Compaq 1610 Reference Manual page 10

Some or all of the following format conventions may be used in
this guide to distinguish elements of text:
Names of keys are shown in bold type as they appear on the
keyboard, for example,
Keys that you should press at the same time are represented
by the key names and the plus (+) symbol, for example,
Commands are presented in lowercase, bold type as shown
here:
An arrow is used to separate icons or menu options that you
should select in succession; for example, tap
Start Settings Control Panel.
When you need to type information without pressing the
key, you are directed to "type" the information.
When you need to type information and press the
you are directed to "enter" the information.
!
information or specific instructions.
Text set off in this manner presents commentary,
sidelights, or interesting points of information.
Before You Begin
NEL
or
Text set off in this manner presents clarifying
key,