- 17 -
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strip. Thus you can measure the absolute output level using
a analogue test receiver.
• Measure the output level of the channel strip using the con-
nected antenna test receiver.
•
By pressing the
AUDIO
button activate
the menu
“
OUTPUT: LEVEL HF OUT:
” and adjust the output level in-
crementally from “
0
” to “
–7
” dB by pressing
.
• Press the
button twice.
—> “
OUTPUT: RANDOM
” is shown in the display.
Producing a QAM signal for testing (only Bx…A)
The Cassette generates a QAM signal for testing, without
there having to be an input signal.
In the second menu line, the corresponding output symbol
rate e.g.
“6900 kBd
”
(=
6,900 kilosymbols per second) is shown.
• Press the
button.
—> The display shows the “
OUTPUT: Spectrum
” menu.
Inverting the user signal (only Bx…A)
For exceptions and “older” digital cable receivers, the spec-
tral position of the user signal can be inverted.
Bx 1A
RANDOM 6900
OUTPUT:
kBd
* )
Bx 1A
Spectrum
OUTPUT:
normal
normal / inverse
* )
