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03-04/2015 —

TELE-audiovision International —




39. Measuring a DVB-T2 trans-

ponder that was generated at

the test center. We deliberately

wanted a less-than-perfect


40. All important information is

shown in a single screen in the

main measurement window.

41. While some meters are

capable of showing a cons-

tellation diagram for a shifted

256QM signal, the Spaun

Sparos 711 was the first meter

we had ever used that could

actually also present the video

content of that signal, thanks to

the high resolution with 1280 x

720 pixels.

42. In measurement mode the

meter presents all reception

parameters, which of course

can be edited. But you don’t

have to deal with those para-

meters at all if you use the

Auto Lock button. The Spaun

Sparos 711 will identify them in

a matter of seconds.

43. We significantly reduced

signal quality for this test,

and it shows in the constella-

tion diagram. Instead of small

clouds scattered over the

screen these have increased to

cover whole quadrants. Here,

too, the changing conditions

can be observed clearly thanks

to the high-resolution screen.

44. Yet, the low-threshold tuner

can lock the signal perfectly

and present flawless video.

Der Spaun Sparos 711 ist ein ideales Messgerät, um auch professionelle

Receiver, Modulatoren, Encoder oder Multiplexer zu prüfen. Der ASI-

Eingang gibt Aufschluss, ob diese Geräte einen korrekten Transport

Stream ausgeben.