Wavetek 3HRV Especificações descarregar pdf (Página 76)

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Frequency Adjustments

The FRQ (frequency) soft key is used to set the start and stop

frequency (for the display only). A start and stop soft key is displayed

to select the parameter to be changed. The frequency is varied by

using the cursor keys or a specific value can be entered using the

numeric keys followed by the ENTER key.

A sub-function under the Frequency soft key is Marker Zoom. This

will change the start and stop frequency to coincide with the marker

value. The soft key will change to Undo to return to original start and

stop values. Press the FRQ soft key to return to main sweep display.

Level Adjustments

A LVL (level) soft key is used to adjust the vertical parameters of the

graph. These parameters include Ref Level and Scale. The reference

level is the midpoint level displayed on the graph. The Ref Level

can be adjusted using the cursor keys or by entering a numeric value

followed by the ENTER key.

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Wavetek 3HRV Especificações Página 76