Wavetek 3ST Spécifications télécharger pdf (Page 39)

4-15

Label

The label is provided to associate a channel's number with it's

programming. Using the alpha keys, label the channel with a desired

name (up to four characters). "Special" characters can be selected

using the up/down arrow keys. The label will appear to the left of the

channel number on most screens.

Sweep Channel

Y/N - Designates that the channel will be used for Sweep

measurements.

NOTE: Adding sweep points at increments other than 250 kHz will

slow the sweep speed by 15 msecs per non-250 kHz

increment.

Measurement Bandwidth Adjustments

To edit the bandwidth, cursor to the Measurement BW selection.

The bandwidth can be adjusted by using the UP and DOWN arrow

keys or by entering a value using the numeric keypad and then

pressing the ENTER key. The FCC specification for C/N measure-

ments is a bandwidth of 4.200 MHz. CATV organizations outside of

the United States may have different requirements.

Noise Offset Frequency Adjustments

The frequency at which the noise level is measured is the Carrier

frequency plus the noise offset. To adjust the noise offset, cursor to

the Noise Offset selection. The offset can be adjusted by using the

UP and DOWN arrow keys or by entering a value using the numeric

keypad and then pressing the ENTER key.

Tilt Channel

Y/N - Designates which channels are used for the Tilt mode. Up to

nine channels can be designated as Tilt channels.

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Wavetek 3ST Spécifications Page 39