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Functional Description
112
4-Channel SPO Digital Oscilloscopes
Functional Description
VIII - UTILITY
(cont‟d)
«Keyboard
Test»
Select " Keyboard Test" to enter the key test interface. The rectangle shapes
represent the front panel keys and the circle shapes the knobs :
The 14 circles with an arrow on both sides represent the front panel knobs. For
each knob can be tested : the direction of rotation (clockwise or counterclockwise)
and the integrated switch.
Note :
● When the « Keyboard test » starts, the color of all buttons and knobs is grey on a
black background..
● As the test proceeds the buttons and knobs tested change from grey to blue.
● According to the displayed message “Press„ RUN/STOP‟ key three times to exit”,
press the
“RUN/STOP” button three times to exit the « Keyboard test ».
«LED Test»
Select the "LED Test" to enter the front panel LED test. The following message is
displayed: "Press 'SINGLE' key to continue, Press RUN/STOP key to exit". Press
repeatedly the "Single" button to test sequentially the button backlight LEDs. When
a button is lit, the corresponding rectangle is colored in blue.