UNAOHM
2
EP2500 (Rev. 0)
7.15 MEASUREMENT FUNCTION....................................................................................... 27
7.15.1 Measurement Demodulator Selection....................................................................... 28
7.15.2 Audio Signal Reception............................................................................................. 28
7.15.3 Audio
Monitor ........................................................................................................... 28
7.15.4 Aural Duplication of Signal Level or DCP Measurement ........................................ 28
7.15.5 Video Signal Quality ................................................................................................. 29
7.16 TV & TELETEXT FUNCTION ....................................................................................... 29
7.16.1 Selection of the TV-Standard .................................................................................... 29
7.16.2 Synch
Pulse
Display.................................................................................................. 29
7.17 MONITOR FUNCTION................................................................................................... 30
7.18 USE OF THE PROGRAM MEMORIES ......................................................................... 30
7.19 SPECIAL MEASUREMENTS......................................................................................... 30
7.19.1 Video-to-Audio
Ratio ................................................................................................ 31
7.19.2 (DCP)
Digital
Channel
Power.................................................................................. 31
7.19.3 Carrier-to-Noise
Ratio
(C/N).................................................................................... 32
7.19.4 QPSK, QAM or OFDM Demodulator for Digital Signals........................................ 32
7.19.5 QAM and OFDM CH BER Estimation ..................................................................... 32
7.19.5.1
OFDM CH BER Estimation ............................................................................... 32
7.19.5.2
QAM BER Estimation......................................................................................... 33
7.20 DATA LOGGER .............................................................................................................. 33
7.20.1 How to Carry Out an Acquisition ............................................................................. 34
7.20.2 Definition of Measurements and Parameters to Acquire.......................................... 34
7.20.3 Inspection of the Stored Measurements .................................................................... 34
7.20.4 Cancellation of All Data Stored................................................................................ 35
7.20.5 Cancellation of the Last Datum Stored..................................................................... 35
7.20.6 Data
Download ......................................................................................................... 35
7.20.6.1
RS232 Transmission Parameters ....................................................................... 35
7.21 USE OF THE SCART SOCKET...................................................................................... 35
7.21.1 Description of the Connections................................................................................. 36
7.22 RS232 SERIAL PORT CONNECTION........................................................................... 36
7.22.1 Connections............................................................................................................... 36
7.22.2 Transmission
Format ................................................................................................ 37
7.22.3 General Notes for Connection to a Personal Computer........................................... 37
7.23 USB PORT CONNECTION............................................................................................. 37
7.23.1 How to Load USB Drivers onto a PC ....................................................................... 37
7.23.2 How to Use the USB Port Correctly ......................................................................... 38
8 UTILITY
ROUTINES .................................................................................................................38
8.1 DESCRIPTION OF THE MAIN MENU AND THE SUBMENUS ................................ 38
8.2 EXAMPLES...................................................................................................................... 39
8.2.1 Buzzer
ON/OFF ........................................................................................................ 39
8.2.2 Video
Filter ............................................................................................................... 39
9 DVB-S DVB-C DVB-T DEMODULATORS .............................................................................40
9.1.1
QPSK Display Description ....................................................................................... 40
9.1.2
How to Use the QPSK Card...................................................................................... 41
9.1.3
OFDM Display Description...................................................................................... 42
9.1.4
How to Use the OFDM Card .................................................................................... 43
9.1.5
QAM Display Description......................................................................................... 43
9.1.6
How to Use the QAM Card ....................................................................................... 44
10 MPEG CARD ...............................................................................................................................45
10.1 HOW TO USE THE MPEG CARD ................................................................................. 45
