1.2 Power supply
1.2 Power supply
The device is powered by two batteries of the type LR6A (nominal voltage 1.2 . . . 1.5 V, primary cell or
rechargeable). Via the according USB cable Tango_Plus can be powered by an external source. For that
the cable has to be connected to a PC or to the public power supply via the provided adapter. The USB
access is totally separated from the internal batteries, so that the batteries are not affected, but accumula-
tors are not recharged, too. For legally binding measurements Tango_Plus has to be powered by battery,
disconnected from the public power supply.
1.2.1 Replace batteries
The battery compartment is located on the back at the bottom of the device (figure 1.1 bzw. 1.2). Follow the
instructions below to replace the batteries:
• Move up the lock of the battery compartment.
• Remove the lid.
• Remove the discharged batteries.
• Insert the new batteries paying attention to the polarity (figure 1.2)
• Switch on the device and check the battery status on the display (figure ??).
Figure 1.1: Closed battery compartment Figure 1.2: Open battery compartment
SINUS Messtechnik GmbH 7 of 30 Manual Tango_Plus
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