Bio-Rad PowerPac™ HV High-Voltage Power Supply - Manual (Page 18)

Section 4
Operation
The PowerPac HV has four operation modes:
1. Manual: Single-step run, not stored in memory. (see Section 4.1)
2. Basic Methods: Nine (9) methods with up to nine steps can be stored. (see Section 4.2)
3. IEF Methods: Nine (9) methods with up to nine (9) steps can be stored. This mode
allows direct programming for high-voltage, low-current applications; also allows voltage
ramping and run delay. (see Section 4.3)
4. Temperature: Incorporates temperature sensing as a limiting parameter and adjusts
power output in order to control temperature in the electrophoresis cell. (see Section 4.4)
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PowerPac HV – Instruction Manual