Probe USB – Device USB - Host
Figure 2.3b: Right side of LB 134 with connections
Operating voltage The device can either be operated via power supply unit
(PSU) (6 V), via rechargeable batteries (4x Mignon 1.2 V) or
via batteries (4x Mignon 1.5V), located at the bottom of the de-
vice (see Figure 2.4). If the PSU is connected, the operating
voltage is supplied through the line voltage and the rechargea-
ble batteries can be charged. The charging process starts au-
tomatically. During charging, the device is mains powered.
If the LB 134 is connected directly to mains or to the charg-
ing station, the unit turns on automatically.
Battery compartment cover Contacts wall holder
Figure 2.4: LB 134 (rear view)
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