Quick Start
R&S
®
FSVA/FSV
30Operating Manual 1176.7510.02 ─ 09
After charging has been completed (LED is off), trickle charging is performed at a
reduced current. Charging is terminated by an evaluation of the battery voltage (-ΔV
procedure) and the battery temperature (dT/dt procedure). In addition, it is limited to
approximately 6 hours by a timer.
Charging should be performed at a constant ambient temperature as temperature var-
iations may cause the charger to be switched off too early.
Lithium-Ion Battery Pack and Charger (Options R&S FSV-B32/-B34)
Alternatively to the NiMH battery pack, a lithum-ion battery pack with four rechargeable
batteries is available for all R&S FSVA/FSV instruments (R&S FSV-B32). This battery
pack also requires the DC power supply adapter (option R&S FSV-B30, see Chap-
ter 2.2.1.6, "Using an Optional DC Power Supply", on page 27). To charge these bat-
teries, an additional external battery charger is available (option R&S FSV-B34).
For installation instructions see the option's installation guide.
Switching on the battery pack
1. Connect the battery pack to the R&S FSVA/FSV as described in the installation
guide.
Note: The batteries must be charged before initial use, see "Charging the Battery
Pack" on page 30.
2. Set the switch on the battery pack to "I".
3. Set the switch on the DC power supply to "I". A green LED indicates that the DC
power supply is ready for operation.
4. In the case of undervoltage, the DC power supply switches off automatically. This
state is indicated by means of a red LED and a buzzer.
5. Set the power switch on the rear panel to "I".
6. 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 off the battery pack
1. Press the ON/OFF key on the front panel and wait until the instrument has shut
down.
2. Switch off the power switch on the rear panel.
3. Switch off the DC power supply.
4. Switch off the battery pack.
Charging the Battery Pack
The battery pack is not charged in the factory. The rechargeable batteries must be
charged before they are used for the first time.
Preparing for Use
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