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HP4402.book : chapter3.fm 30 Fri Feb 12 15:32:45 1999
Menu Reference
Front Panel Menu Reference "System/Inputs" Menu
3-30 HP E4419B User’s Guide
◆
Press this softkey to access a menu which allows you to
select individual self tests to be run.
❖
Press this softkey to perform a ROM checksum verification
test, verify the memory and that the correct amount of
RAM is present.
❖
Press this softkey to verify that the firmware checksum is
still resident in a battery-backed memory location.
❖
Press this softkey to run a self test on the measurement
assemblies. Refer to “Measurement Assemblies”, on
page 2-77 for further information.
❖
Press this softkey to make internal voltage measurements
on the 50 MHz reference oscillator.
❖
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.
❖
Press this softkey to run a test on the internal cooling fan.
❖
Press this softkey to access a menu of various front panel
display patterns.
❏
Press this softkey to make internal measurements on the
display.
❏
Press this softkey to perform a display RAM read/write
test.
❏
Press this softkey to display test patterns. Instructions
appear on the screen detailing the use of to cycle
through the various bitmaps and to end the
displays.
Individual
Memory
Lithium Battery
Measure Assemblies
Calibrator
Keyboard
Fan
Display
Display Assy
Display RAM
Bitmap Displays
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