20
3.4 Level adjustment
The plant has to be adjusted after
the channels were programmed.
Procedure while levelling out
the OKB 1000 plant:
1. Adjust attenuator (Figure 4/
pos. 9) for the total level (on the
basic unit) at middle position.
2. Adjusting the output levels of the
converted channels to level equality
with the „weakest“ channel by the help
of a spectrum analyser or SAT-meter
(Fuba DAM 307) (Figure 4/pos. 14).
3. Adjusting the output level to the desired
value by the total level controller on the
basic unit under consideration of the
specified maximum values. (Figure 4/
pos. 9). Using a filter i.e. OKF 1000 the
level need to be adjust to the level of
the filter by the output level controller.
3.5 Functions of the
program menu
3.5.1 Offset setting
Press the
OK
-Button. After release, the
Display shows
OFFS
. After confirmation
with the
OK
-Button, it is possible to set the
offset with the
+
and – buttons by ±5 MHz.
Confirm again with the OK-Button and your
settings are stored. All input frequencies
are now offset by the entered value
NOTE
With this setting possibility
temperature-related LNB-frequency
variations can be compensated.
1
2