Switching On or Off the Instrument
R&S
®
ETL
43Getting Started 2118.4130.02 ─ 04
Prerequisites:
●
The R&S ETL is in operation.
●
The R&S ETL is connected to the AC power supply.
●
The AC power switch on the rear panel is in position I.
●
The shutdown behavior is configured accordingly using the [SETUP] key.
For details, refer to the user manual or the help.
► Press the [ON/STANDBY] key on the front panel.
The R&S ETL stores the current settings on its SSD and switches to standby (for
details on standby, refer to Chapter 7.1, "Instrument States", on page 41).
Shock hazard
Be aware that in standby, the R&S ETL is still power-supplied.
7.3.2 Switching Off
DC power supply/battery pack
► Press the [ON/STANDBY] key on the front panel. The R&S ETL changes into off
state.
AC power supply
Prerequisite: The shutdown behavior is configured accordingly using the [SETUP] key.
For details, refer to the user manual or the help.
1. Press the [ON/STANDBY] key on the front panel.
2. Change the AC power switch on the rear panel to position O, or disconnect the
R&S ETL from the AC power supply.
The R&S ETL changes into off state, if no alternative power supply is available.
The AC power switch also interrupts the power supply of the OCXO (OCXO Reference
Frequency option, R&S FSL-B4). When you switch the R&S ETL back on, be sure to
comply with the extended warm-up phase specified in the data sheet.
7.4 Behavior of the ON/STANDBY Key
Depending on the used power supply, the [ON/STANDBY] key on the front panel leads
to different states (see also Chapter 7.1, "Instrument States", on page 41). For details
Behavior of the ON/STANDBY Key
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