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11-8
IM 760301-01E
• Testing the Keys and the Keyboard
• Testing the Keys
5. Press the
Test Exec
soft key.
6. Press a
key
on the front panel. The test for the pressed key is executed.
7. Press the or
cursor key
. The indicator lights one by one each time an
arrow key is pressed.
8. Press
ESC
twice to exit from the key test.
• Testing the Keyboard
9. Press the
Soft Key
soft key. A keyboard appears.
10. Operate the
keyboard
. Check that the characters entered on the keyboard are
correctly displayed in the entry box of the keyboard.
For keyboard operations, see section 3.14, “Entering Values and Strings.”
Explanation
• Memory Test
Tests whether the internal ROM and RAM are operating correctly. If “Pass” is
displayed, it is operating correctly. If “Failed” is displayed, contact your nearest
YOKOGAWA dealer.
• System: Tests the RAM in the CPU.
• ACQ RAM: Tests the RAM that stores the waveform sampling data (acquisition
data).
• Testing the Keys and Keyboard
• Tests whether the front panel keys are operating properly. If the name of the key
being pressed appears on the screen, it is operating correctly.
• If the indicator turns ON/OFF when the or cursor is pressed, the keys are
operating correctly.
• To exit from the key test, press ESC twice.
• If the display is not correct, contact your nearest YOKOGAWA dealer.
11.3 Self-Test