Planar IT-19C Operating Manual

Planar IT-19C Operating Manual

Qam signal analyzer

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IT-19C
QAM SIGNAL ANALYZER
OPERATING MANUAL

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Summary of Contents for Planar IT-19C

  • Page 1 IT-19C QAM SIGNAL ANALYZER OPERATING MANUAL...
  • Page 2 Revision 1.0 of 06.2019...
  • Page 3: Table Of Contents

    Table of contents 1 Introduction ......................... 4 2 General Description and Principle of Operation ............6 2.1 Function .......................... 6 2.2 Environmental Conditions ....................6 2.3 Package Contents ......................6 2.4 Specifications ........................7 2.5 Application Area ......................8 3 Preparation for Operation .................... 8 4 Operation Procedure ....................
  • Page 4: Introduction

    This Operating Manual is intended for introducing the design, functions, and basic instructions related to operation and servicing of the IT-19C QAM Signal Analyzer (Analyzer). Reliability of IT-19C is ensured by fulfilment of regular maintenance procedures. These procedures and their intervals are described in Section 5.
  • Page 5 Figure 1.1 Figure 1.2 This Operating Manual is made for the 02.019.02 hardware version of IT-19C Base Unit, software version 01.01.XX.XX of IT-19C and ViewIt19С software version for PC.
  • Page 6: General Description And Principle Of Operation

    MPEG stream packets, the noise immunity margin (MARGIN), and the constellation diagram (on PC screen). IT-19C provides with the automatic settings detection mode (channel frequency, symbol rate, modulation type). There is a spectrum analysis mode aimed at searching for any unwanted signal.
  • Page 7: Specifications

    6) Reference card ............... 1 pc.; 7) Quick start guide ..............1 pc.; 8) Operating manual is available for download from http://www.planarchel.ru. 2.4 Specifications Operating frequency range ..................5 to 1006 MHz Frequency resolution ....................... 125 kHz Input parameters: - input impedance within operating frequency range:……………………. 75 Ohm; - input impedance for frequencies up to 50 Hz:………………...
  • Page 8: Application Area

    Upon the arrival of the package, check the availability of all the items contained in it against the list provided (Section 2.3). If the IT-19C has been kept in the environment other than the rated operating conditions, leave your Analyzer in the environment with normal operating conditions for at least 2 hours before...
  • Page 9: Operation Procedure

    9) The «INPUT» connector is designed for the signal input, “F-male”-type connector. 4.2 Preparations for Measurement Before you operate your IT-19C, make sure to read this Operating Manual carefully, as well as to inspect the location of the controls and indicators of the Analyzer (Section 4.1).
  • Page 10: Measurement Procedure

    The purpose of the remaining parameters is described in section 4.5. After setting the parameters, press the «F1/Save» to save the settings or «F3/Cancel» to restore the old values. 4.3 Measurement Procedure 4.3.1 General Information IT-19C analyzer offers three measurement modes: Channel TV channel parameter measurement Scan...
  • Page 11: Channel Measurement Mode

    In measurement modes, the measured constant voltage (VDC) value or the alternating voltage (VAC) value of the cable network is displayed at the top of the screen. 4.3.2 Channel Measurement Mode In this mode, the measurement of TV channel parameters and the voltage level applied to the input of the device is performed.
  • Page 12: Scan Measurement Mode

    Figure 4.3 The following information is presented on the screen: • express-test result: PASS/FAIL if a quick scan is on (Section 4.4.3); • channel synchronization icon; • name and number of the channel; • CR: channel frequency and offset; • P: channel power; •...
  • Page 13 Figure 4.4 The screen shows: • express-test result: PASS/FAIL if a quick scan is on (Section 4.4.3); • channel type; • the name and the number of the channel; • TV channel frequency; • V: TV channel level or P: digital TV channel power; •...
  • Page 14: Spectrum Measurement Mode

    In the tilt measurement mode (Figure 4.5), the display shows levels of TV channels and the slope line between the peaks of the two selected channels. To select channels, press «F3/Marker» and adjust the position of the first and the last channels in the drop-down menu. Figure 4.5 4.3.4 Spectrum Measurement Mode This mode displays the signal spectrum.
  • Page 15: Data Logger Function

    To adjust the mode parameters, press «F1/Settings». Four parameters will appear in the drop- down menu to select: • Level scale. Possible values are 5, 10 dB; • Span. Span range. Possible values are 18, 36, 72 MHz; • Averaging. Possible values are Off, Low, Medium, High; •...
  • Page 16 Figure 4.8 The table contains the channel number, channel name, channel frequency and type (analog or digital). For general information about the channel plan, press «F2/Info». To edit the channel, press «F1/Channel». The pop-up menu shows the possible commands with the channel: 1) New.
  • Page 17 7) SNR method. Measurement mode of the Signal/Noise parameter. Possible values: On and Off. 6 parameters are provided for digital channels with unsupported digital modulation: 1) Type. Channel type: digital. 2) Number. Channel number. 3) Frequency. The center frequency of the channel. 4) Name.
  • Page 18: List Of Limit Plans

