ST-4
USER MANUAL
5
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DIRECT FREQUENCY INPUT ................................................................................................. 21
{
WHO IS THERE?AUTODISCOVERY ®................................................................................... 21
~ FM /FM RADIO SIGNALS TUNING [87,5 – 108 MHz]................................................... 22
9.3 EXPLORE USER DEFINED CHANNEL......................................................................... 23
10 PERFORMING MEASURES: MEAS........................................................................................ 24
10.1 THE SELECTED CHANNEL CARRIERS ON AN ANALOGUE TV SIGNAL................. 24
~ VIDEO SIGNAL PEAK LEVEL MEASUREMENT .......................................................... 24
~ VIDEO Vs. AUDIO PEAK LEVEL RATIO AND SIGNAL TO NOISE RATIO.................. 25
~ SPECTRUM ANALYSIS OF THE TUNED CHANNEL................................................... 25
10.2 THE SELECTED CHANNEL CARRIERS ON A DTT (COFDM) SIGNAL...................... 26
~ THE CHANNEL IS SUCCESSFULLY LOCKED (THE LOCK ON THE LCD BOTTOM-
RIGHT CORNER IS CLOSED) ................................................................................... 26
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NOISE MARGIN, QUALITY TEST, MER AND SNR MEASUREMENTS.................................. 26
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BER MEASUREMENTS BEFORE AND AFTER ERROR CORRECTION VITERBI................. 26
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CONSTELLATION CHART AND OFDM PARAMETER ........................................................... 28
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IMPULSE RESPONSE OF THE SELECTED CHANNEL ......................................................... 29
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BOUQUET DATA ID.................................................................................................................30
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CHANNEL POWER MEASUREMENT ..................................................................................... 30
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DISPLAYING THE SERVICE LIST OF THE CURRENT BOUQUET........................................ 31
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BUZZER FUNCTION (ASSISTED ANTENNA ALIGNMENT)................................................... 32
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SPECTRUM ANALYZER MODE .............................................................................................. 32
~ THE CHANNEL IS NOT SUCCESSFULLY LOCKED (THE LOCK ON THE LCD
BOTTOM-RIGHT CORNER IS OPEN) ....................................................................... 32
11 SPECTRUM ANALYZER MODE ............................................................................................. 33
11.1 SURFING THE CHANNELS........................................................................................... 34
11.2 MOVING THE MARKER (FREQUENCY VALUE).......................................................... 34
11.3 EDITING THE SIGNAL LEVEL END OF SCALE........................................................... 34
11.4 EDITING THE SPAN VALUE ......................................................................................... 34
11.5 ACTIVATE THE MAX HOLD FUNCTION ...................................................................... 34
11.6 FULL BAND MAPPING .................................................................................................. 34
~ FULL BAND MAPPING DISPLAY CONFIGURATION................................................... 34
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SIGNAL LEVEL / CHANNEL POWER DETECTED INTO EACH CHANNEL (BARSCAN)....... 34
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AUDIO AND VIDEO PEAK LEVEL DETECTED INTO EACH CHANNEL ................................ 35
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SIGNAL LEVEL COMPARISON (TILT) BETWEEN TWO USERS-DEFINED CHANNEL ........ 35
~ ACTIVATE THE FULL BAND MAPPING ....................................................................... 35
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FULL BAND SIGNAL LEVEL ANALYSIS IN EACH CHANNEL (LEVEL) ................................. 35
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FULL BAND AUDIO AND VIDEO PEAK LEVEL ANALYSYS INTO EACH CHANNEL
(AUD/VID)........................................................................................................................................... 36
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FULL BAND SIGNAL LEVEL COMPARISON BETWEEN TWO USER-DEFINED CHANNELS
(TILT).................................................................................................................................................. 36
12 CREATE MEMORY PLANS..................................................................................................... 38
12.1 CREATING A MEMORY PLAN BY AUTO SEEK & STORE OF ANY RECEIVABLE
CHANNEL: AUTOSCAN................................................................................................. 38
~ SELECT A TARGET AUTOMEMORY CHANNEL PLAN............................................... 38
~ ANALOGUE SIGNALS: VIDEO SIGNAL LEVEL THRESHOLD SETUP....................... 38
{
DIGITAL SIGNALS: CHANNEL POWER LEVEL THRESHOLD SETUP.................................. 38
~ SEEK&STORE (SCAN) START ..................................................................................... 39
12.2 MANUALLY CREATING A MEMORY PLAN: MANUMEMORY..................................... 39
~ CREATE A BRAND NEW MEMORY PLAN................................................................... 39
~ ADDING A FURTHER CHANNEL TO AN EXISTING MEMORY PLAN........................ 40
~ ADDING A FURTHER CHANNEL TO A MEMORY PLAN CURRENTLY IN USE ........ 40
