10. Switch on the LED current by depress the button “Current ON/OFF” (12). The

green LED indicator “Work” (11) will be turned on. In the event that the red LED

indicator “Break” (5) go on working that will be mean the failure of LED current

(That is the LED is damaged).

real current of the LED will be correspond to the requisite value of it.

а

b

c

Fig.11. a – the LED current is off, b – the Led current is on,

с – the LED current is on, but the LED circuit is broken .

11. Please, ascertain that the running LED current complies with the LED

specification.