Quick Start 
  Copyright ©  Itech Electronic Co., Ltd.  8 
below picture. 
 
 
Compound key, co-work with OVP、Menu、Save、Trigger、Lock、
and numeric key 4 and 7 to switch the dual-range   
Local switch key, switch from remote mode to local operation mode 
Voltage set key, set the output voltage/over voltage protection point 
for the power supply 
Current set key, set the output current/menu function key, to set the 
relevant Parameters for the power supply 
Callback  key  to  call  up  a  set  value  of  system  parameters  already 
stored / storage key, to save system parameter settings 
Meter key, to switch from value set panel and the actual output value 
display 
Enter  key,  to  confirm  the  number  entered  and  operation  /  trigger 
button, which is used to trigger the List test. 
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 an item in the menu or increase 
(decrease) the output voltage or current values 
Output on timer function is 
enabled