8163A/B, 8164A/B, 8166A/B User’s Guide 273
Applications 10
On-Screen Messages
The messages listed in the table below may appear at the top of the screen
during the Logging application.
Table 16 Logging Application On-Screen Messages
Keysight 8163A/B
Message
Keysight 8164A/B
Message
Description
OvR Overrange One of the Power Meter channels has reported an
overrange. The over-ranged value is clipped,
statistical data is invalid.
NoH No Head There is an Optical Head Interface module inserted in
the mainframe that does not have an Optical Head
connected to it. No measurement is possible using this
channel until you either:
reconnect an Optical Head or
deselect this Optical Head channel as a power
measurement channel.
NoD No Data No data has been measured or measurement is not yet
finished. You cannot access the Analysis Screen yet.
Printout and file operations are not yet possible.