Quick Start 
  Copyright ©ITECH Electronic Co., Ltd.  8 
2.3 Key Introduction 
 
Key description, see the table below: 
  (Shift) 
Compound key, co-work with OVP, Menu, Save, DVM, 
Trigger, Lock 
  (Local) 
Local switch key, switch from remote mode to local 
operation mode. 
(Power) 
Power on key 
/OVP 
Voltage set key, set the output voltage/over voltage 
protection point for the power supply. 
/Menu 
Current set key, set the output current/menu function key, 
to set the relevant Parameters for the power supply. 
/Save 
Callback key to call up a set value of system parameters 
already stored / storage key, to save system parameter 
/DVM 
Meter key, to switch from value set panel and the actual 
output value display / voltage meter function keys, to 
switch to the measure state of the voltage meter. 
/Trigger 
Enter key, to confirm the number entered and operation / 
trigger button, which is used to trigger the List test. 
/Lock 
Output on (off) keys, control power output state / keypad 
lock function keys, used to lock the panel buttons. 
 
Left and right movement keys, used to set the value, to 
adjust the cursor to the specified location. 
 
Up and down keys, used to select a item in the menu or 
increase (decrease) the    output voltage or current 
 
Cancel /return keys. 
 
2.4 VFD Description