Deviser DS2400T Operation Manual
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Deviser DS2400T Operation Manual

Dvb-t2 signal analysis meter
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Summary of Contents for Deviser DS2400T

  • Page 1 ： ：...
  • Page 2 © Tianjin Deviser Electronics Instrument Co., Ltd. Deviser Part No.: 2400T2-DL All rights reserved. Printed in CHINA. Dec. 2012.
  • Page 3 LCD). Users should read manual carefully before first use and operate correctly according to the manual. Deviser shall have no responsibility for any defect or damage caused by improper use and maintenance or for any product which has been repaired or altered by any one others not DEVISER or our authorized service center.

  • Page 4: Table Of Contents

    Index 1. General Introduction ..........1 1.1 Channel Measurement .........3 1.2 Constellation Diagram ..........3 1.3 Tilt/Level List ............3 1.4 Hum Measurement ..........4 1.5 Channel Scanning ..........4 1.6 Spectrum Scanning ..........4 1.7 Limit Measurement ..........4 1.8 Voltage Measurement ..........5 1.9 Multiple User Channel ..........5 1.10 File Management ..........5 1.11 Intelligent Power Management ......5 1.12 DVB-C channel measurement ......6...

  • Page 5: Table Of Contents

    3.4 Constellation Diagram ........30 3.5 BER Statistics Measurement ....... 36 3.6 Spectrum Scanning ..........39 3.7 Tilt/Level List Measurement ....... 45 3.8 Channel Scanning ..........50 3.9 HUM Measurement ........... 54 3.10 Limit Measurement .......... 56 3.11 Return Path Spectrum ........61 3.12 File Management ..........

  • Page 7: General Introduction

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 1. General Introduction DS2400T is an ideal meter for DVB-T/T2 and DVB-C signals testing, which is a new model with color screen and high performance. It demodulates and accurately measure the COFDM signals carried through the terrestrial TV system.
  • Page 8 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Features: * QAM and QPSK Test * Level Test * Constellation Diagram * Channel Scanning * Spectrum Scanning * Tilt Test * Limit Test * HUM * Voltage Measurement * Multiple User Channel Plan Setup...

  • Page 9: Channel Measurement

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual Basic Functions Overview 1.1 Channel Measurement DS2400T supports accurate signal level test in analogue TV, DVB-T/T2 signals and single frequency modes. For Analogue channels, you can get video level, audio level and △V/A etc.

  • Page 10: Hum Measurement

    1.7 Limit Measurement DS2400T can fast check the cable system by the limit test function. Each enabled channel will be tested according to the limits setup by user, and after the...

  • Page 11: Voltage Measurement

    PC. 1.11 Intelligent Power Management DS2400T with full charged is able to work over 5 hours. The power supply monitoring system will monitor the status of power and ensure the instrument in power...

  • Page 12: Dvb-C Channel Measurement

    DVB-C Optional Functions Overview Note: The DVB-C option includes DVB-C signal test and BER Statistics functions. These two functions will not be installed on DS2400T as default. In order to use them, you have to contact DEVISER to order DVB-C option.

  • Page 13: Dvb-T2 Channel Measurement

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual DVB-T2 Optional Functions Overview Note: The DVB-T2 option includes DVB-T2 signal test function. This function will not be installed on DS2400T as default. In order to use that, you have to contact DEVISER to order DVB-T2 option.

  • Page 14: Introduction

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 2. Introduction 2.1 Appearance Get acquainted with the appearance before use： RF Interface Keyboard Charge Status POWER Charge Serial Interface Port...

  • Page 15: Keypad

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 2.2 Keypad 2.2.1 Soft Keys There are three soft keys ( located under the screen. They are used to access the functions represented by the icons displayed on the bottom of screen. 2.2.2 Shortcut Keys...
  • Page 16 DS2400T control to a new number or letter. NOTE: If you make an error when entering a number or a name, you can press BACK ( ) key to go back and then re-enter it.

  • Page 17: Display Description

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 2.3 Display Description...

