Agilent Technologies 89410A Service Manual page 6

Notation Conventions
Before you use this book, it is important to understand the types of keys on
the front panel of the analyzer and how they are denoted in this book.
Hardkeys
Softkeys
Toggle Softkeys
Shift Functions
vi
Hardkeys are front-panel buttons whose functions are always the
same. Hardkeys have a label printed directly on the key. In this book,
they are printed like this: [
Softkeys are keys whose functions change with the analyzer's current
menu selection. A softkey's function is indicated by a video label to
the left of the key (at the edge of the analyzer's screen). In this book,
softkeys are printed like this: [
Some softkeys toggle through multiple settings for a parameter.
Toggle softkeys have a word highlighted (of a different color) in their
label. Repeated presses of a toggle softkey changes which word is
highlighted with each press of the softkey. In this book, toggle softkey
presses are shown with the requested toggle state in bold type as
follows:
"Press [ key name on ]" means "press the softkey [
selection on is active."
In addition to their normal labels, keys with blue lettering also have a
shift function. This is similar to shift keys on a pocket calculator or
the shift function on a typewriter or computer keyboard. Using a
shift function is a two-step process. First, press the blue [
(at this point, the message "shift" appears on the display). Then press
the key with the shift function you want to enable. Shift function are
printed as two key presses, like this:
[ ] [ ]
Shift Shift Function
].
Hardkey
softkey ].
key name ] until the
] key
Shift