English dropdown-ico

Manual LG Electronics 3803

57 pages 1 mb
Download

Go to site of 57

Summary
  • LG Electronics 3803 - page 1

    LG 3803 8VSB/QAM SIGNAL GENERA T OR INSTRUCTION MANUAL LEADER ELECTRONICS CORP . ...

  • LG Electronics 3803 - page 2

    T ABLE OF CONTENTS GENERAL SAFETY SUMMAR Y ............................................................................................. I 1. INTRODUCTION .............................................................................................................. 1- 1 1.1 Scope of W arranty ........................................................ ...

  • LG Electronics 3803 - page 3

    5.4 LEVEL ..................................................................................................................... 5-6 5.5 BER ....................................................................................................................... .. 5-7 5.5.1 SETUP ....................................................................... ...

  • LG Electronics 3803 - page 4

    GENERAL SAFETY SUMMAR Y ■ T o A void Personal Injury It is recommended that only qualified personnel with technical knowledge use this instrument only after reading and fully underst anding all functions of the instrument described this instruction manual. This instrument is not designed and manufactured for consu mers. If you do not have enough ...

  • LG Electronics 3803 - page 5

    GENERAL SAFETY SUMMAR Y Review the following safety precautions to avoi d operator's injury and lo ss of life and prevent damage and deterioration to this instrument. T o avoid potential hazards, use this pro duct as specified. W ARNING ■ W arnings on the Cases and Panels of the Instrument Operator should not remove any cases or p anel for a ...

  • LG Electronics 3803 - page 6

    GENERAL SAFETY SUMMAR Y W ARNING ■ W arning on Installation Environment s ● About the Guaranteed Operating T emperature Range Operate the instrument between the temperature range of 0 to 40 °C. Operating the instrument at higher temperatures could cause a fire hazard. Rapid changes of temperatures from cold to warm can create internal moisture ...

  • LG Electronics 3803 - page 7

    GENERAL SAFETY SUMMAR Y CAUTION ■ Caution on Input/Output T erminals Input T erminals are rated with a maximum input. Do not supp ly an input over the specified rating in the standard section of t he instruction manual. Also, do not supply external power to Output terminal, this could cause the instrument to malfunction. ■ Caution when Not to U ...

  • LG Electronics 3803 - page 8

    1. INTRODUCTION Thank you for purchasing Leader ’s measuring instrument s. Please read this instruction manual carefully to ensure correct and safe operation. If you have any difficulties or questions on how to use the instrument af ter you have read this manual, please feel free to contact your local Le ader agent. After you have read the manual ...

  • LG Electronics 3803 - page 9

    CAUTION 1.2.2 Maximum Input V olt age There is restriction when applying input signals. Applying excessive voltage to the connector may result instrument damage. Connector Allowable Input V oltage REMOTE CONTROL INC, DEC, RESET Pins -0.5 V/+5.5 V FREQ STD 10 MHz INPUT 2.5 Vp-p SYNC, V ALID, CLOCK, DA T A -0.5 V/+5.5 V CAUTION 1.2.3 Reverse V oltage ...

  • LG Electronics 3803 - page 10

    1.2.5 Inst allation Do not use the instrument in the following environments. • High temperature environments Do not place the instrument under direct sunlight or near a heater (e.g., st ove). Do not move the instrument from cold to warm environment abruptly , it may cause condensation. Operating temperature range: 0 to 40 ˚ C 5 to 40 ˚ C (When ...

  • LG Electronics 3803 - page 11

    2. SPEC IFICA TIONS 2.1 Description The LG 3803 8VSB/QAM Signal Generator , conforms to 8VSB (digital terrestrial TV in USA System) and 64QAM/256QAM (CA TV) standards, features a channel coding, modulation, C/N generator , and up converter in a single package. Consequently , the modulated signal covering VHF and UHF channels can be output. Providin ...

