- 23 -
PHDQ 8008 TSR
i
nPut
frequenCy
If three dots "
…
" appear in the second line of the display, the cassette is in
the "
station search
" mode. Please wait until the process has finished.
Bx 4A
11835 -0.6
FREQ
CN 15
Bx 4A
15.0 dB
C/N
(+ 11.0) OK
Once the RF receiver has synchronised to the input signal, any offset to the
target frequency is displayed in MHz, e.g. "
– 0.6
".
If a question mark "
?
" appears in the second line of the display, there is no
input signal present. Check the configuration of the antenna system and head-
end station as well as the preceding settings of the cassette.
Bx 4A
11835 -1.6
FREQ
CN 15
• Use
to position the cursor under the digits of the frequency display
to be set.
• Press
to set the input frequency.
• Set the frequency offset shown in the display (e.g. "
– 1.6
") to less than
1 MHz by varying the input frequency using the
buttons.
• Press the
button.
—> The "Signal to noise ratio" – "
C/N
" menu is activated.
s
ignal
to
noise
r atio
In this menu you can estimate the quality of the input signal.
Bx 4A
12.0 dB
C/N
(+ 9.6) OK
1
2 3
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.
