PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
12
 
9. 
* 
When the power supply is set to operation mode, 
the symbol of “*” will be lighted up.   
z  When the Output is on, the symbol of “*” 
li
hts up to indicate the power suppl
 is in 
the operation mode, when the meter 
displa
s the measurement value, the 
symbol of “*” becomes blinking. 
10. CC 
The CC light is on to indicate the instrument is 
in the CC mode. 
11. CV 
The CV light is on to indicate the instrument is 
in the CV mode. 
12. 
 
The light of “
” is on to indicate the 
uzzer is 
on. 
13. Lock 
The Lock light is on to indicate the 
anel control 
knobs is locked up. 
 
PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
13
 
 
 
Figure 4-1 Front Panel