User Manual
Quick Start
Set the line voltage selector on the back panel to your local line voltage (110 VAC
or 220 VAC). Change the fuse to the correct fuse according to the table under
“Initial Check” section. Confirm that both changes are correct BEFORE
connecting the power cord to the DC load and a wall power socket.
Turn on the power to the DC load by flipping the power switch to “I” position.
Set value
Press the key to turn on the
CC LED. The load is now in CC mode.
Set the current value by pressing the
f or keys to select the digit
to adjust, then turn the knob to change
its value. After setting the current value,
press the key to turn the load on.
Constant Current Mode
AA
BB
Mode
D
Mode
D
On/OffOn/Off
Press the key to turn on the CV
LED. The load is now in CV mode. Set
the voltage value by pressing the
or keys to select the digit to adjust,
then turn the knob to change its value.
After setting the voltage value, press the
key to turn the load on.
Constant Voltage Mode
AA
BB
Mode
D
Mode
D
On/OffOn/Off
Press the key to turn on the CR
LED. The load is now in CR mode. Set
the resistance value by pressing the
or keys to select the digit to adjust,
then turn the knob. After setting the
voltage value, press the key to turn
the load on.
Constant Resistance Mode
BB
AA
Mode
D
Mode
D
On/OffOn/Off
Set value
Indicates which digit to adjust
Recall CC
Short CV
OFF
Shift
30A
CR
A
B
C
D
Set
V
W
A
150W DC Electronic Load
8540
Indicates which digit to adjust
Recall CC
Short CV
OFF
Shift
30A
CR
A
B
C
D
Set
V
W
A
150W DC Electronic Load
8540
Recall
CC
Short CV
OFF
Shift
30A
CR
A
B
C
D
Set
V
W
A
150W DC Electronic Load
8540