  • Page 18: Using The Instrument

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3. Using the Instrument 3.1 Function Menu Display Figure3-1-1 The Figure 3-1-1 Display the Main Menu which include all of the function icons. Soft Keys: : Enter the selected shortcut interface. : Switch the selected shortcut on the left direction circularly.
  • Page 19 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Function keys: : Switch the selected shortcut on the up direction circularly. : Switch the selected shortcut on the down direction circularly. The selected shortcut will displays in highlight.

  • Page 20: Learn User Channel Plan

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.2 Learn User Channel Plan In order to enhance your work efficiency, please create user channel plan before measurement. DS2400T will choose all effective channels in the cable system automatically and save in this channel plan.
  • Page 21 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure3-2-1 Then press the select the CHANNEL PLAN item, as Figure3-2-2. Figure3-2-2 Now press into Figure3-2-3 CHANNEL PLAN, then press select the user channel plan.
  • Page 22 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure3-2-3 3． Press to select the LEARN CHANNEL PLAN item, and press , the LEARN CHANNEL PLAN function displays as Figure 3-2-4. Figure3-2-4 Press to select one channel type.
  • Page 23 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Press into Parameter setting, you can define the channel plan as Analogue channel plan, digital channel plan or analog/digital mixed channel plan. Also you can edit “Bandwidth, Modulation type, Symbol Rate” in digital channel plan.

  • Page 24: Level Measurement

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.3 Level Measurement Press return to main menu, press the to select the LEVEL shortcut as Figure3-3-1. Then press Figure3-3-1...
  • Page 25 DS2400T DVB-T2 Signal Analysis Meter Operation Manual If there is no valid channel to test, the screen will display as figure 3-3-2. Now, if you want to do any test in this function, you have to create a valid channel with...
  • Page 26 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-3-3 Figure 3-3-4 Press to select the channel parameters, if the selected parameter could be changed, press to change. As the figure 3-3-4, ensuring the STATUS is enable, the channel will be...
  • Page 27 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.3.1 Analogue channel measurement If the current channel is a valid analogue channel, The Level function will display as Figure3-3-5, three test results are displayed in the screen, include Video, audio and V/A.
  • Page 28 DS2400T DVB-T2 Signal Analysis Meter Operation Manual CH INFO ( ): Press this button will display the channel information of this analogue channel as figure 3-3-6. The channel parameters also can be modified in this screen. Figure 3-3-6 ONE CHN/ADJ CHN ( ): The user can switch display mode between One Channel and ADJ Channel.
  • Page 29 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-3-7 is used for switch channels circularly. If the next channel is digital channel, the screen will be chapter 3.3.2.) changed. (Refer to ): Press this button to next page as figure 3-3-8, the user can press this button again to return.
  • Page 30 DS2400T DVB-T2 Signal Analysis Meter Operation Manual FREQ( ): Press this button to show single frequency measurement interface as figure 3-3-9, the user can modify the frequency, press this button again to return. is used for switch frequency circularly. SAVE( ): Press this button to save the result of level test.
  • Page 31 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.3.2 Digital channel measurement DS2400T is able to measure POWER, MER and BER. As figure 3-3-10. Figure3-3-10 CH INFO ( ): Press this button will display the channel information of the current channel, as figure 3-3-11.
  • Page 32 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-3-11 ONE CHN/ADJ CHN ( ): The user can switch display mode between One channel and ADJ channel. One channel mode: The histogram shows the Power of current channel only. ADJ channel mode: The histogram shows the Power of...
  • Page 33 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-3-12 ): Press this button to next page as figure 3-3-13, the user can press this button again to return. Figure 3-3-13...
  • Page 34 DS2400T DVB-T2 Signal Analysis Meter Operation Manual are used for switching channels circularly. If the next channel is analogue channel, the screen will be displayed as figure 3-3-5, and if the next channel is digital channel, the screen will be display as figure 3-3-10.
  • Page 35 DS2400T DVB-T2 Signal Analysis Meter Operation Manual REFRESH( ): Press this button can test again. 3.3.3 Limit Display PASS FAIL in big font is displayed in the screen to indicate the quality of current channel as the figure 3-3-5 and figure 3-3-10, the limit value to judge the quality of channel can be showed in the measurement setup menu, and also can be modified.

