BK Precision 1687B - Using 5 kΩ Variable Resistors for Control

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5. Switch on the power supply.
6. Check the output voltage range of the power supply by varying the external
voltage source for voltage adjustment from 0 to 5 V.
7. Short circuit the main output with an 8AWG gauge wire and check the
display for CC setting by varying the external voltage source for current
adjustment from 0 to 5 V.
8. Switch off the power supply.
5.1.2 Using Two 5 kΩ Variable Resistors
1. Make sure the load is disconnected and the power supply is OFF.
2. Prepare two 5 kΩ variable resistors and connect wires from pins 1, 2, 3, and
4 as shown in
Figure 7.
Figure 6 - Variable 5 kΩ Resistors Setup