Operation and Features 2
Calibration
E364xA User’s and Service Guide 63
Notice that if you enter the wrong security 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, ‘003646’ (E3646A 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.
Be sure to read the security code rules at “Calibration
security” on page 61 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.
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