Loading Default Setpoints - HP 5890 Series II Plus Reference Manual

Keyboard and Displays

Loading default setpoints

With the keyboard locked, Figure 2•6shows the display occurring if a
setpoint entry is attempted:
Figure 2-6
KEYBOARD LOCKED Message Display
If the HP 5890 keyboard is locked while the instrument is under INET
control, a setpoint file may be loaded into HP 5890 memory from the
controller, but the loaded setpoints cannot then be edited at the HP 5890
keyboard until it is unlocked.
After locking or unlocking the keyboard, return to operation by pressing
any function key (e.g.,
Loading default setpoints
This function permits resetting HP 5890 operating setpoints to a
standard set of values. Only the following information is retained:
Calibration constants for oven temperature control
All gas flow rate monitoring information (gas types and calibration
constants)
Column compensation data, including detector assignments
Note: Since user•definedsetpoints are lost in the process, any critical
HP 5890 setpoints should be recorded for later reentry before proceeding.
Through the keyboard, select CALIB AND TEST mode, function 6:
KEYBOARD LOCKED
OVEN TEMP
CLEAR
ACTUAL SETPOINT
).
.
6
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