  • Page 36: Constellation Diagram

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.4 Constellation Diagram Press to return to main menu interface, and choose CONSTEL icon, and press then press enter constellation measurement. DS2400T constellation diagram function supports modes of QAM and QPSK. Here, you can get channel...
  • Page 37 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Soft Keys Operation: CH INFO ( ): Press this button to display the current channel information as figure 3-4-2,and user can modify all of the parameters in this menu. Figure 3-4-2 FREQ (...
  • Page 38 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-4-3 ):Press this button to next page as figure 3-4-4, Figure 3-4-4...
  • Page 39 DS2400T DVB-T2 Signal Analysis Meter Operation Manual CARRIER( ): Press this button, user can modify the carrier number by keyboard as figure 3-4-5. Note: Here, the MER just measure one carrier which you modified by the keyboard. Or it is the average MER for all carriers when the “CARR”...
  • Page 40 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-4-6 QUADRANT ( ): Press this button, switch the select quadrant on clockwise direction. ZOOM IN/ZOOM OUT ( ): Press this button and switch the status of constellation diagram between zoom in and normal mode. Press zoom in key again,...
  • Page 41 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure3-4-7 are used for switching digital channels circularly. Note: This function only supports digital channels, if the current user plan doesn’t have any digital channels, the screen will show as figure 3-4-8. Figure 3-4-8...

  • Page 42: Ber Statistics Measurement

    BER statistics icon, and then press to enter statistics measurement. DS2400T is able to make BER statistics during set time, the user can get MER, BER, ES, SES, COR, UNCOR, SUM bits and TOTAL BER as figure 3-5-1. Figure 3-5-1...
  • Page 43 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.5.1 Parameter Description abbreviations meaning Error seconds During 1s, there are one or more mistakes which can be corrected or not be corrected, and then ES plus1 Serious error seconds, During 1s, if the result of the number of errors that can not be correct divided the total bits >...
  • Page 44 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.5.2 Soft Keys Operations CH INFO ( Press this button can check the current channel information, and user can modify all of the parameters in this menu. TIME ( ): Press this button to set the statistics time,...

  • Page 45: Spectrum Scanning

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.6 Spectrum Scanning Press to return to main menu interface and press to select the SPECT icon, and then press to enter spectrum function. DS2400T’s spectrum function supports double-marker display and peak-hold function as Figure 3-6-1. Here, you can set up span, frequency(5MHz~1052MHz), sampling mode and etc….
  • Page 46 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.6.1 Soft Keys Operation TAB ( ): Press to modify the cursor location, and the selected parameter can be modified by press ,or by figure Input directly. AUTO ( ): Press AUTO soft key to adjust reference level and scale quickly.
  • Page 47 DS2400T DVB-T2 Signal Analysis Meter Operation Manual SAVE ( ):Press SAVE soft key to save the result of scan test. 3.6.2 Parameter Setting You can modify or adjust measurement parameter. Press can highlight the selected parameter and then press , or press the character/digit keys directly.
  • Page 48 DS2400T DVB-T2 Signal Analysis Meter Operation Manual TRC: After selecting the TRC parameter, press to select the sampling mode (AVG or PEAK), AVG: sample average mode, the display result of each point will be an average of several sample value. It will...
  • Page 49 DS2400T DVB-T2 Signal Analysis Meter Operation Manual SCALE: After selecting the SCALE parameter, press to choose one scale from 1dB/, 2dB/, 5dB/ and 10dB/. CENT(CENTER FREQUENCY): After selecting the CENT parameter, you can input the center frequency by the character/digit keys.
  • Page 50 DS2400T DVB-T2 Signal Analysis Meter Operation Manual MARKER B: After selecting the MARKER B parameter, the purple marker B becomes active marker, pressing can move the purple marker to the wanted view point.

