4-8
4 Front Panel Overview
575 Front Panel
Display Layout and Indicators
A 4 line x 20 character vacuum fluorescent display module displays parameters
and status information. The status information is located in the upper-left corner
of the display, between the two brackets. There are four enunciators:
↕
A vertical arrow indicates there are additional pages
to the current menu.
☼
An alternating hollow and then solid circle indicates
the unit is actively generating pulses, or armed and
waiting for an external trigger.
♪
A musical note indicates the function key has been
pressed.
?
In external oscillator operation, a question mark
indicates the internal pll is not yet locked with the
external clock signal.
The upper-right side of the display contains the title of the currently displayed
menu. The rest of the display is used for system parameters. The display
brightness may be adjusted, allowing the instrument to be used under various
lighting conditions.
Description of Front-Panel Area
Keypads
Three keypad areas provide fast access to various menus and easy editing of
system parameters.
Channel Keypad
Provides one touch access to the menus for setting
up the channel parameters. Pressing the appropriate
letter will display the parameters for the
corresponding channel. Example: Pressing the
A
key
will access the Channel A menus.
Arrow Keypad
The up (
UP
) and down (
DOWN
) arrow keys are used
to increment/decrement the current parameter
(indicated by the blinking cursor). The position of the
cursor controls the step size for each increment. The