57
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.
3.8
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.