5520A
Operators Manual
3-14
E
Actual revision numbers replace 1.0 for each of the above.
Format NV (non-volatile) Memory should be used with caution. Changes are non-reversible. The
softkeys function only when the rear-panel CALIBRATION switch is set to ENABLE, except for the
softkey SETUP, which is not dependent on the CALIBRATION switch position.
All sets all calibration and setup constants to factory setting. CAL set only calibration constants
to factory settings. SETUP resets instrument setup to factory default settings (see Table 3-3).
TMP STD (temperature degree standard) refers to its-90 (1990 International Temperature
Standard) (factory default) and ipts-68 (1968 International Provisional Temperature Standard).
HOST selects the IEEE-488 (gpib) (factory default) parallel port or RS-232 (serial) port. You cannot
operate both IEEE-488 and RS-232 simultaneously.
F
G
H
to S to P to Hto G1
to K to Ito O
G1
nn015f.eps
Figure 3-4. SETUP Softkey Menu Displays (cont)