Tektronix 77807-1, User Manual

Page: 43 / 132

Reference
3–4
DS1000 Series User Manual
The television demodulator contains a wide variety of frequency
tables that list the channel assignments used in many countries.
The channel assignments cover the standard television frequency
spectrum.
You can select a frequency table using the FT item. Only one
frequency table can be active for an individual program, but
different programs can use different frequency tables. Appendix D
includes a complete list of the frequency tables.
2. Channel.
Use the channel item (CH) to select a channel from the chosen
frequency table. The channel frequency appears in brackets after
the channel number. This channel selection and the following
frequency selection interact. Changing either one will change the
other.
3. Frequencies.
If the required frequency is not contained in any frequency table,
you can manually set the frequency using the frequency item (Fv).
The frequency range is 45.25 MHz to 860.25 MHz in 0.25 MHz
steps.
If the selected frequency corresponds to a standard channel, then
that channel number appears in parentheses. Otherwise, asterisks
appear in place of the channel number. This frequency selection
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