Chapter 3 Calibration Procedures
Calibration Security Code
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To Unsecure the Power Supply for Calibration
The power supply can use a calibration security code to prevent unauthorized
or accidental calibration. This procedure shows you how to unsecure the
power supply for calibration from the front panel.
1Turn on the front-panel calibration mode.
Turn on the calibration mode by pressing the "Calibrate" key while
simultaneously turning on the power supply then continue to hold the
"Calibrate" key for about 5 seconds until a beep is heard.
If the power supply is s ecured, y ou will se e the abov e message from the fr ont
panel for approximately one second. The "CAL MODE'' message is then
displayed on the front panel.
2Move to the security code by pressing the "Secure" key.
3Enter the security code using the knob and resolution selection keys.
The security code is set to "HP003631" when the power supply is shipped from
the factory. The security code is stored in non-volatile memory and does not
change when the power has been off or after a remote interface reset.
To enter the security code from the front panel, enter only the last six digits.
To enter the security code from the remote interface, you may enter up to 12
characters.
Use the r esolu tion se lecti on keys to mov e left o r righ t betwe en dig its. Us e the
knob to change the digits. Notice that the security code may be different if the
security code has been changed from the default setting.
secured000000 code003631 code
Calibrate
Power
Secure