Kathrein UFD 520 manual LNB configuration, Oscillator frequency L.O

Page 37

Password

You should not change the following settings without good reason as they repre- sent factory settings or operational settings that are adapted to your receiving sys- tem.

New settings are only required when changes or expansions are made to the re- ception system.

The main menu consists of the following submenus:

Select the "Installation" menu with the menu button ￿, the ￿￿buttons in the main menu and ￿. If set, you must also enter the password. Select the menu points with the ￿￿buttons.

LNB configuration

The first submenu is the "LNB

configuration". Press ￿to open this menu. Normally, you should not make any changes in this submenu. Before making any changes, however, you should make a note of the settings in the form provided at the end of this User's Guide.

Your receiver is set at the factory to the satellites of the ASTRA and HotBird sys- tems.

The other basic settings are shown in the illustration above.

Oscillator frequency L.O.

Satellite receiver systems consist of the parabolic antenna (satellite dish) with the actual receiving system mounted in front of it (LNB – Low Noise Block Converter or LNC - Low Noise Converter) which converts the RF signals of the satellite to a lower frequency so it can be processed by a satellite receiver.

The satellite transmission frequencies are within the following ranges:

10,7…11,7 GHz

Low-band ( Low-band / analogue transmission)

11,7…12,75 GHz

High-band (High-band / digital transmission) (valid

 

for ASTRA satellites at 19,2° E)

The reception frequency of the receiver, however, is in the range from 950 to 2150 MHz. The high frequencies are therefore stepped down with the aid of the oscillator frequency (LO frequency / LO = Local Oscillator of the LNB) to a lower frequency.

Various oscillator frequencies are used for this purpose depending on the satellite frequency range and the type of system.

For ASTRA and Eutelsat receiver systems, this frequency is normally 9.75 GHz (9750 MHz) for the lower frequency range (low-band) and 10.6 GHz (10600 MHz) for the upper frequency (high-band). Older receiver systems still operate in the low- band range with a 10 GHz oscillator frequency.

The receiver generates its required frequency by subtracting the oscillator fre- quency from the satellite transmission frequency stored for each channel. You only need to set the oscillator frequencies that your receiver system actually uses. Therefore, before changing the LO frequency make sure that this is at all neces- sary.

The oscillator frequencies shown at the top of the picture are factory settings.

37

Image 37
Contents Operating Manual Page Important Notes PrefaceContents Oscillator frequency L.O Changing the oscillator frequency Transponder selection Safety instructions Ventilation Place of installationHumidity, exposure to sunlight, heat Mains voltageView of front panel Controls, displays and connectionsView of rear panel Remote control handset keys Receiver on the command set Command of the remote controlMenu concept Operating instructionsButton functions Alphanumeric entriesLanguage selection OSD Connection and start-up Presetting receiving systemTo connect receiver Sat if connectionLNB-supply voltage Inserting batteries in the remote controlTV and video recorder connection Audio connectionFactory setting of receiver First time installationFirst steps Error message TV programme list Radio channel indicatorOn screen displays Important screen displaysRadio programme list Selecting a TV programme Programme selectionReception status digital Reception status analogue Switching over to radio programmeSelecting a radio programme by number entry Reception status radioVPS-Signal Timer settingsSetting the volume Sound settingsStereo and two-channel sound reproduction MuteSelecting TV/radio programmes last received Programme list TV/radioFavourite programmes To delete a programme Programme assortmentTo add a programme manually Analogue programme list To add analogue programmesAdding/removing satellites Setting up a satelliteTo remove a satellite To enter a satellite nameProgramme overview EPG timer programmingFull EPG Factory setting PasswordEntering a password Parental lockPassword Backup operation System parameters Setting system parametersTV type Summer timePicture format ScreenOSD trans Oscillator frequency L.O LNB configurationChanging the oscillator frequency Installation menuAntenna settings DiSEqC settingSatellite search Transponder selection TP set-up/searchAll new programmes are added to the existing programme list DiSEqC UFO Set-upHigh/Low Pre-programming is not deleted with Reset Video menu Analogue settingAudio mode HDP ModeAudio menu DecoderBandwidth Frequency left/rightDe-emphasis Recording Video recorder connectionPlayback Path must be set to external refer to section Video menu Analogue decoder connection„Display info Software and programme lists updatePreparation Data transfer from receiver to receiverTransferring programme lists Transferring operating softwareTechnical annex Technical featuresTechnical data Switchover VHS/S-VHS AccessoriesScart socket assignments Connection arrangement Connection examplesBrückeund DVB Glossary, abbreviationsAC3 Short technical lexiconShort technical lexicon Satellite ServiceDiSEqC menu 998.6248/1001/ZWT Subject to technical modifications