PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
8 
4. PANEL INTRODUCTION 
4-1. Front Panel   
1. Power Switch 
Connect the AC power, then press ON/OFF 
power switch. 
2. Display 
Indicate the setting of voltage/current value, 
output voltage/current value and the status of 
setting and output. 
+Output Terminal  Positive output terminal. 
3. 
S+ Output Terminal Positive sampling terminal. 
-Output Terminal  Negative output terminal. 
4. 
S- Output Terminal Negative sampling terminal. 
5. 
GND Terminal  Connect the ground terminal to chassis. 
6. 
Rotary Encoder  Wheel knob. 
7. 
< >  Cursor (for value input). 
8. 
LOCK 
A software to lock up panel setting (keep 
pressing for a few second). 
9. 
V SET  Output voltage setting. 
10. 
I SET  Output current setting.   
11. 
OVP SET 
Over Voltage protection value setting. 
(Level, ON/OFF, Clear) 
12. 
OCP SET 
Over Current Protection value setting.   
(Level, ON/OFF, Clear, DELAY) 
13. 
20V, 10A/8V,20A 
Select output voltage /current range (The 
secondary function key). 
RECALL ⇧  Recall last group of data setting. 
Warning. When query the memory setting data, in 
order to avoid 
personal injury and damaging the 
machine, it is suggested to disconnect the output.
 
14. 
RECALL
 ⇩  Recall next group of data setting. 
PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
9
15. 
DELAY 
Set the voltage and current output time in the 
automatic operation mode. 
16. 
AUTO RANGE 
(AUTO INFO) 
Proceed setting step by step. During setting 
proceeding, press this key can display the 
memory address of the setting and its residual 
time and period (The secondary function key).   
17. 
AUTO  Turn ON/OFF the auto operation. 
18. 
RECALL 
Recall one of the memory datas (The secondary 
function key). 
When query the memory setting data, in 
order to avoid 
personal injury and damaging 
the machine, it is suggested to disconnect the 
output.
 
19. 
STORE 
Store the data to one of the memory groups 
(The secondary function key). 
20. 
SHIFT  Select the secondary function key. 
21. 
“0”, “1”… “9”, “.”  The key for number input. 
22. 
ENTER  The key for Input confirmation. 
23. 
LOCAL 
Clear the remote control mode by using the 
panel control setting instead. 
24. 
GPIB/RS-232 
Select GPIB or RS-232 by pressing [SHIFT] 
[GPIB/RS-232]. 
V STEP 
Voltage Step setting (The secondary function 
key). 
25. 
I STEP 
Current Step setting (The secondary function 
key). 
I△ 
Under the status of [SHIFT], press I△  to 
ascend one step of output current value. 
I▽ 
Under the status of [SHIFT], press I▽  to 
descend one step of output current value. 
V△ 
Under the status of [SHIFT], press V△ to 
ascend one step of output voltage value. 
26. 
V▽ 
Under the status of [SHIFT], press V▽ to 
descend one step of output voltage value.