Display Control - Agilent Technologies 3458A Repair Manual

Display Control

Clearing the Display
Display Editing
Viewing Long Displays
will be numeric, alpha, or a combination of alpha and numeric. Refer to the
QFORMAT command, in Chapter 6, for more information.
The shifted Clear key, the Back Space key, and the Display/Window keys
(left and right arrow keys) allow you to control the display.
Whenever you want to clear information (such as a query response) from the
display.
Press:
Clear
Back
Space
The Back Space key allows you to edit parts of a command string while
entering the string or when the string is recalled (discussed later), For alpha
parameters or command headers, pressing the Back Space key once erases
the entire parameter or header. For commas, spaces, and numeric parameters,
only one character is erased each time you press Back Space. For example,
Press:
0
1
N Rdge/
Trig
The display shows:
By pressing the Back Space key once, the entire second parameter (LINE)
is erased. The display shows:
Now by pressing Back Space once, the comma is erased. Pressing Back
Space two more times erases both numeric characters (10). At this point, you
can reenter the first parameter using the numeric keypad and the second
parameter using the Menu Scroll keys. Press the Enter key to execute the
edited command.
When entering commands containing more than 16 characters, the previously
entered characters are scrolled off the left side of the display to make room
for those being entered. The Display/Window keys (left and right arrow
keys) allow you to view the entire line by scrolling it left or right. The
Display/Window keys can also be used to view long strings such as error
messages, the calibration string (CALSTR? command), and user-defined key
definitions (discussed later). For example.
Press:
1 0
N Rgds/
Trig
0 0 0
Chapter 2 Operating Information
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