Kathrein MSK 25 - Manual (Page 40)

TV measurement
40
DVB-C/DVB-T (option), MER, BER and Offset Measurement
The modulation error rate (MER), the bit error rate (BER) and the carrier
offset can be measured to evaluate the quality of the digital reception.
Chapter ‚standard change-over‘ describes how to select either TV
analogue, DVB-C or optionally DVB-T.
Calling up DVB-C/DVB-T (option) measurement:
Press [2ndF] [DVB]
LC display:
• Modulation error rate (MER): 30.5 dB
• Bit error rate (BER): 2.0e-8
• Carrier offset: 0.00 MHz
In case there are no bit errors identified due to a strong DVB signal
BER=0.0e+0 is indicated.
MPEG Picture Representation (option) in DVB-C or DVB-T (option)
After selecting DVB measurement by pressing [2ndF] [DVB], the list of
programmes received via digital transport data stream is displayed on the
TFT screen.
Press [+] bzw. [-] to select the desired programme and confirm your entry
by pressing [Enter].
In case of an FTA programme, picture and sound of the desired
programme are decoded and represented or reproduced respectively via
the loudspeaker which is built in.
Select another programme of the list by pressing [Enter] once more.
Press [2ndF] to exit digital reception.
Note
For measuremts exceeding 100 dBµV please use the enclosed
attenuation plug, as otherwise no video representation and no MER and
BER measurements are possible.
(Find indications on the frequency response of the enclosed attenuation
plug on the last page)
MER:30.5dB MHz
BER:2.0e-8 0.00
☞