User manual
51 
2.  T
rise
 is the rising edge time for an output voltage transition. Use the numeric keypad or 
the current adjust knob and enter 5.000 s (5 seconds). 
3.  Press  and T
fall
 will be displayed.  T
fall
 is the falling edge time for an output voltage 
transition.  
4.  Use the numeric keypad or the current adjust knob and enter 10.000 s (10 seconds). 
5.  Press   and the power supply will return to the normal display. 
6.  Now, set voltage to 5 V using the numeric keypad or the voltage adjust knob. Then, turn 
ON the output by pressing  . 
7.  At this point, the output voltage should be 5V. Push the   button until it is lit up, 
thus showing the measured voltage and current display. 
8.  Now, set voltage to 10 V using the numeric keypad, then press  . Observe that 
the supply will slowly ramp its voltage output to 10 V over a span of 5 seconds. 
9.  When the supply has reached 10 V, use the numeric keypad and enter 1 V. Press 
 and observe the output voltage slowly ramping down to 1 V over a span of 10 
seconds. 
3.7  Key Lock 
The front panel keys can be locked to prevent unwanted changes to output settings and power 
supply configurations. Follow the steps below to enable/disable key lock. 
1.  Press   and . A * indicator will light up on the display, indicating that the 
front panel keys are lock. At this point, all keys are disabled except for   and 
 (Lock function only). 
2.  To unlock the keys again, press   and  again. The * indicator will disappear 
and all keys will be enabled. 










