HP 8340B Manual page 269

Front Panel
-
Rear Panel
Introduction
The front
panel
—
rear panel functional group contains the user interface to the instrument via the
keyboards, displays, and external connections.
The front panel contains the keyboards and displays,
with
a
dedicated display processor to
update
and refresh the
displays.
The keyboards
communicate
directly with the instrument
processor for normal operation and troubleshooting.
ASSEMBLIES
The
front panel
—
rear panel functional group consists of six assemblies.
A1
alpha display assembly
A2
display driver assembly
A3 display processor
assembly
A5 keyboard assembly
A6 keyboard
interface assembly
A7
lower keyboard assembly
HP 8340B/41B
Front Panel
-
Rear Panel Introduction G-l