User`s guide
Table Of Contents
- Agilent U8030A Series Triple Output DC Power Supply
- Table of Contents
- List of Figures
- List of Tables
- Introduction
- Operation and Features
- Constant Voltage Operation
- Constant Current Operation
- 5 V Operation
- Track Mode Operation
- Output On/Off Operation
- Memory Operations
- Memory Output Operations
- Programming the Overvoltage Protection
- Programming the Overcurrent Protection
- Keylock Operation
- System-Related Operations
- Extending the Voltage and Current Range
- Characteristics and Specifications
2 Operation and Features
Keylock Operation
58 U8030A Series User’s Guide
Keylock Operation
This operation provides a locking function for the knob and
all the buttons on the front panel of the power supply,
which allows you to secure your desired settings.
The keylock is disabled by default upon power- up.
1 Enable the keylock.
• Press the [Lock/Unlock] button.
• The LOCK annunciator turns on.
• When the keylock function is enabled, the knob and all
the buttons are disabled except the [Lock/Unlock]
button.
2 Disable the keylock.
• Press and hold the [Lock/Unlock] button for more than
one second.
• While the [Lock/Unlock] button is being held down, the
display will show HOLd until the keylock is disabled.
• After the keylock is disabled, the LOCK annunciator
turns off.