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HP4402.book : chapter1.fm 6 Wed Apr 23 15:29:05 1997
Getting Started
The Front Panel at a Glance
1-6 HP EPM-442A User’s Guide
9. POWER REF Output.
The power reference output is a 50 Ω type N connector. The output
signal of 1 mW at 50 MHz is used for calibrating the sensor and
meter combination. Power meters configured with option 003 have
the power reference on the rear panel.
10. Arrow hardkeys.
, , and hardkeys allow you to move the
position of the cursor, select fields for editing, and edit
alphanumeric characters. Refer to Chapter 3 for further
information.
11. Menu related hardkeys.
This hardkey allows you to move through all pages of a
menu. The bottom right of the power meter display indicates the
number of pages in the menu. For example, if “1 of 2” is
displayed, pressing moves you to “2 of 2”. Pressing
again moves you back to “1 of 2”.
This hardkey allows you to move back one level in the
softkey menu. Repeatedly pressing accesses a menu which
allows you to increase and decrease the display contrast.
12. Softkeys.
These four keys are used to make a selection from the menus.
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