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When power is connected, the unit will start its boot up sequence, which takes approximately 60 to 90
seconds. During the boot up sequence the front green LED for each respective USB port will light up and
turn off sequentially multiple times. After all the USB ports have finished the boot process successfully, all
the LEDs for all USB ports will stay lit. This indicates the ATOM-USB is now functional.
Figure 3. ATOM-USB Standby Mode
Connecting Video Signals
The ATOM-USB is designed to accept HD-SDI signals with embedded audio. 2.97 GHz and 1.475 GHz
HD-SDI signals (Level A) are supported. Using 75ohm BNC video cables connect your source to the
respective input(s) located at the rear of the unit. Outputs are provided allowing you to send the signal to
a monitor or loop out to another input,
Figure 4. ATOM-USB SDI Inputs and Outputs
Operation
ATOM-USB encompasses front panel push buttons that are used to operate the unit. ATOM-USB is
designed to be very simple to operate and will provide very reliable recordings when the correct button
operation is used. Incorrect operation may compromise the unit’s reliability.
USB Drives
Depending on your unit’s model, ATOM-USB can be equipped with up to five USB 2.0 ports allowing for
the connection of high quality, high speed USB 2.0 flash drives. It is essential that the USB 2.0 flash drives
have the ability to sustain record data rates of 20MB/s or faster. Using slower USB flash drives will
compromise the recordings with the possibility of dropped frames and/or asynchronous audio.
Please verify your USB 2.0 flash drive’s performance before using the USB. While manufacturer’s
performance data is widely available, it is recommended that you check the performance by visiting a
USB benchmark website or run your own test using a USB speed test application such as
FlashBench .