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DVB-T Modulator Section

 

Standard   

DVB-T COFDM 

Bandwidth 

6M, 7M, 8M 

Constellation 

QPSK, 16QAM, 64QAM 

Code rate 

1/2, 2/3, 3/4, 5/6, 7/8 

Guard Interval 

1/32, 1/16, 1/8, 1/4 

Transmission Mode: 

2K, 8K 

MER 

≥31dB 

RF frequency   

142.5~946 MHz, 1KHz step 

RF output level 

-14~ +6dBm, 0.1db step 

System 

RF mix in ATT 

10 dB 

Management 

Local LCD + control buttons 

Language   

English   

LCN Insertion 

yes 

Upgrade 

USB 

General

 

Power supply 

DC 12V 

Dimensions 

183*110*50mm 

Weight   

< 1kg 

 

 

 

Содержание DHM-2057

Страница 1: ...DHM 2057 DVB T SD HD Encoder Modulator with USB Home Use User Manual...

Страница 2: ...onditions of performance Keep this manual for future reference Directory CHAPTER 1 Product Introductions 1 General Description 1 Working Principle 1 Technical Specifications 1 CHAPTER 2 Safety Instruc...

Страница 3: ...ith applications in home entertainment surveillance control hotel Digital Signage shops etc It is an all in one device integrating MPEG 4 AVC H 264 encoding and modulating to convert audio video signa...

Страница 4: ...60p 1080 30p Aspect Ratio 16 9 4 3 Bit rate 1 000 18 000 Mbps Audio Encoding MPEGI layer 2 Sample rate 48KHz Bit rate 64 96 128 192 256 320kbps CVBS Encoding Section Video Encoding H 264 MP L 3 0 Inte...

Страница 5: ...5 6 7 8 Guard Interval 1 32 1 16 1 8 1 4 Transmission Mode 2K 8K MER 31dB RF frequency 142 5 946 MHz 1KHz step RF output level 14 6dBm 0 1db step System RF mix in ATT 10 dB Management Local LCD contro...

Страница 6: ...ion slots If the encoder modulator has been kept in cold conditions for a long time keep it in a warm room minimum 2 hours before plugging into the mains Mount the device in vertical position with the...

Страница 7: ...b Connect the power plug to the unit mains connector c Connect the power plug to the mains socket Cascade Installation DHM 2057 unit has 1 TV signal to RF output encoded as DVB T Digital TV signal Sev...

Страница 8: ...m mode Enter Use this button to enter a submenu or save a new setting after adjustment press it to start adjusting the value of certain items with Up Down buttons when the corresponding underline flas...

Страница 9: ...em System Save Config System Load Saved CFG System Lock Keyboard System Product ID System Version Save Config Yes No Load SavedCFG Yes No Lock Keyboard Yes No 0035564905656 70ec8f7b0000f Encoder Modul...

Страница 10: ...menus displayed and edit the values or select modes 6 Country User can choose country under this menu There are five options Default Australia New Zealand Sweden and Italy If user chooses Default modu...

Страница 11: ...0s 45s 60s 90s and 120s seconds 20 Key Password to set a 6 digit password for unlocking the keyboard 21 Lock Keyboard Choose Yes to lock the keyboard then the keyboard will be locked and cannot be app...

Страница 12: ...coder modulator is embedded with USB Port for upgrading The supported file format is IMG Upgrade steps Insert USB device Upgrade automatically It will need 10 20 seconds to upgrade Remove USB device P...

Страница 13: ...19 5 223 C53 701 704 5 708 C12 223 226 5 230 C54 708 711 5 715 C55 715 718 5 722 UHF C56 722 725 5 729 C57 729 732 5 736 C20 470 473 5 477 C58 736 739 5 743 C21 477 480 5 484 C59 743 746 5 750 C22 484...

Страница 14: ...5 9 95 11 06 11 71 12 06 2 3 9 95 11 05 11 70 12 06 11 61 12 90 13 66 14 07 13 27 14 75 15 61 16 09 3 4 11 19 12 44 13 17 13 57 13 06 14 51 15 36 15 83 14 93 16 59 17 56 18 10 5 6 12 44 13 82 14 63 15...

Страница 15: ...ions applied EU Harmonized Standards 55022 2010 61000 3 2 2006 A1 2009 A2 2009 EN61000 3 3 2008 EN 55024 2010 50083 2 2006 IEC60728 2 2010 EN 61000 4 2 2009 EN61000 4 3 2006 A1 2008 A2 2010 EN 61000 4...

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