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4.4.2.1 Channel plan editing
To view and edit a channel plan, select the required plan and press F1. You will see
the channel plan table. The screen view is represented in the Figure 4.4.2.
On the screen you will see the following data:
1 – table header line
2 – selected line
3 – command line with commands activated by F1, F2 and F3 functional keys
4 – scroll bar
The table represents a list of channels from the channel plan. The top line divides the
table into columns. The first column is the index of channel (from 1 to 112). The second
column is a channel number. The third column is the channel modulation type: A or D
(analog or digital). The fourth column is the channel name of up to 6 characters. The
bottom line shows the commands that can be activated by the functional keys. These
commands are as follows:
a) F1 key to view and edit the selected frequency point;
b) F3 key to delete the selected frequency point.
To edit a channel, select the required one by
framed, position 2). Then press the F1 key. The table of channel parameters will appear.
The screen view is represented in the Figure 4.4.3 (for analog channel) and in the Figure
4.4.4 (for digital channel).
Figure 4.4.3
There are two groups of parameters:
General parameters:
a) Channel – channel number;
b) Type – channel type: analog or digital;
c) Frequency – frequency of the video carrier for analog channel or central frequency
for digital channel;
d) SNR meas. - Activating of C/N measurement. You can turn off the C/N
measurement for a channel by setting "off" value.
Figure 4.4.2
and
keys (the selected line will be
Figure 4.4.4
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