  • LG Electronics 3803 - page 12

    2.3 Specifications 2.3.1 Channel Coding Section (1) Broadcasting system Digital T errestrial (A TSC A/53B) CA TV (ITU-T J.83 annex B) (2) Modulation system 8VSB/64QAM/256 QAM 2.3.2 RF Signal Generator (1) Frequency Range 50 to 900 MHz Resolution 1 kHz, set in frequency Channel USA, KOREA Accuracy ±0.4 x 10 -6 (2) Output Range -100 to +13 dBm (into ...

  • LG Electronics 3803 - page 13

    (4) ASI, SPI Input S pecifications Input Packet Format 188 bytes Applicable S tream MPEG-2 TS (ISO/IEC 13818-1) Input Data Rate 25 Mbps max. (5) FREQ STD Input Input Connector BNC Input Impedance 50 Ω Input Level 0.8 Vp-p Input Frequency 10 MHz (6) FREQ STD Output Output Connector BNC Output Impedance 50 Ω Output Level +4 dBm Output Frequency 1 ...

  • LG Electronics 3803 - page 14

    2.3.6 External Interface (1) Memory Card Interface Memory Card Compact flash card (CF A TYPE-I) Function Updating firmware, changing internal TS-ROM (2) ETHER Interface S pecifications 10BASE-T or 100BASE-TX Function Setting this instrument, reading status (3) GPIB S pecifications ANSI/IEEE S td 488.1-1987. Function SH1, AH1, T8, L4, SR0, RL2, PP0, ...

  • LG Electronics 3803 - page 15

    3. P ANEL DESCRIPTIONS 3.1 Front Panel ○ 18 ○ 14 ○ 13 ○ 11 ○ 4 ○ 3 ○ 21 ○ 2 ○ 6 ○ 9 ○ 8 ○ 10 ○ 12 ○ 5 ○ 16 ○ 17 ○ 15 ○ 19 ○ 20 ○ 7 ○ 1 Figure 3-1 LG 3803 front panel ○ 1 POWER switch Push this switch in to apply power . Release this switch for turning power of f. The setting conditions immediately before ...

  • LG Electronics 3803 - page 16

    ○ 7 ME MOR Y CARD s lot Only used when the memory card contents are upgraded or updated. ○ 8 UP MENU key While displaying the setting screen, pressing this key enters the current dat a, then returns to the upper level by one. Holding down this key for at least one second enters the curr ent setting, then returns to the top screen. ○ 9 T en ke ...

  • LG Electronics 3803 - page 17

    ○ 16 RECALL key Recalls the setting conditions in the specified address. ○ 17 ↑ , ↓ key Increments and decrement s the specified address. ○ 18 UNIT key (UNIT) Selects either this instru ment or OOB when the LG 3803-01 unit is connected. ○ 19 REMOTE key (REMOTE) Switches the remote control mode to local control mode. This key is disabled ...

  • LG Electronics 3803 - page 18

    3.2 Rear Panel ○ 22 ○ 24 ○ 33 ○ 34 ○ 27 ○ 31 ○ 32 ○ 26 ○ 31 ○ 39 ○ 23 ○ 25 ○ 28 ○ 29 ○ 30 ○ 35 ○ 36 ○ 37 ○ 38 Figure 3-2 LG 3803 rear panel ○ 22 FREQ STD 10 MHz INPUT connector Accepts the external reference sign al. Apply 10 MHz reference signal when operating this instrument in synchronized with the equipme ...

  • LG Electronics 3803 - page 19

    ○ 31 Cooling fans (T wo places) T o prevent instrument damage due to overheating, do not block airflow through the ventilation holes. If the fan stops, the LCD p anel displays alarm message. T urn the instrument power off immediately , then contact your local Le ader agent in this case. ○ 32 ETHER connector Control connector for 10BASE-T or 100 ...

  • LG Electronics 3803 - page 20

    4. LCD P ANEL DESCRIPTION 4.1 T urning Power On and St arting Instrument Connect the accessory power cord between the AC inlet on the rear panel and the mains. Press the POWER switch to turn power on for starting the system. Whit for about 45 seconds until the top screen (S tatus screen) is displayed. The setting conditions immediately before turni ...

