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G4-508HD4a User Manual & Install Guide
Dual Stream
Configuring the G4-508HD4a
Copy To
Record Storage
However, for critical video (where detail must not
be lost), and which also has a lot of fast
movement, CBR is the better choice, as VBR would
tend to introduce motion artefacts (jaggedness
and blurriness) into the encoded video as the
encoder attempts to keep up with the quick
changing video scenes by continuously adjusting
the bit rate.
For optimal recorded video quality, Gatekeeper
Systems recommends the use of the CBR setting
throughout.
DEFAULT SETTINGS:
For all channels (1 to 12), set the following:
CBR
§
This feature allows you to easily copy the
configuration settings on this channel to another
selected channel. Use the drop list to select a
channel – then clicking the ( Copy ) button will
replicate all the current settings to the selected
channel.
Radio buttons that allow you to select the dual
stream record storage from a choice of:
Internal SD
§
External SD
§
Whilst the device records the video to the HDD as
the primary storage, this setting allows you to also
record the video simultaneously to a secondary
storage medium.
The secondary storage can be an SD Card which is
inserted into the device's SD Card slot, or an
external SD Card storage which is connected to
the device via USB.
Gatekeeper Systems provides a ruggedized
external SD accessory called the FireBox, which is
shock and fire-resistant, to keep a copy of your
data safe in case of a vehicle crash or other
catastrophic event, so that video of the incident
can be retrieved for post mortem analysis. Please
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