  • Page 51: Tilt/Level List Measurement

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.7 Tilt/Level List Measurement Tilt/Level list test is the effective solution to check the flatness and splitter’s gain of cable system, DS2400T can get levels of 12 channels and observe the measurement result and graph easily.
  • Page 52 DS2400T DVB-T2 Signal Analysis Meter Operation Manual In Figure 3-7-1, press to enter the tilt channels setup menu, select the channels that you want to do tilt test as Figure 3-7-2; press change the highlight line, and then press the...
  • Page 53 DS2400T DVB-T2 Signal Analysis Meter Operation Manual After selected，Press to return to main menu interface, and press the again to enter the Tilt/Level List measurement. Tilt measurement can be continued. 3.7.1 Tilt Graph Mode In tilt test interface, the channels will be displayed as histogram, and test result will be displayed at the bottom of screen as Figure 3-7-3.
  • Page 54 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.7.1.1 Soft Keys Operation LIST ( ): Press LIST soft key to enter level list mode, as Figure 3-7-4. Figure 3-7-4 SAVE ( ):Press this button to save the result of tilt test.
  • Page 55 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.7.2.1 Soft Keys Operation GRAPH( ): Press this button to enter Tilt mode, as Figure 3-7-3. SAVE ( ):Press this button to save the result of level test. SETUP ( ): When testing, press this button to enter into Figure 3-7-2 to re-select tested channels.

  • Page 56: Channel Scanning

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.8 Channel Scanning DS2400T support channel scanning function in order to test the flatness and amplitude of cable TV system quickly. Press to return to main menu interface and press to select the SCAN icon, and...
  • Page 57 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Yellow color represents audio level of analogue channels. Blue color represents power of digital channels. The scan function also display the channel number of scanning start channel and end channel. 3.8.1 Soft Keys Operation...
  • Page 58 DS2400T DVB-T2 Signal Analysis Meter Operation Manual ×1: Max display 30 channels in the screen. ×2: Max display 50 channels in the screen. ×3: Max display 75 channels in the screen. ×4: Max display 150 channels in the screen. ×5: Max display 255 channels in the screen.
  • Page 59 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-8-2 STOP ( ): Press STOP soft key, the scanning will stop, and you can continue the scanning by pressing it again. ):Press this button to save the result of SAVE (...
  • Page 60 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.9 HUM Measurement DS2400T support HUM measurement to analogue channel. Press to return to main menu interface and press to select the HUM icon, and then press to enter HUM function. Show as Figure 3-9-1.
  • Page 61 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.9.1 Soft Keys Operation 50Hz/ 60Hz ( ): Press to switch the frequency of system power between 50Hz and 60Hz, as figure 3-9-2. Figure 3-9-2 SAVE ( ):Press this button to save the result of HUM test .

  • Page 62: Limit Measurement

    LIMIT function. As shown in figure 3-10-1, Figure 3-10-1 DS2400T is able to detect cable TV system rapidly, and check out the number of unqualified channels and the reason of unqualified channels. The amplitude of each channel of selected user plan is checked one by one.
  • Page 63 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.10.1 Test Results List After the limit test scanning, the general test results of cable system will be listed. The test items are consist of minimum video level, maximum video level, maximum delta video level, minimum △V/A, maximum △V/A and maximum △ADJ channels.
  • Page 64 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Press to list as figure 3-10-3. Figure 3-10-3 Press to view the graph as figure 3-10-4. Figure 3-10-4...
  • Page 65 DS2400T DVB-T2 Signal Analysis Meter Operation Manual ):Press this button to next page as figure 3-10-5, the user can press this button again to return. Figure 3-10-5 RETEST ( ):Press RETEST to retest. SAVE ( ):Press SAVE soft key to save the result of Limit test .
  • Page 66 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-10-6 If you want to change a parameter ,press select the parameter, press to change. Press to LOAD DEFAULT ,and then press you can select the default. (To view the detailed setting,please refer to 4.4.3)

  • Page 67: Return Path Spectrum

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.11 Return Path Spectrum Press to return to main menu interface and to select the R-PATH icon, and press then press to enter R-PATH function, as Figure 3-11-1. Figure3-11-1 In the interface of the R-PATH function, the default...

