B&K Precision 1693-1694 - Manual - Manual (Page 16)

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Figure 6 - Connector Ring
Then, you can choose either method A or B below to use the analog remote control
feature.
Method A: Using an External Variable DC Voltage Source
A variable external voltage source of 0 to 5 V is fed into the analog remote control
terminal to adjust the output voltage level of both Main and Auxiliary outputs.
WARNING: Do not input higher than 5 V, otherwise the overvoltage protection
(OVP) will be triggered.
1. Make sure the load is disconnected and the power supply is OFF.
2. Only use wires from pins 2 and 3. Connect pin 2 to positive polarity of the
external voltage source and pin 3 to negative polarity of the external voltage
source.
3. Turn the remote control ON/OFF switch to ON position.
4. Switch on the power supply.
5. Vary the external input voltage from 0 to 5 V to check and verify the full
output voltage range of the power supply.
6. Switch off the power supply.