HP QMS 1660 - Manual (Page 274)

Non-volatile
Memory
QMS 1660 Print System Reference G-10
Non-volatile Memory
This type of memory is not lost when the printer loses power.
Null Modem Cable
A type of cable used for serial communication. This cable arranges the
communication between two devices.
NV RAM
This protected form of RAM is used to store information such as your
printer’s configuration menu. Configuration options you have chosen, such
as emulations, memory settings, and input bins, are saved to this non-
volatile RAM. This informaiton is not lost when you turn off your printer.
Off Line
Not accepting data from the computer. The printer is taken off line by
pressing the Online/Offline key. When the Online indicator is off, the printer
is off line. The printer must be off line to enter the Configuration menu.
On Line
Accepting data from the computer. The printer is on line when the Online/
Offline key is pressed and the Online indicator is on.
Online/Offline Key
The control panel key used to take the printer off line and put it back on line.
Orientation
The direction of print on the page. Printing across the narrow width of a
page is called portrait orientation printing. The word “portrait” comes from
portraits of people, which are usually vertical in format. Printing across the
length of a page is called landscape orientation printing. The term “land-
scape” is derived from pictures of the landscape, which are usually hori-
zontal in format.
Page Description Language (PDL)
A programming language, such as PostScript, that is used to describe
output to a printer or a computer monitor.
Page Memory
A special buffer large enough to hold an entire page of data.