TB 9-6130-285-24
Model E3633A Calibration
a. Equipment Setup
(1) Turn on the front panel calibration mode.
(a) 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.
(b) If the power supply is secured, the above message will be displayed on the front
panel for approximately 1 second. The CAL MODE message is then displayed on the
front panel.
(2) Move to the security code by pressing the Secure key.
(3) Enter the security code using the control knob and resolution selection keys.
(a) The security code is set to HP003633 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.
(b) To enter the security code from the front panel, enter only the last six digits. To
enter the security code from the remote interface, enter up to 12 characters.
(c) Use the resolution selection keys to move left or right between digits. Use the control
knob to change the digits. Notice that the security code may be different if the
security code has been changed from the default setting.
(4) Unsecure the power supply.
(a) The power supply is unsecured when the key is pressed.
(b) The above message is displayed on the front panel for 1 second. The CAL MODE
message is displayed on the front panel after above message.
(5) Turn off the calibration mode when finished with calibration.
(a) Turn off the power supply to exit the calibration mode.
(b) To re-secure the power supply (following calibration), perform this procedure again.
(c) To calibrate the output voltages and currents of the power supply from the front
panel, proceed to step b.
(6) Secure the power supply when procedure completed.
b. Front Panel Voltage and OVP Calibration
(1) Unsecure the power supply according to step a (4) above.
(2) Disconnect all loads from the power supply and connect a multimeter across output
terminals.
(3) Turn on the calibration mode.
A-8
