Chapter 3 Front-Panel Operation
Calibration Overview
64
Calibration Count
You can determine the number of times that your power supply has been calibrated.
Your power supply was calibrated before it left the factory. When you receive your
power supply, read the count to determine its initial value.
The calibration count feature can be performed from the remote interface only.
• The calibration count is stored in non-volatile memory, and does not change when
power has been off or after a remote interface reset.
• The calibration count increments up to a maximum of 32,767 after which it wraps-
around to 0. Since the value increments by one for each calibration point, a
complete calibration will increase the value by 6 counts.
• Remote Interface Operation:
CALibrate:COUNt?
Calibration Message
You can use the calibration message feature to record calibration information about
your power supply. For example, you can store such information as the last calibration
date, the next calibration due date, the power supply's serial number, or even the name
and phone number of the person to contact for a new calibration.
You can record and read information in the calibration message from the remote
interface only.
• The power supply should be unsecured before sending a calibration message.
• The calibration message may contain up to 40 characters.
• The calibration message is stored in non-volatile memory, and does not change
when power has been off or after a remote interface reset.
• Remote Interface Operation:
CALibrate:STRing
<quoted string> Store the cal message
The following command string shows how to store a calibration message.
"CAL:STR 'CAL 05-1-95'"
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