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emitor Satlook Micro HD User Manual

Satellite test equipment
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Satlook Micro
HD
User Manual
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Summary of Contents for emitor Satlook Micro HD

  • Page 1 Satlook Micro User Manual ______________________________________ ______________________________________...

  • Page 2: Table Of Contents

    Contents Overview page 3 Quick Start page 4 EasyFind Mode page 6 Digital Mode page 7 Spectrum Mode page 13 Analog Mode page 15 Setup Functions page 19 Loading New Firmware page 24 Using PC to Transfer Transponder Data page 25 Appendix A - Saved Parameters page 27 Appendix B - Universal LNB Primer...

  • Page 3: Overview

    Overview The Satlook HD is Satellite Test Equipment for the professional made in Sweden. It can receive both DVB-S and DVB-S2 satellite signals and using an advanced demodulator can “lock” on transponders using automatic modulation type, symbol rate and FEC selection. It is easily operated with just three controls and the basic functions are easy to learn.

  • Page 4: Quick Start

    Quick Start Power On/Off Button Menu Knob and Button LNB-A connector LNB-B connector Power Input for charging RS232 Port Reset Button Power On The Satlook HD is turned on by pressing and holding the power on button for one second. Power on tones indicate that firmware loading has started.
  • Page 5 For other functions, a new screen with choices is presented. Pressing the Menu Button selects the highlighted item. Some of these other functions have an exit function that is used to return to the current mode. The Menu Knob is used for Frequency adjustment when in the Digital mode or the Spectrum mode.

  • Page 6: Easyfind Mode

    EasyFind Mode The EasyFind Mode is an easy way to point the dish at installation. When the EasyFind Mode is entered, the Profile defined in the Setup EasyFind Configuration is used. The five satellite transponders (or in the case of All Sats, all of the memory positions) which are in the Profile can be selected with the knob.

  • Page 7: Digital Mode

    Digital Mode Locked Not Locked About Digital Mode When the user enters Digital Mode, the Satlook HD will attempt to receive a DVB-S or DVB-S2 signal at the current frequency. The current frequency is displayed in the centre of the screen and can be changed by the knob (within the limits of the current LNB type and the 22 kHz setting).
  • Page 8 A constellation pattern is shown which is formed from a small subset of the IQ decision points received by the demodulator. Occasionally, during an attempt to lock, a calibration pattern can be observed momentarily. This is not a real signal, but is an artefact of the demodulator process. The current state of the 22 kHz signal and the LNB voltage are displayed at the left.
  • Page 9 ∑     ideal ideal   ∑   error error Accessing the Digital Menu When in the Digital Mode, turning the knob will change the current frequency. The Menu button will activate the Digital Menu. Tuning This function enters Digital Mode with the Search function disabled.
  • Page 10 X Polarity This function can provide a visual reference of the signal level of the vertical and horizontal polarisations at a frequency. This can be used to adjust the LNB skew for maximum isolation. Many satellite transponders (like Astra 28.2) operate so that the vertical and horizontal polarisation signals are not usually at the same frequency, but others (like Hotbird) have some transponders that operate with vertical and horizontal polarisations at the same frequency.
  • Page 11 13V/18V The LNB voltage can be switched from the Digital Menu. 22kHz The 22kHz signal can be switched from the Digital Menu. SNR Beeper This function starts the beeper with a frequency depending on the current SNR reading. As the SNR increases, so does the frequency of the tone. Channels This shows the services available on the current transponder.
  • Page 12 Save Memory The Save Memory function saves the current Frequency, Polarity (13V/18V), Band (22kHz signal state), and LNB Type in the selected location. The knob can be turned to select the desired memory position to change. If a new name is needed for the memory position, then it can be entered on the next screen when the menu button is pressed to select the memory position number.

  • Page 13: Spectrum Mode

    Spectrum Mode About Spectrum Mode The Spectrum Mode shows the signal power versus frequency around the current frequency. On entry to the Spectrum Mode, the spectrum cursor is in the centre of the display and the centre frequency is set to the last used frequency.
  • Page 14 13V/18V and 22kHz From the Spectrum Menu, the Polarity and Band can be changed with the 13/18V and the 22kHz signal.

