Keyboard and Displays

Entering setpoints

Examples of possible displays are provided where appropriate throughout the manual.

If a particular function is not installed in your instrument, an appropriate message is displayed when the key corresponding to the function is pressed. For example, if no heated zone controlled by

DET B TEMP is installed, pressing DET B TEMP gives the display:

Figure 2-3

 

 

ACTUAL

SETPOINT

DET B

NOT

INSTALLED

Typical Display, a Function NOT Installed in the Instrument

Entering setpoints

To enter a setpoint value for a particular instrument function, the function is first displayed by pressing the appropriate key(s).

Once the chosen HP 5890 function is displayed, a new setpoint value can

be entered at any time by pressing appropriate keys

0

through

9

,

. , - , or possibly A , B , ON , or OFF . For a numeric value,

ENTER

is pressed to terminate the entry. Figure 2•4summarizes the two steps involved.

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