Hides DC-105 User manual

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DC-105
Quick Installation Guide
PACKAGE CONTENTS 2
POWER ON 2
CONNECT TO A DVB-T RECEIVER 3
ADJUST THE FOCUS OF THE LENS 3
CONNECT TO A CVBS MONITOR 4
MIC-IN 4
USB UART DONGLE 5
MONITOR BOOT MESSAGES 7
CUSTOM CONFIGURATION 9
MODULATION SETTING DESCRIPTION 11
VIDEO AND OTHER SETTING DESCRIPTION 14
UPDATE FIRMWARE 16

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Package Contents
DC-105 Camera
USB UART dongle for configuration
A special USB cable for firmware update
Special USB cable for firmware update,
Power on
Apply 12V DC to DC-105. A red power LED will be on when power applied.
CVBS Video
Output
12 V DC-in
USB UART dongle
DVB-T RF Video
output
Reserved
DC-in header
Reserved UART2
Pin headers
Mic-in

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It will take about 20~30 seconds for DC-105 to boot.
When the boot process is completed, it begins to transmit the camera video from the yellow BNC
connector in DVB-T, and the CVBS output (thru the black BNC) is also present.
A yellow LED will be on when transmitter is on.
Note:
1. Default RF channel is CH21, Frequency: 474MHz, BW:8 MHz, unless specified.
2. When initialization done, “###Camera Boot Finished###”message will be shown in the UART
debug port output; refer to more details below.
Connect to a DVB-T receiver
1. Connect the video RF output to a coaxial cable (or an antenna). A DVB-T receiver can be
either DVB-T TV, DVB-T STB or DVB-T USB receiver dongle.
2. The video output is full HD 1920x1080x30P H.264 format. Please make sure your receiver is
capable of HD decoding. (Many old DVB-T STB’s or TV’s can only decode 720x576 SD).
3. Default RF channel is CH21, Frequency:474MHz, BW:8 MHz, unless specified.
Adjust the Focus of the Lens
By default the focus of the lens may not be correct. Please turn the lens clockwise or
DVB-T
RF output
(Connected to
receiver)
Transmitter
LED (yellow)
Power LED
(red)

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anti-clockwise to get the best focus.
Connect to a CVBS monitor
A CVBS video output is optional.
If it’s enabled, when the system boot is completed, there is a standard CVBS video output (default
PAL).
Mic-in
If it’s bare bone DC-105, a condenser microphone is included.

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If DC-105 with housing, a 3 .5mm Phone Jack is provided.
Note: By default MIC-in feature is disabled.
When you want to enable MIC-in feature, it’s recommended to disable CVBS output with the
configuration kit for better audio quality.
USB UART Dongle
The USB UART dongle can be used to configure DC-105 or monitor the system boot status.

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You may connect the UAB UART to a Laptop PC.
On most Windows platforms, the driver will be installed with in-box driver automatically.
However, if Windows prompts to install driver for the new device, please run
“PL2303_Prolific_DriverInstaller_v1.7.0.exe”, which can be found in the folder
“\PL2303_Prolific_DriverInstaller_v1.7.0”
If the device driver is installed well, there will be a new Com Port device, shown in Windows Device
Manager.
The com port assignment may vary depending on the PC configurations. In the following example, COM5 is
assigned.
The following picture show how the USB UART dongle is connected to DC-105.

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Green wire: RXD
White wire: TXD
Black wire: GND
Monitor Boot Messages
When you connect the USB UART dongle to a Laptop PC, and driver is well installed, you may use
any UART terminal application (for example, Tera Term) or the DC-105 configuration tool
iTE_SerialTool.exe (described below) to monitor debug message.
The default communication parameters are 115200,n,8,1.

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Tera Term.
iTE_SerialTool.exe:

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Custom Configuration
Users may customize the configurations with a PC tool thru the USB UART dongle.
Connect the USB UART dongle to a Laptop PC, and make sure driver is well installed as described
in previous paragraph.

