Wavetek 3ST Spezifikationen PDF herunterladen (Seite 51)

4-27

• Audio carrier frequency and level (numerical)

• Histogram graph of carrier levels

• Delta between audio and video levels

• Selected channel plan

• Test point compensation (appears only if a nonzero value

is programmed during setup)

• Limits annunciators

When the SCAN key is pressed a graph showing all carrier levels is

displayed. Use the RIGHT and LEFT arrow keys to position the

marker to the desired channel. The channel numbers can also be

entered directly using the numeric entry keys.

The UP and DOWN arrow keys can be used to adjust the reference

level of the graph.

Level Adjustments

Press the LVL soft key to edit the scale and reference level of the

Scan display. To adjust the Scale, use the UP and DOWN arrow keys

to select a scale that will provide the best viewing of the carrier

levels. To adjust the Ref Level, press the Ref Level soft key. Now

the Ref Level can be changed by using the UP and DOWN arrow

keys or by entering a numeric value followed by the ENTER key.

The reference level is the top line of the graph.

NOTE: The reference value is limited by unit and the scale setting.

Pressing the Auto Scale soft key will automatically set the reference

level for an optimum Scan display. The FCN + Scale key can also be

used to automatically set the reference level.

Frequency Adjustments

Press the FRQ soft key to edit frequency range parameters of the

Scan display. Use the UP and DOWN arrow keys or the numeric

entry keypad to set the start frequency. Press the Stop soft key to

adjust the stop frequency. The Full Span soft key can be used to set

the start and stop frequency to the full range of the unit.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 101 102

Keine Kommentare

Wavetek 3ST Spezifikationen Seite 51