Testing The Signal To Noise Ratio - Triax CCS 1000 S Assembly Instructions Manual

Testing the signal to noise ratio

In this menu you can estimate the quality of the input signal.
Bx 4A
12.0 dB
1
Current signal to noise ratio
2
This value shows the difference between the quality
of the input signal and the threshold of the tuner at
this type of modulation.
At a value lower than "5" picture dropouts can occur.
3
If "OK" is shown, the signal to noise ratio is ok.
If a value < 5 is shown under
from "OK" to "??". In this case test the input signal.
—> In addition to the indicator in the display, there is a
status LED which indicates the quality of the received
transport stream (level and C/N).
—> If the LED lights yellow the SAT IF input level and the
signal to noise ratio must be tested.
Status LED
"Tuner A"
Status LED
"Tuner B"
• Press the
- 22 - - 22 -
C/N
(+ 9.6) OK
2
LED indicator
Green Signal quality is good
Signal quality is insufficient
Yellow
Red
button to return to the main menu.
the display changes
Indication
No signal