ITech IT7622 User Manual page 30

ООО "Техэнком" Контрольно-измерительные приборы и оборудование
2.7.3 System Self-Test
During self-test of the power supply, if EEPROM has error, the "Error" indicator
on the status bar lights up.
The self-test function of the AC Power Supply can be enabled to check the Lcd
Test, Key Test, Dsp Test and BackRam Test. Specific steps are as follows:
Press [Shift]+[Setup] (Menu) to enter.
1.
2. Press [Next] in this interface, and the system menu is scrolling.
3. Select [Device Self-Test] in this interface, and the system enters the self-test
interface.
4. Press [Enter], the system starts self-test. If 'LCD Checking Finsh' displays
on the screen, LCD has passed self-test.
5. Press key Up/Down to select Key Test. Press [Enter]. Operate according
to tips on the screen. Press [Esc]. If 'Key Checking Finsh' displays on the
screen, Key has passed self-test.
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