Wavetek 147 Spécifications télécharger pdf (Page 100)

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101

Field Sweeping with the SDA-5000: Considerations for Sweep in the Field

1. The vertical light bar just above REF at the top of the graph blinks on

and off with each trace refresh.

2. The ref level in dB appears in the left top of the graph.

3. The scale in dB/div appears next to the ref level in the middle top of

the graph.

4. The upper right corner identifies the kind of sweep: FWD or REV;

STEALTH, SDA STEALTH, or SWEEPLESS.

5. Horizontal markers enclose the min/max vertical deflection of the

sweep trace. You can choose to display them from the SWEEP menu

(see “Sweep Menu Options” on page 67).

6. You can move the vertical markers with the arrows along both sides,

or you can activate the marker and type in the frequency, then press

Enter.

7. The title of the current sweep reference is at the lower right corner. If

there is no current reference, this entry reads None.

8-9. The numbers at the A and B lines are the frequency positions of the

two vertical markers, followed by their relative levels in dB and the

difference between those levels.

Soft Key Icons:

10. Calls up the LEVEL submenu

11. Calls up the FREQ submenu

12. Calls up the LIMIT submenu

13. Calls up the TILT submenu

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Wavetek 147 Spécifications Page 100

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