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Signal 752 User Manual

Hdmi to dvb-t encoder modulator
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HDMI to DVB-T encoder Modulator
User's Manual
SW Version: 5.03
HW version: 4.8
Web NMS version: 4.02

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Summary of Contents for Signal 752

  • Page 1 HDMI to DVB-T encoder Modulator User’s Manual SW Version: 5.03 HW version: 4.8 Web NMS version: 4.02...
  • Page 2 HD HDMI*2 to DVB-T Modulator All-in-one HD Encoder + DVB-T Modulator...

  • Page 3: Table Of Contents

    Directory CHAPTER 1 INTRODUCTION ......................1 ..........................1 1.1 P RODUCT OVERVIEW ............................1 1.2 P RINCIPLE CHART ............................2 1.3 S PECIFICATION CHAPTER 2 PRODUCT DESCRIPTION .................... 3 ....................3 2.1 I NDICATORS AND BUTTONS ETAILS ........................3 2.2 I NSTALLATION PRECAUTIONS CHAPTER 3 OPERATION ........................

  • Page 4: Chapter 1 Introduction

    1.1 Product overview Signal-752 is a MPEG4/AVC H.264 encoding, DVB-T modulation integrated device to convert HD A/V signals to DVB-T RF out in the frequency range of 30~960MHz. It has equipped with 2 channel HDMI input, and 1 RF input.

  • Page 5: Specification

    1.3 Specification Encoding section Constellation QPSK, 16QAM, 64QAM Video Guard Interval 1/4, 1/8, 1/16, 1/32 Encoding H.264/AVC MPEG4 High Profile Level 1/2, 2/3, 3/4, 5/6, 7/8 4.0(HD) ≥42dB Input HDMI*2 RF frequency 30~960MHz, 1KHz step 1920*1080_60P, 1920*1080_50P, -30~ -10dbm(81~97 dbµV), 0.1db step RF output level Resolution 1920*1080_60i, 1920*1080_50i,...

  • Page 6: Chapter 2 Product Description

    Chapter 2 Product Description 2.1 Indicators and Key-buttons Details Front ① ⑤ LCD window: LCD display Up and down, left and right button ② ⑥ NMS port: input NMS Enter button: for confirm ③ ⑦ Power and alarm light Menu button: for back step ④...
  • Page 7 General Precautions  Must be operated and maintained free of dust or dirty  The cover should be securely fastened, do not open the cover of the products when the power is not off.  After use, securely stow away all loose cables, external antenna, and others. Power precautions ...

  • Page 8: Chapter 3 Operation

    Chapter 3 Operation 3.1 Button introduction LCD display window Display window for seting menu Status display when power on Setting value up Confirm setting and moving up To move left To move right Back step Lock button Setting value down and to move down 3.2 Initial Status Switch on then below status will be displayed, few seconds’...
  • Page 9 User pressing UP or DOWN buttons to specified menu item, and then pressing ENTER to enter the submenus as below: Alarm status --- the alarm indicator will light on if there is no A/V signals input Encoder setting --- choose this submenu, the LCD will show “input setting”, press the ENTER key and control the UP or Down key to move the arrow.
  • Page 10 transmissions may belong to different users (as in TDMA) or same user (as in OFDM). The purpose of the guard interval is to introduce immunity to propagation delays, echoes and reflections, to which digital data is normally very sensitive. There are four possible options provided to be selected. They are User can shift the LEFT/RIGHT key to 1/4, 1/8, 1/16, 1/32.
  • Page 11 Save config Users enter save config submenu for saving settings. Choose yes for confirm set. Save configuration Saving config… Loading config At this menu, user can press UP/DWON key to select and repress ENTER to confirm. User can restore the device into the last saved configuration by choosing “6.1”...

  • Page 12: Chapter 4 Web Nms Operation

    User not only can use front buttons for setting configuration, but also can control and set the configuration in computer by connect to web NMS Port. User should ensure that the computer’s IP address is different from the Signal-752’s IP address;...

  • Page 13: Configuration Setting

     Encoding and video light: the light should show green color normally  HDMI input: it shows if there is real-time HDMI signal inputting  Video format: the current video format of the device  Bit rate: the current encoding bit rate...
  • Page 14 3) NIT table setting he location of the NIT is defined in the present document in compliance with ISO/IEC 13818-1 [1] specification, but the data format is outside the scope of ISO/IEC 13818-1 [1]. It is intended to provide information about the physical network. The syntax and semantics of the NIT are defined in the present document.
  • Page 15  Transport stream ID: This 16-bit field which serves as a label identifying the TS which contains the service, event or mosaic described by the cell.  Original network ID: This is also a 16-bit field, a label which in conjunction with the following fields uniquely identifies a service, event or mosaic.
  • Page 16 4) IP out setting Follow the help guideline for set IP out configuration 5) Modulator setting  Bandwidth: there are three possible options provided to be selected: 6M, 7M and 8M.  Constellation: there also have three possible options to be selected: QPSK, 16QAM and 64QAM. ...
  • Page 17 2/3, 3/4, 5/6 and 7/8.  RF frequency: the range is 30~1000MHz  RF output level: the range is -30~-10dbm 6) Save/Restore 7). Rebooth...
  • Page 18 8) Firmware This function is used to upgrade the device’s latest software program. If user wants to update the device to latest version, he should contact with manufacturer to get the latest version software. When upgrading it, user can click the “...
  • Page 19 10) Password User can revise the login password in this menu by type accordingly information as required and click “Apply” to confirm.

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