TV Explorer HD ATSC manual - Promax

USER’S MANUAL. TV EXPLORER HD ATSCPower the signal generators of the RP PROMAX family through theTV EXPLORER HD ATSC or an external power supply. To set the External supplyfunction (see section '5.7 External Units Power Supply') press the[11] key, and therotary selector [1] to set a voltage of 13 V.Finally, select the SAT IF TEST application on UTILITIES [22] menu for SATband, or the ATTENUATION TEST for terrestrial band and connect the generator to thepoint where the antenna will be connected (signal source).EnglishPress the [17] key to see on screen the measurement CONFIGURATION. Bymeans of the Threshold Attenuation option is possible to adjust the maximum differencebetween the pilots reference level from 5 to 50 dBµV.Later, by means of the horizontal cursors [6] key, select the Calibrate function(see the following figure). Wait for some seconds until the calibration process for threepilots is completed: MEASURING REF. is indicated on screen while this process is inprogress.Figure 16.- SAT IF Test. Satellite band.The calibration process must be carried out over the point of the installation whichis taken as reference, i.e. usually the headend. During this process is determined thenumber of pilot frequencies to check, from one to three, in addition to the reference levelfor pilots. In order to determine the number of pilots, the equipment takes the higherfound level and verifies that the other pilots have a non lower level to the reference oneplus the defined threshold level. If the pilot agrees this condition it will show on screen.03/2012 Page 39