Agilent Technologies E4419B User Manual page 166

3 Menu Reference
144
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.
Fan
■
Press this softkey to run a test on the internal cooling fan.
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
various bitmaps and
Serial Interface
■
Press this softkey to access a menu which gives you a selection of
serial interface tests to perform.
UART Config
◆
Press this softkey to initiate a test which writes to the scratch
register and reads back. The test also sets the baud rate, word
length, stop bits and parity; then reads back from the UART to
check that the settings are correct.
Local Loop Back
◆
Press this softkey to initiate a UART local loop back diagnostic
with the transmitter (Tx) internally connected to the receiver
(Rx).
to cycle through the
to end the displays.
E4419B Power Meter User's Guide