
7
Operation
Fiber interface: Connect the ber connector to V20 after
unscrewing the cap of V20.
USB interface: It is used for connecting to PC and other
corresponding instrument.
Rotary knob for adjusting focus: It is used for focusing to make
the image clear. In order to enable the fuction of V20, you just
need to connect the V20 with the ber connector to the
instrument or to the PC which is able to communicate with upper
computer. After making the image of the ber, it will become clear
by adjusting the rotary knob for focus, allowing you to analyze the
image.