Vba Status; External Reference Signal Phase Lock; Service Mode - Agilent Technologies E5071C Manual

E5071C
A measurement is in progress.
Meas

4-5. VBA Status

Displays the state of the execution of the VBA program in the E5071C.
Value Description
A VBA program is currently running.
Run
A VBA program has stopped.
Stop

4-6. External Reference Signal Phase Lock

When the frequency reference signal is input to the External Reference
Signal Input Connector (Ref In) on the rear panel and the measurement
signal of the E5071C is phase-locked to the reference signal,
displayed in blue.
Value
ExtRef (displayed in
blue)
ExtRef (displayed in
gray)
Even when the High Stability Frequency Reference Output Connector
•
(Ref Oven, Option 1E5 only) and External Reference Signal Input
Connector (Ref In) are connected, phase-locking may not occur
immediately after power-on in a low-temperature environment. (The
"ExtRef" display remains gray, not blue.) In such a case, wait a few
minutes until the instrument has warmed up and the "ExtRef" display
turns blue.

4-7. Service Mode

Indicates the service mode status.
Value Description
SVC The E5071C is in one of the following mode.
(displayed in
blue)
Measurement performance will not be guaranteed according to the
specifications. If, under normal use, the system remains in the
48
Description
Measurement signal is phase-locked to the external
reference signal.
Measurement signal is not phase-locked to the external
reference signal.
• Service mode, which is used for self-diagnosis
•
8 term calibration mode
• Advanced Mode in TDR
ExtRef is