Kathrein MSK 125 Level Measurement of DVB-C/DVB-T/H Signals, To call up DVB-C/DVB-T/H measurement

Models: MSK 125

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TV MEASUREMENT

If you do not wish to change the modulation type, press

1 = QAM 64 demodulation

2 = QAM 128 demodulation

3 = DOCSIS QAM 64 demodulation

4 = QAM 256 demodulation

After selecting the modulation type you are automatically directed to the symbol rate entry.

Select the appropriate symbol rate by pressing

to

.

LC display:

 

 

1 = 6900 kS

2 = 6111 kS

3 = 6875 kS

4 = USER

Press the button to go to the menu for USER entry of the

symbol rate.

Enter the desired symbol rate and complete your entry by pressing

the button.

After selecting the symbol rate you are automatically directed to the HF standard switch.

LEVEL MEASUREMENT OF “DVB-C”/“DVB-T/H” SIGNALS

ANALOGUE CABLE/DVB C SWITCH

 

Press once

= Analogue cable TV

 

Press again

= DVB-C

Channel: Special channel 54

 

• Operating mode: TV DVB-C

 

Measured level: 62.5 dBµV

 

DVB-C/DVB-T/H MER, BER AND OFFSET MEASUREMENT

The modulation error rate (MER), the bit error rate (BER) and the carrier frequency offset can be measured to rate the digital reception quality.

To call up DVB-C/DVB-T/H measurement:

In CABLE digital or Terrestrial digital reception mode press the button.

LC display for DVB-C signals:

MER modulation error rate: 28.5 dB

Modulation = 256 QAM

BER bit error rate: 1.7e-7

Standard = DVB-C

Carrier frequency offset: +0.10 MHz

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Kathrein MSK 125 manual Level Measurement of DVB-C/DVB-T/H Signals, DVB-C/DVB-T/H MER, BER and Offset Measurement