HP E3633A - Chapter 3 Front-Panel Operation Disabling the Output Using an External Relay; Knob Locking

Chapter 3 Front-Panel Operation
Disabling the Output Using an External Relay
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Disabling the Output Using an External Relay
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Note TTL output of pin 1 or pin 9 of the RS-232 connector is available only after installing
two jumpers inside the power supply. See the Service Guide for more information.
Note Do not use the RS-232 interface if you have configured the power supply to output
relay control signals. Internal components on the RS-232 circuitry may be damaged.
Knob Locking
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