3310F Series Operation Manual 67
4.6.2.4. Pressing the “LOAD “Key (9) LOAD button lit (Load on), Pressing the "LEVEL"
Key (12), LED Once will illuminate, Select is “LEVEL Hi”.
4.6.2.5. Pressing the "LEVEL" key (12), LED Once will off, Select is “LEVEL Lo”.
4-7 The connection of a multiple output power supply
The following is a rule for a multiple output power supply connects to the 3310F series
Electronic Loads.
Rule: The potential of positive input (Red binding post) must be higher than the potential of
negative input (Black binding post) of 3310F series Electronic load.
Here is an example of +5V, -5V, +12V and -12V four outputs power supply connected to a
3310F series electronic load
Fig 4-8 Connection between 3310F series plug-in load and multiple output power supply