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Chapter 2 Operating Your Frequency Counter
Using the Menu
2-44 Operating Guide
2
VVV is the version number of the Counter’s firmware, and XX, YYY, and
ZZZZ are other numerical codes that are reserved for Agilent internal use.
The flashing annunciators at either end of the first line of the display
indicate that you can use the equivalent arrow key to scroll left and/or
right to the next field of information.
The option-code display lists the code number for each of the installed
options. For example, in a Counter that has the Battery and Oven
Timebase options installed, the display would show: <OPTNS 1-2- - ->.