  • Page 15: Analog Mode

    Analog Mode About Analog Mode The screen in Analog mode shows the relative RF level for the two LNB inputs on a thermometer bar. This is the RF level for the IF band from 920 MHz to 2150 MHz. For a Universal LNB, the Satellite band will be selected from one of the four quadrants by the 13V/18V and the 22 kHz signal.
  • Page 16 Rotating the knob will scroll through the menu items. To select a menu item, press the menu button. If the Menu Timeout function (set using Setup mode) is set, then the display will revert to the Analog Mode display after a timeout, otherwise the Analog menu will continue to be displayed until an Analog function is selected from the Analog menu.
  • Page 17 This function sends a DiSEqC command. Turning the knob shows the DiSEqC command selected and pressing the knob button sends this command. The Exit position returns the user to Analog mode. The DiSEqC commands that are sent are detailed in appendix C (DiSEqC Primer). Positioner This function sends a DiSEqC command to a positioner.
  • Page 18 Goto X 13.0 E. The Goto X function calculates the amount to move the positioner from the Satellite Angle and the user Latitude and Longitude. In order for the command sent to be correct, the Latitude and Longitude must be set for the user location.

  • Page 19: Setup Functions

    Setup Functions Contrast The Contrast function shows a black and white grid and allows the adjustment of the display contrast for best viewing using the knob. Pressing the knob button exits the contrast adjustment and saves the current contrast settings. Invert Knob Pressing the Knob button for the Invert Knob function changes the way the knob rotation is interpreted.
  • Page 20 AutoOff Timeout This function sets the AutoOff timeout if required. If the knob button or knob is not used for the timeout period, then the Satlook will display “AutoOff” and power down. This setting is then saved as a power on parameter. Backlight Configuration The backlight can be set so that it will turn off after a delay.
  • Page 21 The “10.7 Univ” entry is similar except that the two local oscillator frequencies are 9750MHz and 10700MHz. The “5.15” LNB type is for C Band. The LNB downconversion for this LNB is: IF = Frequency - Frequency Satellite The “IF” entry uses no conversion. The frequency displayed is in the 950MHz to 2150MHz band.
  • Page 22 StartUp Mode The mode on power up can be chosen for the Satlook HD. This setting is a saved parameter. Menu Timeout The menu timeout can be set so that if no action is performed, then the display of the current mode will resume automatically. If “No Time Out” is chosen, the menu will remain active until the button is used to select a function.
  • Page 23 Version The Version menu shows the software and hardware versions and related information.

  • Page 24: Loading New Firmware

    Loading New Firmware A new firmware version can be loaded to correct issues that are reported in the firmware release notes. The firmware for the Satlook HD is identified as “smHD60-EU.hex” with the number “60” being the version number. Do not load any firmware without this type of name, it will be for a different instrument and will not work on the Satlook HD.

  • Page 25: Using Pc To Transfer Transponder Data

    Using PC to transfer transponder data The transponder data in the Satlook HD is stored in permanent memory. The transponder data is stored in 100 memory positions that contain the Name, Frequency, LNB type, LNB voltage 13V/18V, 22 kHz signal state, etc. It also contains the EasyFind setup data.
  • Page 26 The data transfer can be performed when the Satlook HD is in the Analog mode or when a menu is being displayed. Transferring data when the Satlook HD is in the Digital Mode or the Spectrum Mode should be avoided because the unit is very busy during these modes.

  • Page 27: Appendix A - Saved Parameters

    Appendix A – Saved Parameters These parameters are saved on power down of the Satlook HD and restored on power up. They are not saved in the *.smd Transponder files. LNB Type AutoOff Value Contrast Value Last Memory Value Loaded MyLatitude MyLongitude Spectrum Sweep value...

