HP (Hewlett-Packard) 8360 ユーザーズマニュアル

If an HP-IB error message is displayed verify that the interface
connections are correct. Check the HP-IB address of the power
meter and ensure that it is the same address the synthesizer is
using (address 13 is assumed). Refer to the menu map 8, System,
for the key sequence necessary to reach 

 Meter 

 .

9. When the operation is complete, (a message is displayed)

disconnect the power meter/sensor. The synthesizer has stored
the compensation information in its memory and is using it to
calibrate the detector’s output voltage relative to power.