15
Appendix
Maintenance
◆
Unplug the power cord before maintenance.
◆
Keep the product surface clean. Please use a piece of soft cloth to clean the outer if it’s dirty.
◆
Do not use any chemical products like Alcohol or dilution to clean the product.
◆
Refer all servicing to a qualified service agent.
Terminology
Specifications
Notes
The data for weight and size are approximations only.
Specifications are subject to change (by manufacturer) without notice.
Name
Descriptions
DVB
The abbreviation of Digital Video Broadcasting.
DVB-T
One type of DVB modes (T=Terrestrial).
MPEG
The abbreviation of Motion Picture Experts Group.
MPEG-2
The MPEG-2 standards are mainly used in digital TV signals.
Subtitles
The words appear at the bottom of the screen. They are usually recorded on
DVD discs and have 32 languages at most.
FEC
FEC stands for Forward Error Correction, used to correct signal transmission
errors between antennas and the receiver.
PID
The PID code (Packed Identification) is the identification number of audio and
video signals in the digital data flow/stream of DVB MPEG-2 signals. It is used to
transmit audio and video signals to a specific address.
Items
Features
High
Frequency
Tuner
Input Frequency Range
174
～
230, 470 ~~ 862MHz (VHF&UHF)
Bandwidth
7 or 8 MHz
Input Signal Level
－
75
～－
20dBm
RF Input Connector
IEC169
－
2, Female
Input impedance
75Ω
Demodulation
Mode
Waveform
COFDM
（
Code Orthogonal Frequency Division
Multiplexing
）
Demodulation
QAM16
，
QAM64
Transmission Mode
2K
，
8K
Guard interval
1/4, 1/8, 1/16, 1/32
Code rate
1/2, 2/3, 3/4, 5/6, 7/8
Video, Audio
Decoding
Video decoding
ISO/IEC13818-2 MPEG2
（
MP@ML
）
Compatible
Video resolution
720×576
（
PAL
）；
720×480
（
NTSC
）
Video input code rate
15 Mbit/s Max
Teletext
DVB-ETS300472
Audio decoding
ISO 11172
－
3
Audio Track
Stereo, Monophony (L, R)
Audio Sample rate
32
，
44.1, 48KHz
USB
Format
MP3, JPEG and BMP
Power Supply
5V, 500mA
Power
Rated Power
~230V,50Hz
Range of Rated Voltage
~ 165-265V
，
50Hz
Rated Consumption
≤
8W
Standby Consumption
≤
1 W
Work
Environment
Temperature
0~40
℃
Humidity
<90%
Dimensions
Weight
＜
1.5 Kg
Size
174 mm
×
40 mm
×
142 mm
