Hitachi Microscope & Magnifier S-4800 Manuale Utente
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3.3.4 Application of High Voltage
When the HV Display are is blinking with yellow and blue color, click the ON button on the control
panel at the left of the HV Display area. Accelerating voltage (Vacc) and extracting voltage (Vext)
are then applied with the emission current values indicated in the HV display area.
The gun airlock - valve is opened automatically.
When the HV Display are is blinking with yellow and blue color, click the ON button on the control
panel at the left of the HV Display area. Accelerating voltage (Vacc) and extracting voltage (Vext)
are then applied with the emission current values indicated in the HV display area.
The gun airlock - valve is opened automatically.
The ON button is changed to read SET when the high voltage is applied. You can set emission
current to a selected value in the Set Ie to box by clicking this button.
The OFF button shuts high voltage.