  • LG Electronics 3803 - page 21

    8 BER result display Displays the Bit Error Rate (BER) measurement value and GO/NO-GO results based on the threshold values. 9 Interleave Displays "- - -" when the carrier modulation is 8VSB. Displays the interleave length when the 64QAM or 256QAM is selected. 10 Country Displays the channel table: USA or KOREA. 1 1 C/N level Display the ...

  • LG Electronics 3803 - page 22

    <<Alarm display on the top screen>> • The following alarm message is displayed on the top screen. Message is displayed in red. [F AN] Indicates cooling fan trouble. If this alarm is display ed, turn the instrument power off, then cont act your local Leader agent. [TS IN] Monitors each input signal when SPI/ASI is selected as TS input. ...

  • LG Electronics 3803 - page 23

    <Setting screen example "CODING"> ○ 14 ○ 15 ○ 16 ○ 18 ○ 17 ○ 16 ○ 15 ○ 14 ○ 16 ○ 18 ○ 17 Figure 4-2 Setting screen example (1) 14 Screen title, hierarchica l layer display Displays the screen title and hierarchical layer from the top menu. 15 Unit information Indicate the setting para meter of this instrument o ...

  • LG Electronics 3803 - page 24

    <Setting screen example "LEVEL"> ○ 19 ○ 19 ○ 20 Figure 4-3 Setting screen example (2) 19 Numeric value display column Displays the current setting value. When data is set by using the numeric keyp ad, the value is displayed in white on the black background. Press the ENTER key to enter data. The value is only entered when the ...

  • LG Electronics 3803 - page 25

    4.3 Menu The top screen only displays the current setting status; there is no setting items. When changing the setting st atus, press the MENU key to display the setting screen. The MENU key function is listed below: CODING Selects the broadcastin g system and modulation mode. Selects the TS input source. Sets the Interleave. Selects the CW on/of f ...

  • LG Electronics 3803 - page 26

    5. USING MENU 5.1 CODING Pressing the CODING key in the MENU group enters setting screen. Figure 5-1 Coding screen This screen is used to select the modulation mode and TS signal, and to set items re lated to channel coding. T o exit settings, press other key in the MENU, or hold down the UP MENU key to return to the top screen (status display). ? ...

  • LG Electronics 3803 - page 27

    5.1.1 Source The TS source can be selected by pressing the Source (F1) key on t he Coding (L-1) screen. Notes on selecting TS_source • The receiver is temporary unlocked when TS source (each pattern stored in the ROM, PN, SPI, ASI) is switched since the coding circuit is reset. • When the external TS (SPI, ASI) is selected, reception cap abilit ...

  • LG Electronics 3803 - page 28

    (1) Selecting PN The random signal (PN23) can be output by setting the Source to PN on the TS Source (L-2) screen. (2) Selecting ROM Pattern The pattern stored in the ROM (called ROM p at tern) can be selected by setting the Source to ROM on the TS Source (L-2) screen, then press the Pattern (F1) key . Figure 5-3 ROM pattern selection screen • Pa ...

  • LG Electronics 3803 - page 29

    5.2 NOISE Figure 5-4 C/N setting screen • Up (F2) Increments the C/N value by preset step size within the acceptable r ange. • S tep Size (F3) Set s the step size for Up and Down operations. • Down (F4) Decrement s the C/N value by preset step size within the acceptable r ange. • C/N Addition (F5) Sets C/N on/of f. The C/N value can be dire ...

  • LG Electronics 3803 - page 30

    5.3 CHANNEL Figure 5-5 Channel or Frequency setting screen • Country (F1) Selects the channel t ables of USA or KOREA. • Up (F2) Increment s the channel or frequency by preset step size within the acceptable r ange. • S tep Size (F3) Sets the steps for Up and Down operations. ( ＊ Select able only when frequency is set.) • Down (F4) Decrem ...

