Quick Start
R&S
®
ESR
44
User Manual 1175.7068.02 ─ 12
Switching the DC power supply on
1. Connect the R&S
ESR DC power supply device to the DC power source (e.g. bat-
tery pack or vehicle) as described in the option's installation guide.
2. Set the switch on the DC power supply to "I". A green LED indicates that the DC
power supply is ready for operation.
3. In case of overvoltage or undervoltage, the DC power supply switches off automati-
cally. This state is indicated by means of a red LED.
4. Set the power switch on the rear panel to "I".
5. Press the [ON/OFF] key on the front panel. A green LED above the [ON/OFF] key
indicates that the instrument is ready for operation.
Switching the DC power supply off
1. Press the [ON/OFF] key on the front panel of the R&S
ESR and wait until the
instrument has shut down.
2. Switch off the power switch on the rear panel of the R&S
ESR.
3. Switch off the DC power supply.
3.2.1.7
Switching the Instrument On and Off
Switching the instrument on
If an optional DC power supply (R&S
FSV-B30) is used, you must switch on these
devices first; see
Chapter 3.2.1.6, "Using an Optional DC Power Supply"
1. Press the AC power switch on the rear panel to position "I".
The instrument is supplied with AC power.
2. Press the [ON/OFF] key on the front panel.
After booting, the instrument is ready for operation. A green LED above the [ON/
OFF] key indicates this.
Warm-up time for OCXO
When the instrument is switched on, the OCXO requires an extended warm-up time
(see data sheet).
Switching the instrument off
1. Press the [ON/OFF] key on the front panel.
2. Change the AC power switch on the rear panel to position "O", or disconnect the
instrument from the AC power supply.
The R&S
ESR changes into off mode.
Preparing for Use
