [Disconnect]. The
battery drains faster under settings other than
[Disconnect] because power saving is disabled.
Setting [Power saving] to [Enable] enables the
power supply to external media to be stopped
automatically, conserving the battery. Power is
supplied again automatically during shooting,
when captured images are stored.
Unplugging External Media from the USB Port
Power Supply to External Media
Before shooting movie, set [Power saving] to [Disable] and make sure the transmitter’s <USB> lamp
is lit in green. If you start shooting movie when the <USB> lamp is out or blinking, the movie may not be
recorded to external media.
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