  • LG Electronics 3803 - page 31

    5.4 LEVEL Figure 5-6 Level setting • Up (F2) Increments the level value by preset step size within the acceptable r ange. • S tep Size (F3) Sets the steps for Up and Down operations. • Down (F4) Decrements the level value by preset step size within the acceptable r ange. The LEVEL can be directly entered by using the numeric keyp ad, or chang ...

  • LG Electronics 3803 - page 32

    5.5 BER Figure 5-7 BER setting and measurement • BER Setup (F1) Sets the BER measurement conditions. Refer to Section 5.5.1. • Up (F2) Increment s the C/N or output level value by preset step size within the acceptable range. • S tep Size (F3) Selects the steps for C/N or output level. • Down (F4) Decrement s the C/N or output level value b ...

  • LG Electronics 3803 - page 33

    5.5.1 BER SETUP Figure 5-8 BER SETUP screen • Interface (F2) Selects the TS input for BER measurement. Parallel Use the SPI connector . Serial (2 Wire) Use both [CLOCK] and [DA T A] connectors in the SERIAL INPUT group. Serial (4 Wire) Use all of four connectors in the SERIAL INPUT group. • V alue Input Select (F5) Selects the item to be set. U ...

  • LG Electronics 3803 - page 34

    5.6 UTILITY Figure 5-9 Utility screen Software V e rsion Displays the control soft ware version. Provide the serial number indicated on the rear p anel and software number when cont acting us. TS ROM V ersion Displays the ROM p attern version. Installed Unit Displays the option installed. • Config (F1) Address of TCP/IP and GPIB is displayed. (Re ...

  • LG Electronics 3803 - page 35

    5.6.1 CONFIG Figure 5-10 CONFIG screen • TCP/IP (F1) Sets the IP-Address, Subnet Mask and Default Gateway . (Refer to Section 6.5.2) • GPIB Adr . (F2) Sets the GPIB Address. (Refer to Section 6.5.3) 5-10 ...

  • LG Electronics 3803 - page 36

    5.6.2 TCP/IP Figure 5-1 1 TCP/IP screen • Item Select (F5) Selects the item that input s the numeric value. The values can be directly entered by using the numeric keypad. Notes on TCP/IP setting ＊ The setting conditions will be recalled when the power is t urned on. 5-1 1 ...

  • LG Electronics 3803 - page 37

    5.6.3 GPIB ADDRESS Figure 5-12 GPIB ADDRESS screen • GPIB Adr . Up (F2) Increments the GPIB ADDRESS within the acceptable range. • GPIB Adr . Down (F4) Decrements the GPIB ADDRESS wi thin the accept able range. The setting value can be directly entered by using the numeric keypad, or changed by using the ↑,↓, Up (F2) and Down (F4) keys. Not ...

  • LG Electronics 3803 - page 38

    5.6.4 PRESET GROUP Figure 5-13 PRESET GROUP screen • CF Access (F1) Save the PRESET DA T A to the memory card and load it from the memory card. (Refer to Section 5.6.5) • Group No. Up (F2) ...

  • LG Electronics 3803 - page 39

    5.6.5 CF ACCESS Figure 5-14 CF ACCESS screen S tatus The operation status of SA VE/LOAD to the memory card is displayed. • Preset to CF (F1) Save the PRESET DA T A to the memory card. • CF to Preset (F2) Load the PRESET DA T A from the memory card to internal memory . 5.7 Internal Settings 5.7.1 Setting Calendar Change to the super user , then ...

  • LG Electronics 3803 - page 40

    6. PRESET , GROUP 6.1 Preset Up to 100 setting conditions can be stored and recalled by using the fron t panel key . • S toring Data (1) Set the CODING , CHANNEL, LEVEL, etc. (2) Press the ADDRESS key . The PRESET number LED brinks. (3) S pecify the address to store data by pressing the ↑ or ↓ key in the PRESET column, or enter address by usi ...