  • Page 28: Appendix B - Universal Lnb Primer

    Appendix B – Universal LNB Primer The LNB (low noise block amplifier) has evolved since its early introduction in Satellite broadcasting. Signals broadcast from satellites are 10600 MHz to 12700 MHz for Ku band and 3000 MHz to 4500 MHz for C band. Because the losses in coax are quite high for these frequencies, the satellite signal is first downconverted to a more manageable 950 MHz to 2150 MHz for transmission from the dish to the receiver.

  • Page 29: Appendix C - Diseqc Primer

    Appendix C – DiSEqC Primer About DiSEqC DiSEqC is an acronym for “Digital Satellite Equipment Control” and is achieved using the 22kHz signalling tone. The 22 kHz signal is imposed on the LNB DC voltage of 13V or 18V at a level of 0.65V p-p. Normally, the 22kHz signal is either continuously on or off.
  • Page 30 Go Home: 0xe0, 0x31, 0x6b, 0x00 Go West: 0xe0, 0x31, 0x69, 0x1e Set East: 0xe0, 0x31, 0x66 Clr Lim: 0xe0, 0x31, 0x63 Set West: 0xe0, 0x31, 0x67 Goto Pos: 0xe0, 0x31, 0x6b, <Position Number 1 to 31> Save Pos: 0xe0, 0x31, 0x6a, <Position Number 1 to 31> Goto X: 0xe0, 0x31, 0x6e, <Movement High Byte>, <Movement Low Byte>...

  • Page 31: Appendix D Dvb-S And Dvb-S2 Primer

    Appendix D DVB-S and DVB-S2 Primer DVB-S and DVB-S2 both use phase shift keying to digitally modulate a carrier. Quadrature phase shift keying is used in both and the digital data is encoded as a 90 degree phase shift in the signal. This gives 4 possible states for each sampling interval.

  • Page 32: Appendix E Unicable Primer

    Appendix E UniCable Primer UniCable or SCIF (Single Cable Interface) is a method of translating Satellite frequencies from the LNB to the user. It is intended to allow multiple receivers to share the same coaxial cable. With a standard Universal LNB, with Horizontal and Vertical polarity and low and high band, there are four frequency ranges that can be selected from the LNB by using the 13V/18V and the 22kHz signal.
  • Page 33 For further detail on UniCable, see the specification EN 50494 – Satellite signal distribution over a single coaxial cable in single dwelling installations. UniCable Commands: (only the 5 byte commands are shown) ODU_Power_OFF: (0xe0 0x00 0x5a D1 0x00) Turn power off for the selected User Band. D1 is defined as bit 5,6,7 select the User Band and bit 0,1,2,3,4 = 0;...

  • Page 34: Appendix F - Satlook Hd *.Smd File Structure

    Appendix F Satlook HD File Structure Transponder memory positions &&<Pos:001>55 49 6E 73 61 74 34 35 45 00 FF 07 31 00 00 05 78 00 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF This is a line from a typical *.smd file.

  • Page 35: Appendix G - Satlook Hd Specifications

    Appendix G – Satlook HD Specifications • Automatically acquires DVB-S and DVB-S2 transponders using advanced demodulator to determine FEC and Symbol Rate. • Input frequency: 920-2150MHz • Input level: 35-100 dBuV • Input/output impedance: 75 Ohm, F-connectors • Measuring method (Analog): RF Signal presentation in thermometer scales for both LNB inputs Loadspeaker tone changes with signal level when enabled •...

  • Page 36: Glossary

    Glossary 8PSK: (8 Phase Shift Keying). This is the modulation type that is used for DVB- S2 also called HD. In 8PSK, a symbol has 8 states or 3 bits. On the constellation diagram, an 8PSK signal either be “Normal”, with the eight points around a circle centred on the origins or “Rotated”...
  • Page 37 Symbol Rate. These samples are called IQ decision points (as seen on the constellation diagram) and are then form the digital input symbols. LNB: (Low Noise Block) The general name for the amplifier and downconverter at the dish. MaxHold: In the Analog Mode, this can be used to “remember” the highest peak of the RF signal.

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