User Manual for CEN102HD
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5.
REFERENCE APPENDIX
5.1. STORAGE CAPACITY CALCULATION
1) Image Quality & Streams
2) Record File Size Calculation
Rec. file size for each channel is:
Recording time (s) x Stream (Kbps) / 8 / 1024 = File Size (MB)
e.g. The file size of the Image 1 with D1 resolution within 1 hour:
3600 x 2048 Kbps / 8 / 1024 = 900 MB
3) Image Quality & Resolution
5.2. FREQUENTLY ASKED QUESTIONS
1) The system
can’t start?
Usually this problem results from the incorrect power connection. Please follow below steps to
check the power connection:
1. Check the input power, whether the power wire is connected correctly, whether the ground wire is
connected back to the battery, and whether the fuse on the power wire is in good condition.
2. Check whether the ACC signal wire input to the power is with voltage higher than 7 V.
3. Check whether the device key is closed.
Image
1
2
3
4
5
6
7
8
Stream
(Kbps)
D1
2048
1536
1230
1024
900 800
720
640
HD1
1280
960
768
640
560 500
450
400
CIF
800
600
480
400
350 312
280
250
Image
Quality
1
2
3
4
5
6
7
8
Reso
lution
D1
900
675
540 450 395 351
316
281
HD1
562
422
337 281 246 219
198
176
CIF
351
264
211 176 153 137
123
110
