Technical data

2 Operation and Features
Calibration
60 E364xA User’s and Service Guide
You will see the above message if the security code is
correct, and the CAL MODE message is displayed. To exit
the calibration mode, turn the power off and on.
Notice that if you enter the wrong secure code, INVALID is
displayed and the code entering mode is displayed for you
to enter the correct code.
Remote interface operation
To unsecure the power supply, send the above command
with the same code used to secure. For example,
CAL:SEC:STAT OFF, 003640 (E3640A model)
To secure against calibration
You can secure the power supply against calibration either
from the front panel or over the remote interface. The power
supply is secured when shipped from the factory.
Read the security code rules at “Calibration security” on
page 58 before attempting to secure the power supply.
Front panel operation
1 Select the calibration mode.
UNSECURED
If the power supply is unsecured, the above message is
displayed as you turn on the power supply by holding
down the
(Calibrate) key. Hold down the key until
you hear a long beep and the CAL MODE message is
displayed.
2 Enter the security code.
000000
Enter the desired security code using the control knob
and resolution selection keys.
CAL:SEC:STAT {OFF|ON},<code> Secure or unsecure
the power supply.
Calibrate
View
Power
Calibrate
View
Secure
Config
I/O