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Launch “iTE_SerialTool.exe “.
Specify the correct COM port which corresponds to the USB UART dongle, then click on “Open”button.
Note: The com port’s friendly name is “Prolific USB-to-Serial Comm Port (COMxx)”.
The following shows the USB UART dongle is open successfully.
Click on “Get”button to retrieve current configurations.

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If it fails to open the COM port, it shows the following message on the caption bar.
Please check if the USB UART dongle is currently open by any other UART terminal application.
Modulation Setting Description
Note: When you change the modulation settings, you needn’t to reboot the camera after
clicking on “Set”button.
The new settings take effect immediately.
Parameter
Description
Default
Cell ID
DVB-T TPS Cell ID
0X9513
Frequency
ccHDtv DTVCAM frequency in KHz.
Range:
DC-105:
70000KHz ~1450000KHz (excluding 950-1100)
[474000]

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Bandwidth
ccHDtv DTVCAM bandwidth in KHz.
Options: 1000, 2000, 3000, 4000, 5000, 6000, 7000 and 8000KHz.
[8000]
Constellation
ccHDtv DTVCAM constellation options.
0: QPSK
1: 16QAM
2:64QAM
(In 16QAM mode, only Guad Interval 1/4 and 1/8 are supported)
Note:QPSK is not supported by DC-105
[0]
CodeRate
ccHDtv DTVCAM code rate options.
0: 1/2
1: 2/3
2: 3/4
3: 5/6
4: 7/8
[4]
GuardInterval
ccHDtv DTVCAM guard interval options.
0:1/32
1:1/16
2:1/8
3:1/4
(In 16QAM mode, only Guad Interval 1/4 & 1/8 are supported)
[1]
FFT
ccHDtv DTVCAM FFT options.
2: 2K
8: 8K
[2]
Gain
Software adjusts RF output gain.
Range: -25 ~ +5
[3]
modulation
data rate
In Kbps, find details below.
Note: it’s recommended that the [Video Bitrate] should be less
than [modulation data rate] by 20% at least.
If [modulation data rate] is too low, it may cause video glitch.
auto
The modulation data rate ( channel capacity, maximum data bit rate or throughput) varies depending on the
transmission parameters.
The maximum date bit rate can be calculated as below.
Tbandwidth = {1000,000, 2000,000, 3000,000, 4000,000, 5,000,000,6,000,000, 7,000,000,
8,000,000} in Hz for 1~8MHz
Tcode_rate = {1/2, 2/3, 3/4, 5/6, 7/8}

