18
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 approximately only.
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
QPSK
,
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
)
/ MPEG-4 AVS
/H.264 Compatible
Video resolution
720×576
(
PAL
)@
25Hz
;
720×480
(
NTSC
)@
30Hz
Audio decoding
MPEG-1
、
2 layer 1 & 2
Audio Track
Stereo, Monophony (L, R)
Audio Sample rate
32
,
44.1, 48KHz
USB
USB Port
USB2.0
Format
MP3/JPGE/BMP/OGG
Power Supply
5V 1000mA
Power
Input Power
230V,50Hz
Power Consumption
≤ 4.8W
Max Consumption
≤ 0.95 W
Work
Environment
Temperature
0~40
℃
Humidity
<95%
Dimensions
Weight
<
1Kg
Size
130(W)
100(D)
30(H)mm