HP 83487A User Manual page 35

Key Path
Current Date
Current Frame
∆Temp
Channel 1
Calibration
Status
• The mainframe has cycled power.
• The plug-in has been repaired, reprogrammed, or removed from the
• The instrument's operating temperature has changed and remains more than
Cal status
The Cal status function displays a screen similar to
Channel, Calibrate, Cal Status
Figure 2-3. A typical Cal Status display.
This is the current date and time. You can compare this to the last plug-in
module calibration time to see how long it has been since calibration was per-
formed.
This is the temperature change on the inside of the instrument since the last
mainframe calibration was performed. The number indicates how many
degrees warmer or cooler the mainframe is compared to the last calibration.
The instrument displays Calibrated or Uncalibrated, depending on
whether the last plug-in module calibration is still valid. A calibration can be
invalidated if:
mainframe.
5°C from the temperature at which the Plug-in calibration was performed.
Uncalibrated indicates the plug-in module vertical calibration is invalid.
Channel Setup Menu
Calibrate
Figure 2-3.
2-13