  • LG Electronics 3803 - page 41

    7. REMOTE CONTROL This instrument can be remotely controlled (e.g., increment s or decrements preset dat a) via the REMOTE CONTROL connector . (1) Major Function Increment, decrement, returning group top (2) Connector 57LE-40240-7700 (DDK Ltd.) or equivalent (3) Input Level TTL (Pull up to +3.3 V) (4) Input Logic Negative logic (5) Output Level TTL ...

  • LG Electronics 3803 - page 42

    8. GPIB Since this instrument provides the GPIB (IEEE 488) connector as st andard, major functions can be remotely controlled via the GPIB interface. Note The GPIB capability of this instrument is confirmed by using the GPIB board (PCI-GPIB, PCMCIA-GPIB) manufactured by National Instruments Corporation (NI). If other than the board mentioned above ...

  • LG Electronics 3803 - page 43

    8.3 Interface Message Function T able 8-2 Interface message and ASCII code Upper 4 bits 0 1 2 3 4 5 6 7 Lower 4 bits ASC MSG ASC MSG ASC MSG ASC MSG ASC MSG ASC MSG ASC MSG ASC MSG 0 NUL SPC 0 @ P ` p 1 GTL ! 1 A Q a q 2 " 2 B R b r 3 # 3 C S c s 4 SDC DCL $ 4 D T d t 5 % 5 E U e u 6 & 6 F V f v 7 ' 7 G W g w 8 ( 8 H X h x 9 ) 9 I Y i ...

  • LG Electronics 3803 - page 44

    8.5 Clear , Reset The Clear and Reset modes can be controlled by using the commands. The followings describe the reply for the clear and reset oper ations. (1) IFC (Interface clear) Reply of the universal command (IFC) is listed below . • Cancels specified talker and listener . • GPIB buffer and waiting command remain as is. • Remote control ...

  • LG Electronics 3803 - page 45

    8.7 Multiline Message Command T able 8-3 lists the multiline message command types and a reply to each command. T able 8-3 Reply of mul tiline message command T ype Name Description Reply DCL Clearing GPIB buffer Y es SPE Setting serial polling to S tate No SPD Clearing serial polling No PPU Clearing parallel polling No Universal Command LLO ...

  • LG Electronics 3803 - page 46

    (3) Program message unit sep arator Use a semicolon ";" (3Bh in ASCII code) when transfers multiple messages simultaneously . (4) Program data sep arator Use a comma "," (2Ch in ASCII code) to delimit multiple parameters. 8.1 1 Program Code List T able 8-4 Setting code list Header Data Description Unit 1 SY n 0 to 2 Selecting mo ...

  • LG Electronics 3803 - page 47

    T able 8-5 Query code list Header Data Description Reply 1 SY ? Reading modulation mo de selected n 2 T S ? Readin g signal selected to TS input n, p, q, r 3 CO ? Reading setting status of CN on (1), off (0) n 4 CN ? Readin g setting status of C/N value i 5 CL ? Reading setting status of step to be set n 6 BO ? Reading setting status of BER measure ...

  • LG Electronics 3803 - page 48

    8.12 Det ail Program Code This section describes the det ail program codes listed in Section 8.1 1. Definition: n, p, q, r , s 0 and natural number i Integer including decimal point ne Real number including exponential number _ S pace (20h in ASCII code) • T erminator is omitted for a syntax. Add the terminator at the end of the code (refer to Se ...

  • LG Electronics 3803 - page 49

    For Internal (OP70 installed. Reply only; no setting is required.) p Drive Used 0 HDD 1 DVD For ROM p Pattern Selection 0 Color Bar 1 Ramp 2 Monoscope q Screen Size Selection 0 1920 x 1080i (16:9) 1 1280 x 720p (16:9) 2 704 x 480i (16:9) 3 704 x 480i (4:3) r Sound Pattern 0 L: 1 kHz, R: 400 Hz 1 L, R: 1 kHz 2 L, R: 400 Hz (1) For PN TS_0 (PN) (2) F ...

