COSHIP ELECTRONICS N8783C HD DIGITAL CABLE STB User Manual
SHENZHEN COSHIP ELECTRONICS CO.,LTD. HD DIGITAL CABLE STB Users Manual
Users Manual
User’s Manual
I
Digital Cable Receiver
N8783C
User’s Manual
User’s Manual
II
Safety Instruction
When using the receiver, basic precautions should always be followed, including the following:
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation opening. Install in accordance with the manufacturer’s
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
9. Do not defect the safety purpose of the polarized plug. A polarized plug has two blades with
one wider than the other. The wide blade is provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus
has been damaged in any way, such as power-supply cord or plug is damaged liquid has been
spilled or objects have fallen into apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
15. Warning: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture. The apparatus shall not be exposed to dripping or splashing and that no objects filled
with liquids, such as vases, shall be placed on the apparatus.
16. The MAINS plug is used as the disconnect device and shall remain readily operable.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Note:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the
User’s Manual
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receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
DOLBY Mark
This mark appears on front panel of this receiver, painted prominently in contrasting color to
background.
Manufactured under license from Dolby Laboratories.
Dolby and the double-D symbol are trademarks of Dolby Laboratories.
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Contents
1. Before Using the Receiver .................................................................................................. 2
1.1 Main Feature ................................................................................................................. 2
1.2 Front Panel ................................................................................................................... 3
1.3 Rear Panel .................................................................................................................... 3
1.4 Remote Control Unit (RCU) .......................................................................................... 4
2. Installation ............................................................................................................................ 5
2.1 Signal Input ................................................................................................................... 5
2.2 Connect TV ................................................................................................................... 5
2.3 Power on ....................................................................................................................... 6
2.4 Search Channel ............................................................................................................ 6
3. Appendix ............................................................................................................................... 7
3.1 Trouble Shooting ........................................................................................................... 7
3.2 Specification .................................................................................................................. 8
3.3 Acronym ...................................................................................................................... 10
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1. Before Using the Receiver
1.1 Main Feature
Dolby 5.1 and DDPLUS supported
EPG supported
16 favorite channel groups
Memory space up to 5000 channels
Support auto and manual search
Powerful channel editing function
PAL/NTSC supported
Software upgrade supported
Support automatic channel update
HDMI output: support 1080i/1080p/720p/576p
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1.2 Front Panel
1.3 Rear Panel
Name
Function
1. CABLE IN
Connect to CATV network
2. CH 3/4 OUT
Output ch3/4 signal
3. HDMI
Output video and audio signal to TV (support high definition
output)
4. USB
Connect to USB device
5. RESET
Restored to factory defaults
6. 12V 1A
DC power supply port
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1.4 Remote Control Unit (RCU)
Name
Function
1. Learning keys
Please refer to Learning Key.
2. The keys of the receiver
Switch between operation and standby
modes
Mute
Mute/restore sound
0 ~ 9
Switch channels or input numbers
PG+/-
Switch channels or page up/down
Last
Back to previously viewed channel
Info
Display channel information bar
Switch channels or move cursor up/down
Adjust volume or move cursor left/right
SELECT
Display group & channel list or confirm
operation
Menu
Display main menu
Guide
Display EPG
VOL+/-
Adjust volume
CH+/-
Switch channels
Exit
Back to previous menu or exit from
operation
CC
Display CC
Other keys
Reserved
Notes:
The keys mentioned in the manual refer to that on RCU except for special
explanations.
Please operate according to key instructions on screen.
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2. Installation
Connect TV and other devices, then you can power on the receiver and search channels.
2.1 Signal Input
Connect CABLE IN port on the receiver to CATV network with an RF cable.
2.2 Connect TV
Connect HDMI port on the receiver to HDMI port on TV.
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Note: If you encounter any problem during the connections, please contact your local
operator.
2.3 Power on
1. Connect one end of power adaptor to the receiver.
2. Connect the other end of power adaptor to power socket.
3. Turn on the power switch on power socket, system initializes and start-up OSD is shown on
TV screen.
Note: Please turn on your TV and switch it to AV mode.