    4.4.3 List of Limit Plans Limit plans are designed to perform checks of the measured channel parameters while scanning the channel data logger, as well as during a quick check in the Channel and Scan measurement modes. In the main selection menu, the icon corresponds to the mode.
  • Page 19 1) General parameters: -Δ Level, dB Maximum value of channel levels ripple; - Δ Analog/Digital, dB The minimum and maximum difference between levels of analog and digital channels; - Δ Adj. Ch., dB The maximum difference between adjacent channel levels. 2) Parameters for analog channels: - Video level, dBuV Minimum and maximum value of channel levels;...
  • Page 20: Channel Data Logger

    4.4.4 Channel Data Logger 4.4.4.1 General Information The Channel Data Logger is intended for measuring TV channel parameters on one of the channel plans, checking cable network parameters for compliance with the selected limit plan and documenting the check results in the analyzer’s memory. The Channel Data Logger allows viewing the measurement results and errors in different parameters and uploading the data into your PC for further processing and report preparation.
  • Page 21 List of possible commands: 1) F1/Page Operations with the selected Channel Data Logger page. • New Creating a new page; • Delete Deleting a page; • Info Viewing current page information; • Open Viewing page content; 2) F2/Start Start scanning the selected channel Data Logger. 3) F3/Sort Sorting the table by Status, Name of the Channel Data Logger, Channel Plan or Limit Plan.
  • Page 22 To set the page scan time, set the Precision/Speed profile: Profile Parameter averaging BER measurement limit Fast by 1 value 1E-6 Normal by 2 values 1E-7 Precise by 4 values 1E-8 4.4.4.4 Viewing the Measured Data of the Channel Data Logger To view the Channel Data Logger page, press «F1/Page»...
  • Page 23 To view the general results of the Data Logger measured data, press «F2 /Map». The screen will display the list of channels in a graphical format (Figure 4.16). Figure 4.16 Each rectangle corresponds to a definite channel from the channel plan, which color determines its status.
  • Page 24: General Settings

    4.4.4.5 Scanning Channel Data Logger Page To start scanning the selected Channel Data Logger page (Section Ошибка! Источник ссылки не найден.), press the «F2/Start». A table for preparing scan data (Figure 4.12) will appear on the screen where you can tune the measurement parameters and scan speed. Press «F1/Ok» to confirm the start.
  • Page 25: Analyzer Self-Test

    Quick start Setting Analyzer switch-on behavior. The analyzer starts with the selection menu, or with the mode at the last power off. Level units Possible values: dBuV, dBmV, dBm. Channel Template Selecting channel allocation standard. 4.6 Analyzer Self-Test To check the correct functioning of the analyzer individual components and the operating conditions, the device self-test mode is intended.
  • Page 26: Identification Data Readout

    Figure 4.20 4.8 Operation Controlled by PC 4.8.1 General Information You can control your IT-19C QAM Signal Analyzer via PC that connects via USB. ViewIt19C and SoftManager software can be downloaded from http://www.planarchel.ru. 4.8.2 ViewIt19C Software ViewIt19C makes it possible to: 1) measure the following (for channels with analog modulation): •...
  • Page 27: Softmanager Pc Software

    • constellation diagram. 3) carry out the spectrum measurement within the full frequency band; 4) measure the channel level in accordance with the channel plan; 5) view and save all measured data; 6) view and save data logger pages; 7) view, edit and save Channel plans; 8) update the firmware.
  • Page 28: Connection To A Pc

    Figure 4.22 4.8.4 Connection to a PC To connect the Analyzer to a PC, perform the following: 1) Turn on the Analyzer and connect it to the PC via USB interface. 2) In the analyzer, enter to computer mode (the mode corresponds to the icon in the main menu).
  • Page 29: Updating Firmware Via Internet

    IT-19C analyzer. 4.9.2 Updating Firmware Via Internet To use this function, the device firmware update check must be enabled in the ViewIt19C settings. To update the firmware via Internet: 1) Connect the device to the ViewIt19C program (Sections 4.8.2, 4.8.4).
  • Page 30: Battery Operation

    If the capacity indicator is red, critical charge balance is indicated. In this case, you should charge the battery. To charge the battery, connect an external power source of 12 V or connect IT-19C to the vehicle power supply of 12 V. The Analyzer will turn on in operating mode. Fast battery charge will occur in the main menu mode.
  • Page 31: Maintenance

    5 Maintenance Required maintenance is limited to observation of rules related to proper operation, storage, and transportation set forth in this Manual and also minor fault elimination. Perform preventive inspections including check of controls, assembly reliability, and keypad condition after the warranty period has expired and annually since then. 6 Troubleshooting Fault occurrence: The analyzer doesn’t turn on in battery operation.
  • Page 32: Storage

    (Section 4.7). 10 Warranty Information The manufacturer warrants that the IT-19C QAM Signal Analyzer conforms to the specifications of this Manual when used in accordance with the operating regulations detailed in this Manual. The manufacturer or regional representative shall, at his discretion, repair or replace, for free, any Meter, recognized as faulty within the warranty period, which is twenty-four (24) months from the date of purchase.

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