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User Manual 193
When the power-on and power-on function is turned on, the analyzer is powered on and can be
turned off.
Command format :SYSTem:POWer:OFF
Instructions Close the device
Example :SYSTem:POWer:OFF
Command format :SYSTem:POWer:OFF
Instructions Restart the device (some machines may not support restart and need to be
manually started after shutdown)
Example :SYSTem:RESTart
7.7 Self Test
7.7.1 Screen Test
Test whether the screen has any pixel defects by displaying five colors: White, Red, Green, Blue
and Black. Press ‘Preset’ key to switch the screen color and press ‘ ← ’ key to exit the test.
7.7.2 Keyboard Test
Enter the keyboard test interface. Press the function keys at the front panel one-by-one and
observe whether the corresponding key is checked. If not, an error may have occurred in that key.
To exit the test, press ‘ ← ’ four times.
7.7.3 LCD Test
If the keys at the front panel are transparent, when the key is pressed, the corresponding backlight
will turn on when testing it.
7.7.4 Touch Test
Test whether the touch screen has any defects by touching the test button at specific spots on
screen.