Bio-Rad PowerPac™ Basic Power Supply - Manual (Page 9)

Section 2
Control Features
Fig. 3. Front Panel.
Key Description
Constant Parameter Key:
•
Selects either constant voltage or current.
• The LED indicates the selected parameter. During a run, maximum
power is indicated when both LED’s are lit.
Display Mode Key:
•
Selects the parameter to be displayed (volts, milliamperes or minutes).
The LED displays the value of the indicated parameter.
Scroll Keys:
•
Changes the value of the selected parameter. If the Scroll Key is
pressed constantly for more than 5 units in either direction, +/-, the
values will increase/decrease in increments of 10 to reach the desired
value faster.
Run & Pause Key:
•
Starts and pauses a run. Pausing allows editing of the constant
parameter and the parameter values.
• Corresponding LED indicates the status of the power supply.
Stop key:
•
Stops run. Constant parameter and limit parameter values are
preserved. Timer is reset to zero.
SCROLL KEYS
3 DIGIT LED
CONSTANT
PARAMETER KEY
DISPLAY MODE KEY
STOP KEY
RUN AND PAUSE KEY
3