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APPENDIX
Other Questions
Why doesn’t the computer display work, or why can’t I access Window system?
The capture card may not be well installed. Unplug the card and try it again.
IMPORTANT! Please unplug the power plug of the computer before
re-installing the card to avoid damaging the motherboard chip set.
Why I can’t find the recorded files?
You do not have enough hard drive space available for recording.
Why is the screen’s display unstable with dithering and water-wave images?
Possible causes:
• Camera does not have enough power
• There is external electromagnetic disturbance, or electrostatic disturbance on camera’s
BNC connector. Use a shielded RG59 or RG6 cable.
• You may need to update the driver for the video card on the system.
• Problem with the video card. Try reinstalling the video card, or changing the video card.
Why does it delay playing back, and why is it slow to close and open the driver?
Possible causes:
• Problem with the Windows system. Try rebooting the computer.
• There are too many recorded files or too many fragments on the HDD, therefore it takes
time to search for the files, you need delete the files that you don’t need, or need to run
disk defragmenter.
• Capture card problem.
• Computer hardware system is too outdated (processor too slow, not enough memory, or
not enough free space on hard drive).
Why can’t I play back?
Windows Media Player has been damaged, or decoder has not been installed properly. It is
suggested you reinstall the player program or download a codec pack from K-lite
www.free-codecs.com/download/K_lite_codec_pack.htm or www.divx.com.
Computer problem, recorded files have been damaged. It is suggested to fix these files using
SuperAVIFix program.
Why do I see some gray blocks on time progress bar area when playing back?
Possible causes:
• User has deleted these recorded files.
• SuperDVR has deleted recorded file when recycling hard drive space.
• Recorded files cannot be opened because the recording is on.
Why could I see some old recording sections that weren’t available for play back?
Possible causes:
• You previously selected disk partitions different from the current partitions.
• Database of recorded log was damaged.
• You have installed SuperDVR on different directories.
VIDEO
FORMAT
RESOLUTION FRAME
RATE
(FPS)
VIDEO
QUALITY
BIT
RATE
(kbps)
SPACE
USED
(MB/h)
NTSC CIF 30 Highest 1000k 465
Higher 768k 297
Medium 512k 230
Low 384k 173
Lower 256k 115
Lowest 128k 56
D1 7.5 Highest 500k 228
Higher 375k 128
Medium 250k 117
Lower 192k 75
Lowest 128k 61
PAL CIF 25 Highest 1000k 466
Higher 768k 295
Medium 512k 235
Low 384k 175
Lower 256k 112
Lowest 128k 56.4
D1 7.5 Highest 500k 228
Higher 375k 128
Medium 250k 117
Lower 192k 75
Lowest 128k 61
The formula for calculating the required disk space is:
Total Recording Capacity = Used space per hour (MB/h) x Recording time (hour) x
number of channels
Example: A customer is using the NTSC format (30 frames per second), CIF resolution
with video quality set to Lowest and a total of 16 Channels. He wants the unit to record
continuously for a month. Therefore, the calculation will look like this:
56(MB/h), x 24 (hours/day) x 30 (days) x 16 (channels) = 645,120MB or 650GB
Installing a 750GB SATA hard drive should provide enough space for one month’s continuous
recording time at those settings.
How much hard drive space do the recorded files take up?
While the physical data capacity of a hard drive is fixed, how much video you can record upon
it depends on your recording configurations. Higher quality recordings will take up more space
on the drive and setting the DVR to record for more frequently will fill it up more rapidly.
To determine the optimal capacity for your purposes, the chart below to estimate the size of
hard drive that you’ll need.
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