Agilent Technologies 8719D, User Manual

Page: 284 / 673

Entry Block Keys
The entry block, illustrated in 6-4, includes the numeric and units keypad, the knob,
and the step keys. You can use these in combination with other front panel keys and
for the following reasons:
n
to modify the active entry
n
to enter or change numeric data
n
to change the value of the active marker
n
to turn off the menu
Generally, the keypad, knob, and step keys can be used interchangeably.
Before you can modify a function, you must activate the particular function by pressing the
corresponding front panel key or Then you can modify the value directly with the
knob, the step keys, or the digits keys and a terminator.
If no other functions are activated, the knob
moves
the active marker.
Figure 6-4. Entry Block
Units
The units terminator keys are the four keys in the right column of the keypad. You must
use these keys to specify units of numerical entries from the keypad. A numerical entry is
incomplete until a terminator is supplied. The analyzer indicates that an input is incomplete
by a data entry arrow pointing at the last entered diit in the active entry area. When you
press the units terminator key, the arrow is replaced by the units you selected. The are
abbreviated on the terminator keys as follows:
basic degrees, seconds, Hz, or (may be used to terminate
entries such as averaging factor)
Application and Operation Concepts