*Subject to change without notice Atomos Sumo19 – User Manual Edition 1: September 2017 7
What you also need
File Recovery
• Your Sumo19 is able to detect when the drive is under stress and it
will recover from any break in a recording by waiting until the drive is
ready to continue, and then resuming from that point. If frames have
beendroppedbecauseofshockorvibration,a“Skippy”Kangaroo
symbol will appear on the home screen on the Sumo19, in the top
left hand corner of the display. This means that you will not normally
have to restart the Sumo19, even if a recording has been interrupted
by mechanical disruption to the disk drive. (see Monitoring and
Recording : Anti-shock technology for more information)
Taking into account most usage scenarios, we think that mechanical
disks will be suitable in the majority of cases when recording up to
1080p30 HD. Spinning disks are most sensitive when they are rotating.
It is obviously best to avoid dropping them but many disks now have a
“dropdetector”thatwilllockthemostfragilemechanicalpartsinplace
and protect them from surprisingly hard knocks. We recommend that
if you want to experiment with this, you do so with a drive that doesn’t
contain the day’s shoot!
Backing up and archiving
Remember that no storage medium, including tape, optical disks, spinning
disksandashmemory,iscompletelyimmunefromfailure.
You should bear this in mind when deciding how to manage your recorded
content. At the very least, you should consider the consequences for you
and your business if your storage medium were to suffer from a sudden
failure, and you should back up your content accordingly. Hard drives
that you can use for archiving are becoming increasingly affordable. You
mayndthatitiscompletelyfeasibleforyourtokeepyourmasterSumo19
disks on a shelf (just like tapes!), and, as a backup, store copies on large
hard drives, RAID arrays, Network Attached Storage (NAS) or LTO.
4K SDI cables (not included)
SDI cables are robust physically and electrically: you should rarely have
problems with signal transmission unless your cables are either damaged
or too long. Please remember that SDI cables use locking connectors and
will not simply pull out if they are jerked or tripped over. They are therefore
asignicanttriphazard,andalsoahazardtoyourequipment,whichmay
be damaged if the cables are mishandled or of a low grade. Please ensure
youtestandcheckyourSDIcablesfor4K,forlongerrunscablesofa
Belden1694Aspecicationarerecommended.
HDMI cables (not included)
HDMI cables are robust physically and electrically: you should rarely
have problems with signal transmission unless your cables are either
damaged or too long.
Atomos make a range of Professional HDMI cables which are ideal for
connecting between your camera and Atomos device.
Not all HDMI cables are created equal and there are a variety of different
qualities available. Please make sure you test your cables prior to
shooting.
Also check your connectivity at both the camera connector and the
recorder/monitorconnectortomakesureyouhavearmconnectionto
avoid any signal drop out.
If the SDI / HDMI cable is removed while recording the “Skippy”
image will also be displayed. To remove touch Skippy and he will
disappear ready for his next notication.
Refer to page 35: Atomos Anti-shock technology for more
information about “Skippy”.
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General
Weight and Dimensions
