Function and Features 
  Copyright © Itech Electronics Co., Ltd.  18 
Chapter3 Function and Features 
This chapter introduce the basic operations of IT7300  series AC 
sourece.including the following subdivisions: 
  Local/remote mode   
  Voltage setup 
  Frequency setup 
  Phase angle setup 
  Output on/off operation 
  Switch the VFD display items 
  Save/recall operation 
  Trigger operation 
  Menu operation 
  Switch output voltage range 
  Key lock function 
  BNC terminals function 
  3-phase AC power supply function 
3.1 Switching of local/remote operation modes 
Press the local button  to change the AC source from remote to local 
operation.After you power on the AC source, it defaults in local mode, all 
buttons are enabled. While in remote mode, most buttons are disabled except 
Shift and Local keys.In addition, the mode modificaton will not effect the output 
parameters. 
3.2 Voltage Setup 
You can set voltage within the range of rated voltage value. When you press 
  button, the button will be lit. This indicates that you can set voltage. 
There are three ways to set output voltage through front panel. 
  The first way: press , adjust cursor location through  button, 
pressing    and will enable you to adjust the setting voltage value. 
  The second way: press , adjust cursor location through 
button, adjust rotary knob    to change the setting 
voltage value. 
  The third way: press   button and numeric key(   to  ) to 
set voltage value. 
3.3 Frequency Setup 
You can set frequency within the range 45Hz to 500Hz. When you press
, the button will be lit. This indicates that you can set frequency.There 
are three ways to set frequency through front panel.