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Summary of Contents for Lem Elettronica AT47SAW
- Page 1 AT47SAW Programmable Selective Amplifier LEMELETTRONICA srl – Via Grezze 38 – 25015 Desenzano del Garda (BS) ITALY Tel. +39 030-9120006 Fax +39 030-9123035 www.lemelettronica.it...
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Page 3: Technical Specifications
Technical Specifications N° Input BI/BII (40… 108 MHz) N° Input BIII/DAB (170… 320 MHz) N° Input UHF Selectable 470… 790 MHz/470… 700MHz N° Programmable Clusters N° Channel per Cluster 1… 7 (8… 56 MHz) UHF Cluster Settings UHF1 UHF2 Clusters Gain Adjustment 0…... -
Page 4: Safety Instructions
The use of other power packs can cause malfunctioning and irreparable damages which will invalidate any warranties. Programming It is possible to programme the AT47SAW from either the front panel controls or from a the GUI software which is downloadable free of charge from our website LEM Graphic User Interface (GUI) From the download area in our website http://www.lemelettronica.it. - Page 5 Microsoft website. If correctly installed and started the GUI software will automatically find the USB interface of the AT47SAW amplifier, then all the setting, reading and storing operations, are available. Android Tablet e Smartphone Programming...
- Page 6 Manual Programming (from the keys on the front panel of the amplifier) At start-up (i.e. connection of the mains cable) the letter “b” will appear on the display. It indicates the microprocessor boot phase. Then the release “Firmware” will be indicated for a while to confirm the correct system initialization.
- Page 7 1) Lte G4 / G5 selection filter The AT47SAW UHF inputs are protected by selectable Lte G4 or G5 filters. Lt E.5 To select the proper Lte filter press the key “ENTER” for 3 seconds and the display will prompt for G5 (blue led) to set a different Lte filter press again “ENTER”...
- Page 8 Note: The cluster-group 6 - 1 assigns: 6 clusters to the UHF1 input and 1 cluster to the UHF2 input. Each cluster can be programmed for a bandwidth variable from 8 to 56 Mhz. with a 8 Mhz. step, that means from 1 to 7 UHF channels with 1 channel steps.
- Page 9 Procedure - start from visualisation mode (display fixed switched on) of the first cluster’s level settlement. - press the “UP” key: the display will show the F1 cluster . - The display will also indicate the F1 cluster’s start channel by the lighting of the second LED. - press “UP”...
- Page 10 5) Interstage attenuator regulation (UHF output level) After the input levels’ setting a further adjustment of the total output level of the UHF signals can be useful. Procedure LU.00 - press the “UP” or “DOWN” key to select on the display. - press the “ENTER”...
- Page 11 7) Remote power supply Each “RF” input can supply 12 or 24 VDC power, 100mA. * *amount of the total consumption of all the remote power supplied inputs. Procedure - You can enter into the remote power supply setting menu only if the display is in “POWER ON” status. - if the amplifier is not yet in the “POWER ON”...
- Page 12 Procedure - disconnect the mains cable of the power supplier unit from the 220V electric system. - keep pressing the “ENTER” key . - in the meantime reconnect the 220V mains cable. - wait till the display indicates 4 hyphens (it means that the reset was successful) . - then release the “ENTER”...
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