Getting Started

The Display Layout

5.This field displays the units of measurement, either dBm, dB, Watts or %.

6.This window is configured to show an analog meter which displays the measurement result and the meter scaling.

7.This field displays the number of pages in the current softkey menu. For example, “1 of 2” indicates that there are two pages of

softkeys and you are on the first page. Pressing More moves you to page “2 of 2”.

8.Any softkeys available are displayed in these four fields.

9.This field displays the title of the menu. For example, when the power meter is initially switched on the “Contrast” menu is

displayed, and, if you press ZeroZero/Cal” is displayed.

Cal

10.This field indicates if the measurement result is outwith the upper or lower limits set. If the measurement is within the limits this field is empty. If the measurement result is less than the minimum limit set, “Undr Lmt” is displayed. If the measurement result is more than the maximum limit set, “Over Lmt” is displayed. Refer to “Setting Measurement Limits”, on page 2-32 for further information.

11.This field displays “Rel” if relative mode is on. Refer to “Making Relative Measurements”, on page 2-24 for further information.

12.This field displays “Ofs” if an offset is set. Refer to “Setting Offsets”, on page 2-26 for further information.

13.This field displays “Rng Hld” if a range is selected. Refer to “Setting the Range”, on page 2-41 for further information.

14.This field displays “Dty Cyc” if a duty cycle is set. This allows you to measure the power of a pulsed signal. Refer to “Measuring Pulsed Signals”, on page 2-30 for further information.

15.This field displays the currently selected frequency or calibration factor.

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HP EPM-442A User’s Guide