R&S DVMS1, Начало работы, Страница: 21 / 60

Interfaces and Connectors
R&S
®
DVMS1
15 Getting Started 2113.7619.02 ─ 12
Figure 3-2: Rear panel view (example)
3.2.1 AC Power Supply Connector
The AC power supply connector and the AC power switch are combined.
Switch positions:
●
[I]: Depending on the setting of the On/Standby function key on the front panel, the
instrument is either in standby mode or in operation.
●
[O]: The entire instrument is disconnected from the AC power supply.
Further information:
●
Chapter 4.1, "Connecting to the AC Power Supply" , on page 26
●
Chapter 5, "Switching On or Off the Instrument" , on page 28
●
Chapter 9.2, "Replacing the Fuses" , on page 51
3.2.2 10 MHz REF IN
This BNC jack is used as input for the 10 MHz reference frequency. The reference fre-
quency input of the R&S DVMS is used for high accuracy measurements such as RF
frequency offset, TS bit rate or PCR drift/offset. To activate this input, use the "Setup"
menu.
For details, refer to the user manual or help system.
Rear Panel