Extech Instruments 382275 User Manual page 8

Method B : Using A 5Kohm Variable Resistor
1. Ensure that the load is disconnected and that the power supply is OFF.
2. Prepare a 5Kohm variable resistor and use the wires from Port 1, 2 and 4 as
shown below:
1
5KΩ
3. Switch the power supply ON.
4. Adjust the 5Kohm variable resistor from one end to other end to check and verify
the full output voltage range of the power supply.
5. Switch OFF the power supply.
Remote Control (Current)
1. Using the same connector plug referred to in
the voltage remote control section, remove
the black portion of the remote control
connector plug by removing the screw as
shown.
2. Solder 3 wires (22AWG) to PORT 1, 3 & 4 of
the black portion as shown:
3. Ensure that the load is disconnected and that the power supply is OFF.
4. Plug the remote connector into the remote control terminal of the power supply.
5. Secure the remote connector
connector ring.
2
4
plug to the terminal socket using the locking
8
1
1 7
2 8 6
3 5
4
382275/6 V1.0 08/09