  • Page 68: File Management

    FILES icon, and then press to enter FILE management function as Figure 3-12-1. Figure 3-12-1 DS2400T has independent memory space to store the measurement data, which includes level, scan, tilt, limit, spectrum and HUM test results.
  • Page 69 , the file list menu will display as figure3-12-2. Figure 3-12-2 ) : press this button, a “SAVE THE FILE” NEW( dialog show as figure 3-12-3. DS2400T will give a default name for new file, also you can rename it using the character/digit keys.
  • Page 70 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-12-3 After rename the new file, press DATA LIST, all the parameters could be saved have been listed, and the default status is that all parameters have been selected as figure 3-12-4.
  • Page 71 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Press to modify the cursor location, and then press to select or unselect the data item as figure 3-12-5. Figure 3-12-5 SAVE( ): Press this button to finish saving a file, after finished save file, the screen will return file list menu.
  • Page 72 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-12-6 Normally, the data items can be opened using LIST mode( Press to select the data item, and then press (LIST) to list a data item in LIST mode as figure 3-12-7, 3-12-8, 3-12-9, 3-12-10, 3-12-11, 3-12-12.
  • Page 73 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-12-7 Figure 3-14-8 is Tilt measurement results List. Figure 3-12-8...
  • Page 74 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-12-9 is Scan measurement results List. Figure 3-12-9 Figure 3-12-10 is spectrum measurement results List. Figure 3-12-10...
  • Page 75 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 3-12-11 is HUM measurement results List. Figure 3-12-11 Figure 3-12-12 is Limit measurement results List. Figure 3-12-12...
  • Page 76 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 3.12.4 Delete File In file list menu as figure 3-12-2, Select one file by press and press DELETE( ) to delete this selected file, the “DELETE FILE” dialog will display as figure 3-12-13.

  • Page 77: Setup

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4. Setup 4.1 Brief Introduction Press to return to main interface and press to select the SETUP icon, and then press to enter SETUP menu as Figure 4-1-1. Figure 4-1-1 *INFORMATION: General information of the DS2400T,...
  • Page 78 DS2400T DVB-T2 Signal Analysis Meter Operation Manual *MEASUREMENT: Level unit, Level Calibrate, Limit setup, Auto Diagnosis and Voltage & temperature measurement. *CHANNEL PLAN : The setup for channel plan includes user plan selection, learn and edit user plan. *LOAD DEFAULT : Load the default values of system...

  • Page 79: Information

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.2 INFORMATION This is the information of the instrument, Refer to Figure 4-2-1. It includes serial number, software version, hardware version, calibration date and so on. Figure 4-2-1...

  • Page 80: General

    5 minutes, 10 minutes ,30 minutes and ON(never shutdown mode ), as Figure 4-3-1. Figure 4-3-1 4.3.2 Language Selection The language of DS2400T can switch among English, Turkish, Spanish and Chinese as figure 4-3-2. After choose, instrument will transform menu automatically.
  • Page 81 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-3-2 Note：Contact Deviser for more languages. 4.3.3 Date and Time When there is something wrong in system date or clock, user can calibrate new date or time, as Figure 4-3-3. Figure 4-3-3...
  • Page 82 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.3.4 Files Status This interface shows the number of files have been saved, and also show the Memory status as figure 4-3-4. Figure 4-3-4 4.3.5 Option This section is used for user to enable or disable the optional functions by grant authorization.
  • Page 83 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-3-5 In figure 4-3-5, press ENTER( ) and input correct code to enter the option interface, as figure 4-3-6,4-3-7. Figure 4-3-6...
  • Page 84 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-3-7 Note：Please contact Deviser or our local distributor to buy the option password. Enable/Disable( ): In figure 4-3-7, user can press to enable or disable the DVB-C option. 4.3.5.1 Enable Optional Function...
  • Page 85 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-3-8 Note： Please contact Deviser or our local distributor to buy the DVB-C/T2 function code. Here user need to input password by character/digit, keys, as figure 4-3-9. Figure 4-3-9...
  • Page 86 DS2400T DVB-T2 Signal Analysis Meter Operation Manual After inputting correct password press ENTER( ), the corresponding optional function will be enabled, in figure 4-3-10. Figure 4-3-10...
  • Page 87 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.3.5.2 Disable Optional Function In figure 4-3-10, press DISABLE ( ) to disable the optional function, screen will display as figure 4-3-11. Figure 4-3-11 In figure 4-3-11, if press YES ( ), the corresponding...

