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4 EXTERNAL DESCRIPTION
4.1 Front Panel
The front panel informs the user about operating status, alarm conditions and measurements. Front panel shown
below consists of two parts:
1.
The ON/OFF button: enables the user to turn ON/OFF the UPS.
2.
The LINE/BATTERY led: this led (blue color) is always on during the functioning in Normal Mode, it flashes
one time every 4 seconds in Battery mode and it flashes one time every second in Low Battery condition.
UPS ERA PLUS 750-900-1.100-1.500
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Figure 1 – Front panel
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User's manual
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