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TConstellation = {2, 4, 6} <- QPSK = 2, 16QAM=4, 64QAM = 6
TGuardInterval = {4/5, 8/9, 16/17, 32/33}, 1/4 = 4/5, 1/8 = 8/9, 1/16 => 16/17, 1/32 => 32/33}
2K/8K mode does not matter
Maximum bit rate = 1512 / 2048 * 188 / 204 * 64 / 56 * TBandwidth * Tcode_rate * TConstellation *
TGuardInterval (bps)
= 423 / 544 * TBandwidth * Tcode_rate * TConstellation * TGuardInterval (bps)
Refer to the table shown below.
The channel data rate MUST be larger than the video encoding bit rate.
BW
Guard
Interval
Code
Rate
QPSK
TS bit rate
16-QAM
TS bit rate
BW
Guard
Interval
Code
Rate
QPSK
TS bit rate
16-QAM
TS bit rate
5M
1 / 4
1 / 2
3110294
6220588
6M
1 / 4
1 / 2
3732353
7464706
5M
1 / 4
2 / 3
4147059
8294118
6M
1 / 4
2 / 3
4976471
9952941
5M
1 / 4
3 / 4
4665441
9330882
6M
1 / 4
3 / 4
5598529
11197059
5M
1 / 4
5 / 6
5183824
10567647
6M
1 / 4
5 / 6
6220588
12441176
5M
1 / 4
7 / 8
5443015
10886029
6M
1 / 4
7 / 8
6531618
13063235
5M
1 / 8
1 / 2
3455882
6911765
6M
1 / 8
1 / 2
4147059
8294118
5M
1 / 8
2 / 3
4607843
9215686
6M
1 / 8
2 / 3
5529412
11058824
5M
1 / 8
3 / 4
5183824
10567647
6M
1 / 8
3 / 4
6220588
12441176
5M
1 / 8
5 / 6
5759804
11519608
6M
1 / 8
5 / 6
6911765
13823529
5M
1 / 8
7 / 8
6047794
12095588
6M
1 / 8
7 / 8
7257353
14514706
5M
1 / 16
1 / 2
3659170
7318339
6M
1 / 16
1 / 2
4391003
8782007
5M
1 / 16
2 / 3
4878893
9757785
6M
1 / 16
2 / 3
5854671
11709343
5M
1 / 16
3 / 4
5488754
10977509
6M
1 / 16
3 / 4
6586505
13173010
5M
1 / 16
5 / 6
6098616
12197232
6M
1 / 16
5 / 6
7318339
14636678
5M
1 / 16
7 / 8
6403547
12807093
6M
1 / 16
7 / 8
7684256
15368512
5M
1 / 32
1 / 2
3770053
7540107
6M
1 / 32
1 / 2
4524064
9048128
5M
1 / 32
2 / 3
5026738
10053476
6M
1 / 32
2 / 3
6032086
12064171
5M
1 / 32
3 / 4
5655080
11310160
6M
1 / 32
3 / 4
6786096
13572193
5M
1 / 32
5 / 6
6283422
12566845
6M
1 / 32
5 / 6
7540107
15080214
5M
1 / 32
7 / 8
6597594
13195187
6M
1 / 32
7 / 8
7917112
15834225
7M
1 / 4
1 / 2
4354412
8708824
8M
1 / 4
1 / 2
4976471
9952941
7M
1 / 4
2 / 3
5805882
11611765
8M
1 / 4
2 / 3
6635294
13270588
7M
1 / 4
3 / 4
6531618
13063235
8M
1 / 4
3 / 4
7464706
14929412

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7M
1 / 4
5 / 6
7257353
14514706
8M
1 / 4
5 / 6
8294118
16588235
7M
1 / 4
7 / 8
7620221
15240441
8M
1 / 4
7 / 8
8708824
17417647
7M
1 / 8
1 / 2
4838235
9676471
8M
1 / 8
1 / 2
5529412
11058824
7M
1 / 8
2 / 3
6450980
12901961
8M
1 / 8
2 / 3
7372549
14745098
7M
1 / 8
3 / 4
7257353
14514706
8M
1 / 8
3 / 4
8294118
16588235
7M
1 / 8
5 / 6
8063725
16127451
8M
1 / 8
5 / 6
9215686
18431373
7M
1 / 8
7 / 8
8466912
16933824
8M
1 / 8
7 / 8
9676471
19352941
7M
1 / 16
1 / 2
5122837
10245675
8M
1 / 16
1 / 2
5854671
11709343
7M
1 / 16
2 / 3
6830450
13660900
8M
1 / 16
2 / 3
7806228
15612457
7M
1 / 16
3 / 4
7684256
15368512
8M
1 / 16
3 / 4
8782007
17564014
7M
1 / 16
5 / 6
8538062
17076125
8M
1 / 16
5 / 6
9757785
19515571
7M
1 / 16
7 / 8
8964965
17929931
8M
1 / 16
7 / 8
10245675
20491349
7M
1 / 32
1 / 2
5278075
10556150
8M
1 / 32
1 / 2
6032086
12064171
7M
1 / 32
2 / 3
7037433
14074866
8M
1 / 32
2 / 3
8042781
16085561
7M
1 / 32
3 / 4
7917112
15834225
8M
1 / 32
3 / 4
9048128
18096257
7M
1 / 32
5 / 6
8796791
17593583
8M
1 / 32
5 / 6
10053476
20106952
7M
1 / 32
7 / 8
9236631
18473262
8M
1 / 32
7 / 8
10556150
21112299
Video and Other Setting Description
Note: When you change the “Video”and “Other”settings, you should reboot the
camera after clicking on “Set”button.
The new settings take effect after reboot.
Parameter
Description
Default
Stream Count
If it’s set to 2, a second stream (in SD 640x480 resolutions)
will be transmitted simultaneously.
The SD stream is encoded in 1Mbps data rate.
1
Frame Width
Encoded horizontal frame size, 1920>=Width>=160
1920
Frame Height
Encoded vertical frame size, 1080>=Height>=64
1080
Frame rate
Encoded frame rate in FPS (frame per second)
Maximum 30 for 1920x1080
Maximum 60 for 1280x720
30
Video Bitrate
Encoded video data rate in Kbps
4000

