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or is not displayed in the camera’s viewfinder
• Wait until your flash is fully recycled and your flash ready
indicator lights up.
• If the flash ready indicator lights up but or is not
displayed in the view finder, make sure that your flash is
securely attached to the camera hotshoe.
• If the flash ready indicator does not light up after a long
wait, check the batteries. If the battery power is low, the
icon blinks on your flash's LCD. Replace the batteries. See
Installing batteries
on page 9.
The power turns off by itself.
• If your flash is set as the master flash, it automatically turns
off after 90 seconds of inactivity. Press the camera shutter
button halfway or press any flash button to wake it up. To
turn off the auto power off function, see Power
management on page 11.
• If your flash is set as a slave flash, it automatically enters
sleep mode after 60 minutes (or 30 minutes) of inactivity.
Press any flash button to wake it up. To change the auto
power off time, see Power management
on page 11.
Auto zoom does not work.
• The camera flash is not attached securely to the camera.
Attach your flash securely to the camera. See Attaching your
flash to the camera on page 10.
The flash exposure is underexposed or overexposed.
• There was a highly reflective object (for example, a glass
window) in the picture. If you have a Canon flash, use the FE
lock to control the exposure. For more information, see
Locking the flash exposure (Canon only)
on page 15.
• You used high-speed sync. With high-speed sync, the
effective flash range is shorter. See Using high-speed sync
(Canon) on page 15 or Using high-speed sync (Nikon) on
page 16.
• Make sure that the subject is within the effective flash range
displayed.
• You used Manual flash mode. Set the flash mode to
Auto-flash (E-TTL (Canon) or i_TTL (Nikon)) or modify the
flash output. See Selecting a flash mode
on page 12.
Photos have dark corners or only parts of the target subject
are illuminated.
• The focal length of the lens exceeds the flash coverage.
Check the flash coverage you set. Your flash has a flash
coverage between 20mm and 200mm, which fits
medium-format cameras. Pull the wide panel out to extend
the flash coverage. See Setting the flash coverage in manual
zoom mode on page 38 and Using the wide panel to extend
the flash coverage on page 39.
Upgrading firmware
Your flash supports firmware upgrades through the USB port.
Update information will be released on our official website.
Contact Best Buy support to determine if an upgrade is available
and how to install the upgrade.
Note: You need a USB cable (not included) to connect to the USB
port on your flash.
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