  • LG Electronics 3803 - page 50

    (3) Setting C/N on/off ............................... "CO" Function Setting and querying C/N set in S tep (4) on/off. Syntax CO_n (Setting, reply) CO_? (Query) n C/N On/Off 0 Off 1 On (4) Setting and querying C/N value .......... "CN" Function Setting and querying C/N value added. Syntax CN_i (Setting, reply) CN_? (Query) i C/N ...

  • LG Electronics 3803 - page 51

    (9) Reading BER measurement value ..... "BR" Function Reading BER measurement value. Syntax ne (Reply) BR_? (Query) BER value ne: Replied in exponential format of 0.00E-0 ＊ This program code can only be used when the Source on the TS Source screen is set to PN. (10) Reading BER judgement results ........ "BJ" Function Reading ...

  • LG Electronics 3803 - page 52

    (13) Setting BER measurement interval .... "BI" Function Setting and querying BER measurement interval. Syntax BI_p (Setting, reply) BI_? (Query) BER measurement interval p: 0.1 to 3600.0 sec. Ef fective down to one digit after the decimal point. ＊ The value set in second is converted into the number of packet s ; it cannot be set in nu ...

  • LG Electronics 3803 - page 53

    (18) Setting frequency in current steps "DF" Function Setting and querying increment/decrement of frequency in current steps. Syntax DF_n (Setting, reply) DF_? (Query) n Frequency S teps 0 0.001 1 0.01 2 0.1 3 1.0 4 10.0 ＊ This program code is ignored when frequency is set in channel. (19) Setting output level .......................... ...

  • LG Electronics 3803 - page 54

    (23) Selecting reference clock "CK" Function Setting and querying reference clock. Syntax CK_n (Setting, reply) CK_? (Query) n Reference Clock 0 Internal 1 External input (24) Writing preset memory ....................... "ST" Function S toring current setting conditions to specified number . Syntax ST_n (Setting) n Preset numbe ...

  • LG Electronics 3803 - page 55

    (30) Setting group "GS" Function Setting and querying group. Syntax GS_n, p, q (Setting, reply) GS_n_? (Query) n Group numb er 0 to 9 p Begin address 0 to 98 q End address 1 to 99 ＊ The address numbers should be: begin address < end address. (31) Setting modulation.............................. "CW" Function Setting and que ...

  • LG Electronics 3803 - page 56

    9. ETHERNET 9.1 Connection When constructing the network system via the ETHER connector , use a STP cable conforming to 100BASE-TX standards. Use a straight cable when connecting the network via a hu b. Use a cross cable when connecting a personal computer . Network manager should set the TCP/IP of this instrument according to your local network en ...

  • LG Electronics 3803 - page 57

    10. MAINTENANCE The LG 3803 is designed to operate stably under normal handling. If you have questions regarding calibration and service, cont act your local Leader agent. ■ Open Source This instrument partially uses the open source distributed under the terms of the GNU General Public License. (http://www .gnu.org/copyleft/gpl.html) When the sou ...

Manufacturer LG Electronics Category Portable Generator

Documents that we receive from a manufacturer of a LG Electronics 3803 can be divided into several groups. They are, among others:
- LG Electronics technical drawings
- 3803 manuals
- LG Electronics product data sheets
- information booklets
- or energy labels LG Electronics 3803
All of them are important, but the most important information from the point of view of use of the device are in the user manual LG Electronics 3803.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals LG Electronics 3803, service manual, brief instructions and user manuals LG Electronics 3803. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product LG Electronics 3803.

Similar manuals

A complete manual for the device LG Electronics 3803, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use LG Electronics 3803 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of LG Electronics 3803.

A complete LG Electronics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual LG Electronics 3803 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the LG Electronics 3803, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the LG Electronics 3803, that we can find in the current document
3. Tips how to use the basic functions of the device LG Electronics 3803 - which should help us in our first steps of using LG Electronics 3803
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with LG Electronics 3803
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of LG Electronics 3803 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning LG Electronics 3803?

Use the form below

If you did not solve your problem by using a manual LG Electronics 3803, ask a question using the form below. If a user had a similar problem with LG Electronics 3803 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)