Menu Reference

Front Panel Menu Reference "System/Inputs" Menu

ROM Checksum

Press this softkey to perform a ROM checksum verification test.

RAM

Press this softkey to verify the memory and the correct amount of RAM is present.

Battery

Press this softkey to verify that the firmware checksum is still resident in a battery-backed memory location.

Measure Assemblies

Press this softkey to run a self test on the measurement assemblies. Refer to “Measurement Assemblies”, on page 2-54 for further information.

Calibrator

Press this softkey to make internal voltage measurements on the 50 MHz reference oscillator.

Keyboard

Press this softkey to verify that the keys are functioning correctly. Once you enter this test you are prompted to press all the keys and verify the correct descriptions are displayed on the screen.

Display

Press this softkey to access a menu of various front panel display patterns.

Display Assy

Press this softkey to make internal measurements on the display.

Display RAM

Press this softkey to perform a display RAM read/write test.

Bitmap Displays

Press this softkey to display test patterns. Instructions appear on the screen detailing the use of More to cycle through the various bitmaps and Prev to end the displays.

Display

Press this softkey to access a menu which allows you to set the defaults for contrast and brightness.

HP EPM-442A User’s Guide

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