  • Page 88: Measurement Parameter Setup

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.4 Measurement Parameter Setup 4.4.1 Level Unit Figure 4-4-1 4.4.2 Level Calibrate Figure 4-4-2...
  • Page 89 DS2400T DVB-T2 Signal Analysis Meter Operation Manual User can make amendment and compensation of the measure data in all level measurement function, press MODIFY( ) to highlight the level offset box and then press to adjust it and press ENTER( ) to enable the input data.
  • Page 90 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-4-5 Figure 4-4-6 Four pages of Limit setting have been provided as Figure 4-4-3, Figure 4-4-4, Figure 4-4-5 and Figure 4-4-6. Five Limit items included in page one(1/4) , which is used for DVB-T singles test. The default value of these Limit items are list as Table 4-4-1.
  • Page 91 DS2400T DVB-T2 Signal Analysis Meter Operation Manual must be larger than six dB. Table 4-4-1 Item Limit Minimum Power 50dBμV Maximum Power 90dBμV MIN MER 10dB CBER 1E-5 VBER 1E-7 Page two(2/4) is used for analog TV test. The default value of these Limit items are list as Table 4-4-2.
  • Page 92 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Page three(3/4) is used for DVB-C singles test. five limit items list include of MIN POWER, MAX POWER, MIN MER, MAX PRE-BER and MAX POST-BER. The default value of these Limit items are list as Table 4-4-3. The difference between MAX POWER and MIN POWER must be larger than six dB.
  • Page 93 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Table 4-4-4 Item Limit 10dBμV MAX TILT 30 dBμV MAX NOISE To set the test limit, you can choose limit item by press TAB( ), and then press to adjust it. If you want to load default values of all limit items on...
  • Page 94 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.4.4 Auto Diagnosis You can enable the auto diagnosis function(PASS FAIL, refer to 3.3.3) as figure 4-4-7. Figure 4-4-7 NOTE: Before the auto diagnosis function can be work correctly, the Limit items in section 4-4-3 must be set the valid values.
  • Page 95 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.4.5.1 Battery Voltage As Figure 4-4-8, battery voltage will be displayed on the screen. When it is lower than 10.6V, this meter will remind that it will shut down automatically soon. Figure 4-4-8...
  • Page 96 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.4.5.2 Trunk Voltage(AC LINE) This meter will automatically judge whether it is AC or DC in the trunk, and display the trunk voltage on the screen as Figure 4-4-9. Figure 4-4-9 4.4.5.3 Temperature Inside...
  • Page 97 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-4-10 Figure 4-4-11...

