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Related Manuals for emitor DIGIAIR PRO
Summary of Contents for emitor DIGIAIR PRO
- Page 1 DIGIAIR PRO USER MANUAL...
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Page 2: Table Of Contents
3.5 DIGITAL MODE TECHNICAL SPECIFICATION DIGIAIR PRO - DESCRIPTION Emitor´s DIGIAIR Pro is developed in Sweden for exact alignment and adjustment of terrestrial antennas. This is made for both analogue (dBuV) and digital DVB-T – COFDM. DIGIAIR Pro is microprocessor controlled, making it very reliable and accurate. -
Page 3: Getting Started
OFF, push and hold down the ON/OFF button. 1.2 Power supply and battery DIGIAIR PRO can be fed by an external power-supply through the VDC port, by an external power-source (10-18v DC, max 1A). This is useful in case that the battery goes empty during an installation. -
Page 4: Attenuator
It is very easy to point an antenna towards a transmitter in this mode. The “maxhold function” (small bar in the big bar) will make it very accurate. It is possible to turn the display upside down by pressing and holding MODE for two seconds. -
Page 5: Description Of The Functions
The display shows six channels on each page and there are five pages. Step through the pages with the “UP” and “DOWN” buttons. Spectrum-mode is accessed with another push on the MODE button Press OK for Zoom - in this mode the stepping will be 1 MHz. The meter shows the frequency spectrum of 48-860 MHz. -
Page 6: Multi Channel Mode
In this mode the meter measure the signal strength of six individually selected channels. DIGIAIR Pro can be set up with five such pages of six channels (5x6 channels). The page number is indicated in the top-right corner. To scroll through the pages use the UP/DOWN buttons. -
Page 7: Beeper
3.1 Beeper Choose Beeper On/Off in the main menu to turn the beeper (pitch tone) On or Off. It is only audible in Single channel mode. The idea is to help finding the strongest signal on the selected channel by listening to the highest pitch of the tone. 3.2 Antenna voltage Choose Antenna voltage in the main menu and select 0V,5V,12V or 24V to be fed to the ANTENNA port. -
Page 8: Lcd
Chose the region/channel plan where the meter will be used. 3.3.5 Channel groups - Select channels In this mode You can select the channels to be stored in DIGIAIR Pro´s memory. The stored channels are shown in Multi channel mode. -
Page 9: Auto Power Off
B) - Chose the next channel to change by highlighting it with the “UP”/”DOWN” buttons. - Press the “MODE”-button to open up the memory position. - The channel nr will start to flash faster. - Set the new channel with the “UP”/”DOWN”-buttons. - Press the “MODE”... -
Page 10: Technical Specification
Technical specification: Input frequency: 48-860 MHz. Input level: 30-80 dBuV. Attenuator: On/Off (approx -20 dB). Input impedance: 75 Ohm, F-connector. Short circuit protection: Automatic fuse on antenna-input. Measuring method: in digital: Three bars showing: - PRE-BER (Bit Error Rate before viterbi-correction). - POST-BER (Bit Error Rate after viterbi-correction).
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