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DC Power Supply
Custom Program
28
Custom Program
The Power Supply’s custom program is a stored list of up to 99 voltage points.
The Power Supply comes pre-loaded with a positive off-set sine wave program. If you
change or erase this program, your changes will be remembered even if you turn the
Power Supply off. To restore the default sine-wave program: turn off the unit, press
and hold
both
buttons while turning on the power switch, continue to hold both but-
tons until the display shows
LLLL
to indicate that the program has been
L
oaded into
memory.
Enter or Edit Custom Program
To enter or edit the custom program, turn the Function knob to PROGRAM. The dis-
play shows the number of stored points (for example
P 51
if there are 51 stored
points) and none of the LEDs are lit. This is Program Home mode.
When the Function knob is in the PROGRAM position, you can always press and hold
(STOP) to return to Program Home mode.
From Program Home mode you can do three things: erase the program, append the
program, or edit the program.
Erase
To erase the entire program, press
and hold
and
until the display shows
EEEE
. Release the buttons. The Power Supply returns to Program Home mode, with
the display showing
P 0
to indicate that zero points are stored. Follow the Append
instructions below to enter a new program.
Append
Use Program Append mode to add points to the end of the existing program, or start a
new program if zero points are stored.
1.
From Program Home mode, press
(START) to enter Program Append mode.
The display briefly shows index number of the point that you are about to store,
then the display and Voltage LED start flickering.
At any time in Program Append mode you can press
(DISPLAY) to briefly display the index
number of the point that you are about to store.
2.
Turn the COARSE and FINE knobs to adjust the displayed voltage to the desired
value. Press
(START) to store the point. The display then briefly shows the
index number of the next point before showing the voltage setting of the next
(yet-to-be-stored) point. Turn the COARSE and FINE knobs to set the voltage for
this point and press
(START) to store it. Repeat this step until you have stored
the entire program.
3.
Press
and hold
(STOP) to return to Program Home mode. The display shows
the new number of stored points.
Program Home mode:
•
Function knob in
PROGRAM position
•
All LEDs off
Erase stored program
Program Append mode:
•
Function knob in
PROGRAM position
•
Voltage LED flickering
Содержание PI-9877
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