Producing A Qam Signal For Testing - Triax CCS 483 Assembly Instruction Manual

• Measure the output level of the channel strip using the con-
nected antenna test receiver and note the measured value.
– Setting the second channel strip compare the meas-
ured value with the noted value of the first channel
strip.
– If the measured value of the first channel strip is high-
er press the
this channel strip
– In the menu "OUTPUT:
higher output level of one channel strip to the lower
output level of the other channel strip incrementally
from "0" to "– 7" dB by pressing
• Press the
—> The menu "Producing a QAM signal for testing" –
"OUTPUT: RANDOM" is activated.

Producing a QAM signal for testing

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
—> The menu "Inverting the user signal –
OUTPUT: Spectrum" is activated.
- 19 - - 19 -
AUDIO button repeatedly to activate
(page 15).
LEVEL HF OUT:" adjust the
button.
Bx 1A OUTPUT:
kBd
RANDOM 6900
button.
.