Getting Started
R&S
®
ZNA
43
User Manual 1178.6462.02 ─ 20
–
Yellow, flashing: the R&S
ZNA is configured for external synchronization, but
cannot lock on the external reference clock.
●
Cal.
Indicates the calibration state of the active setup.
–
Off: none of the traces (in the active setup) has a valid calibration
–
Yellow: some of the traces have a valid calibration
–
Green: all the traces have a valid calibration
●
RF Interlock
RF interlock mode is activated by “RF Off Control” BNC connector on the rear
panel of the R&S
ZNA (see
mode, RF sources are forced off.
–
If the connector is terminated (electrical short), the RF interlock mode is inac-
tive and the LED is off (see picture below)
–
If the connector is open, the RF interlock state is active and the LED is on
(red).
Figure 3-2: RF Off Control, terminated with attached Short
●
Remote
Indicates whether a remote control (RC) connection is established.
–
Off: no RC connection established
–
Green: RC connection established
●
User Defined
Persistent, user-defined state indicator. Can be set to off, green, green flashing,
red, or red flashing
3.2.1.3
Standby key
The standby toggle switch is located in the bottom left corner of the front panel.
The key serves two main purposes:
●
Toggle between standby and ready state; see
Chapter 3.1.8, "Standby and ready
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Chapter 3.1.7, "Switching the instrument on and
Instrument tour