  • Page 98: Channel Plan

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.5 Channel Plan 4.5.1 Select User Plan Up to five user plans can be built and saved. The user plans are labeled as A, B, C, D, and E. User can choose one as current user plan as Figure 4-5-1. Then, the meter will measure according to the selected the user plan.
  • Page 99 DS2400T DVB-T2 Signal Analysis Meter Operation Manual 4.5.2 Channel Number Type You can set the channel number to be displayed in digital (numeric) mode or standard (alphanumeric) mode. After choose, the meter will show the channel number as you desired in any measurement mode.
  • Page 100 DS2400T DVB-T2 Signal Analysis Meter Operation Manual NOTE: The LEARN USER PLAN will build the new user plan and replace the current selected user plan. If build other user plans, you can enter into SELECT USER PLAN and then make the LEARN USER PLAN operation.
  • Page 101 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Figure 4-5-3 EDIT CHANNEL PLAN will show the channels list on the screen as Figure4-5-3 , you can only exit this function by press the HOME ( ) key, press to highlight one channel, and press to edit status as Figure 4-5-4.

  • Page 102: Power Supply

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 5. Power Supply 5.1 Battery DS2400T uses built-in 12.6V 1.5AH Li-Polymer battery and works over 5 when fully charged. When the voltage of the battery drops below 11V, the battery icon flashes in screen. Once the voltage of the battery is lower than 10.6V, the instrument will shut...

  • Page 103: Charging

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 5.2 Charging Please charge the instrument as following charging process: 1. Insert the charger output plug to DS2400T’ DC charge socket. 2. Connect the charger to AC 100V-240V Power and the charger indicator will light with red.

  • Page 104: Port

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 6. Port The instrument can communicate with a PC through the 5 Pin communication port. Refer to figure 6-1. Figure 6-1 1 ---- TXD 2 ---- RXD 3 ---- NC 4 ----+5V 5 ---- GND Management PC software- Toolbox is provided as standard.

  • Page 105: Specification

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 7. Specification DVB-T Frequency 5~1052MHz Range Function Power, MER, CBER, VBER Carriers 2K/8K Guard Interval 1/4、1/8、1/16、 1/32 Code Rate 1/2、2/3、3/4、 DVB-T Signal 5/6、7/8 Parameters Modulation QPSK、16QAM、 64QAM Spectral Automatic Inversion Bandwidth 6/7/8MHz Channel...
  • Page 106 DS2400T DVB-T2 Signal Analysis Meter Operation Manual DVB-T2 Frequency 5~1052MHz Range Function Power, MER, CBER, LBER Carriers 2K/8K/4K/1K/16K/ 1/32、1/16、1/8、 Guard 1/4 、 1/128 、 Interval 19/128、19/256 DVB-T2 1/2、3/5 、2/3、 Code Rate Signal 3/4、4/5、5/6 Parameters QPSK 、 16QAM 、 Modulation 64QAM、256QAM...
  • Page 107 DS2400T DVB-T2 Signal Analysis Meter Operation Manual DVB-C Frequency ： Range: 5MHz to 1052MHz Accuracy: ±50×10 (20℃±5℃) Resolution: 10 KHz Receive 280 KHz Bandwidth: Channel Type: Analogue TV: Digital TV: 16/32/64/128/256 QAM Analog Level Measurement: Range: 30dBµV to 120dBµV Accuracy: ±1.5dB...
  • Page 108 DS2400T DVB-T2 Signal Analysis Meter Operation Manual ±2dB Accuracy： 1E-3 to 1E-9 before and after BER: R-S decoding Power Measure Type: Average Power: Level Range: 30dBµV to 110dBµV ±2.0dB Accuracy： 0.1dB Resolution： Channel Scan ： Number of 160 channels max.
  • Page 109 DS2400T DVB-T2 Signal Analysis Meter Operation Manual Trunk Voltage Measurement: Input Range: 0V to 100V (AC/DC) Accuracy: ±2V Resolution: 0.1V Other Function: Storage: 512K byte Communication RS 232C Port: Store -20℃～50℃ Temperature: Handset about Dimensions: 218mm×95mm×49mm Weight: Handset about 700g Display: 320×240 OLED...

  • Page 110: Standard Accessories

    DS2400T DVB-T2 Signal Analysis Meter Operation Manual 8. Standard Accessories Standard Accessories Quantity DS2400T AC-DC Power Adapter/Charger Data Cable(Serial to USB) Carrying Bag F connector Manual and Toolbox software CD...
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