Keysight Technologies PXA N9030A Getting Started Manual page 30

Front and Rear Panel Features
Front-Panel Features
Some menu keys have multiple choices on their label, such as On/Off,
Auto/Man, or Log/Lin (as shown above). The different choices are selected by
pressing the key multiple times. For example, the Auto/Man type of key. To
select the function, press the menu key and notice that Auto is underlined and
the key becomes highlighted. To change the function to manual, press the key
again so that Man is underlined. If there are more than two settings on the key,
keep pressing it until the desired selection is underlined.
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