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Note: it’s recommended that the [Video Bitrate] should be
less than [modulation data rate] by 20% at least.
If [modulation data rate] is too low, it may cause video glitch.
Flicker
50 Hz or 60Hz room light flicker
Negligible if LED light source or outdoor sun light
60Hz
GOP
Group of picture size
Higher GOP , higher compression efficiency but poorer
quality
30
CVBS
Select the TV standard for the analog video CVBS output
PAL, NTSC or Disable
PAL
Fast Playback
Fast Playback Mode can shorten the latency at the cost of video
glitch sometimes
Disabled
Enable Audio
Enable MIC-in feature
When MIC-in is enabled, it’s recommended to disable analog
video CVBS output feature for better audio quality.
Disable
Provider Name
Channel provider name (for SDT)
[Hides]
Service Name
Channel service name (for SDT)
[DC-105]
SIPSI_Table_Duration
Duration in minutes.
0: SI/PSI table always be sent
N: After N minutes, TS SI/PSI table will not be sent. And the
TV system could only scan the DTVCAM channel in this
period.
[0]
PTSPCR_Interval
(Latency)
Adjust TS PTS and PCR interval in ms. It is trade-off with
video latency and video smooth.
300ms

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Update Firmware
First of all, please prepare a clean USB disk with FAT32 file system and copy the following files to the
root directory of the USB disk. Don’t use NTFS formatted file system.
Note:
1. In Windows, you may click on the flash disk with right mouse button to check its file system property.
2. It’s recommended the USB disk is clean without any other files or folder expect the 5 firmware files.
Anewly formatted disk is preferred.
These five files can be found in the folder \Firmware of the software package of DC-105
sunmoretek.cchdtv.update
uImage.sh1x2l
u-boot-sh1x2l.bin
data.sh132L.jffs2.img
rootfs.squashfs.img
Note: these files should be in the root directory of the flash disk, as shown below.

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The following steps describe how to update DC-105 firmware
1. Power off DC-105
2. Open the camera housing ( You may skip this step for DC-105-BB or DC-105H-BB)
*Loosen the cover screw * Remove the housing and *Loosen two screws
the lens cover to get the main board
3. Push the cables and pull out the main board carefully until you can see the whole camera module.
( You may skip this step for DC-105-BB or DC-105H-BB)
4. Connector USB UART dongle to a laptop PC, as shown below,

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5. Launch “iTE_SerialTool.exe “or any UART console to monitor the debug messages.
UART communication parameters:115200,n,8,1
6. Attach the USB disk with the special USB cable to the tiny connector in the middle of the main board of
DC-105. Refer to the picture below.
7. Power on DC-105
8. It will take about 3 minutes and you will see the following messages on the UART terminal.
USB: scanning bus for devices... 2 USB Device(s) found
scanning bus for storage devices... usb_stor_get_info->1406,blksz:512
1 Storage Device(s) found
reading sunmoretek.cchdtv.update
524 bytes read
command=sf probe 0
command=mw.b 0x82000000 ff 0x40000

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command=fatload usb 0 0x82000000 u-boot-sh1x2l.bin 0
filename=u-boot-sh1x2l.bin reading u-boot-sh1x2l.bin
..............................................................................................................................................................................
..............................................................................................................................................................................
.............
3709396 bytes read
command=sf write 0x82000000 0x650000 0x400000
Writing at 0xa50000 -- 100% complete.
do_usbupdate success !