HP 85422E, Руководство пользователя

Страница: 22 / 229

Step K eys
The step keys allow discrete increases or decreases of the active
function value . The step size depends upon the measurement range or
on a preset amount. Each press results in a single step change . F or
those parameters with xed values , the next value in a sequence is
selected each time a step key is pressed. Changes are consistant and
can be set for some functions . Out-of-range values or out-of-sequence
values will not occur when using these keys .
HOLD K ey
The HOLD key deactivates functions . This key is designated as either
the 4 (ENTER) 5 key in the data entry area on the receiver front panel
or as a softkey in the 4 DISPLA Y 5 menu. The active function readout is
blanked, indicating no entry will be made inadvertently when using
the knob , step keys , or numeric keypad. Pressing a function key
reenables the data controls .
Rear-P anel F eatures
Figure 1-3. Rear-P anel F eature Overview
The following section provides a brief description of rear-panel
features . Refer to Figure 1-3.
Getting Started 1-7