2.4 Search Channel
If there is no channel stored in the receiver, after initialization, you should search channels
firstly. Please select Main Menu → Installation → Auto Search and press OK key to search
channels.
If there are some channels stored in the receiver, after initialization, program will be played
automatically, and the channel number is shown on front panel DISPLAY.
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3. Appendix
3.1 Trouble Shooting
DISPLAY on front panel is off
1. Power adapter is disconnected. Make sure power adapter is plugged into a proper power
socket.
2. The receiver is turned off. Turn it on.
DISPLAY on front panel is on, but no sound and picture on TV screen
The receiver is in standby mode. Press key to switch it to operation mode.
No signal
1. Signal cable is disconnected. Connect signal cable correctly.
2. Program parameters are set wrongly. Set correct parameters.
No sound
1. Audio cable is disconnected or incorrectly connected. Connect audio cable correctly.
2. The receiver is in mute mode. Press Mute key to restore sound.
3. Volume is set to minimum. Increase volume to a proper level.
4. Audio parameter is set wrongly. Set a proper audio parameter.
No picture
1. Video cable is disconnected or incorrectly connected. Connect video cable correctly.
2. The receiver is in radio mode. Switch it to TV mode if you need.
Video and audio mismatch, or absonant sound
Audio parameter is set wrongly. Select a proper audio parameter.
Poor quality picture
Weak signal. Connect signal cable securely.
RCU doesn’t work
1. No enough power in batteries. Replace the batteries.
2. RCU is not aimed at the receiver. Aim RCU at the receiver.
Note: If you cannot solve the problems after referring to this trouble shooting, please
contact your local operator.
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3.2 Specification
Tuner
Input Frequency
54 ~ 1002MHz
Loop out Frequency
54 ~ 1002MHz
Input Level
-63 ~ -17dBm
Bandwidth
6M
Input Impedance
75Ω
Channel Decoding
Standard
J.83B
Demodulation
64QAM/256QAM
Demultiplexer
Standard
ISO/IEC 13818-1
Input Max. Bit Stream Rate
100Mbps (Parallel)
Audio Decoding
Standard
ISO/IEC 13818-3
Decoding
MPEG-1 & MPEG-2 layer I and II, MPEG-2 AAC, MPEG-4
AAC, AC3
Audio Mode
Left, Right and Stereo
Sampling Freq.
32, 44.1, 48KHz
Audio Output Impedance
Low
Video Decoding
Standard
ISO/IEC 13818-2, MPEG-2 MP@ML,
MPEG-4 AVC/ H.264 HP@L4
Aspect Ratio
4:3, 16:9
Resolution
1920 × 1080 max.
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High Definition Output
Output Format
1080p, 1080i, 720p, 576p
Output Connector
HDMI
Memory
Flash Memory
256MB
DDR SDRAM Memory
256MB
RCU
Category
Infrared (Carrier Freq.: 38KHZ)
Battery
2 × 1.5V AAA type
Rear Panel
Connector
CABLE IN (F-type female, connector), CH 3/4 OUT (F-type
male, connector)
HDMI1.4
USB2.0 Interface
Power Adapter (optional)
Input Voltage
100-240V~ 50/60Hz
Output Voltage
12V
Output Current
1A
Power Supply
Input Voltage
12V
Input Current
1A
Power Consumption
12W max.
Physical Characteristics
Size
142mm (L) × 87mm (W) × 27mm (H)
Weight
0.26 kg approx
Operation Temperature
0℃ ~ 40℃
Storage Temperature
-40℃ ~ +60℃
Storage Humidity
≤93%
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3.3 Acronym
CA
Conditional Access
CVBS
Composite Video Broadcast Signal
DVB
Digital Video Broadcasting
EPG
Electronic Program Guide
FTA
Free to Air
HDD
Hard Disk Drive
HDMI
High Definition Multimedia Interface
HDTV
High Definition Television
LED
Lighting Emitting Diode
NIT
Network Information Table
OSD
On Screen Display
OTA
Over the Air
PVR
Personal Video Recording
RCA
Radio Corporation of America
RF
Radio Frequency
SDTV
Standard Definition Television
USB
Universal Serial Bus