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The interfaces are mutually exclusive. There is no
provision for simultaneous
operation of RS232
and USB.
5.7 Operation
Once you have connected the UPS to a suitable mains
connection, you can start operation using the UPS main
switch.
Switching ON and OFF:
To switch on, press the main
switch on the front of the UPS
(chapter 4.3 / no. 1 / pg.19).
You must be able to feel this
engage in its 2nd position.
Press the main switch again
to switch off the UPS.
Normally, the UPS operates continuously. The UPS now
supplies the output with voltage, this being signalled by the
green “Normal” LED which lights up permanently (chapter 4.3
/ no. 2 / pg. 19).
5.7.1 Normal Operation
During normal operation, i.e. when mains voltage is available,
the built-in battery charger keeps the battery fully charged and
the mains voltage monitoring system switches the inverter to
standby mode.