Wavetek 3HRV Especificações descarregar pdf (Página 62)

4-39

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 refer-

ence level is at the top 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 Tilt display. The FCN + Scale key can also be

used to automatically set the reference level.

4.6 SCAN MODE

Use the Scan mode to get a good look at the whole spectrum of

absolute carrier levels. In this mode a bar graph showing all carrier

levels is displayed. A marker selects which carrier level is displayed

on the bottom of the screen.

Information displayed in the Scan mode is as follows:

• Channel number

• Channel label

• Video carrier frequency and level (numerical)

• Audio carrier frequency and level (numerical)

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 103 104

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Wavetek 3HRV Especificações Página 62