APC S15 Operations Instructions download pdf (Page 18)

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LINE OK Status Indicator

When lit, input voltage from the utility is within acceptable range.

If not lit, the Automatic Voltage Regulation circuit is active. If not

lit, the Automatic Voltage Regulation circuit is correcting high or

low voltage levels to maintain safe voltage conditions for

connected components, or the unit is operating on battery power

due to a blackout or extreme voltage level conditions.

FILTERING Status Indicator

When lit, notifies the user when the Electromagnetic

Interference/Radio Frequency Interference (EMI/RFI) noise

reduction circuit is active.

OVERLOAD Status Indicator

When lit (red) the unit is overloaded; unplug equipment connected

to the unit until the indicator is no longer lit.

Down Arrow Push Button

Is used to change parameters (decrease or turn off) for various

user-selectable settings such as: Audible Alarms, Sensitivity,

Display Dimmer, LED Dimmer, Go To Bat If, Outlet 1 & 2

Delay (in seconds), Low Bat Warning, Bat Rep Date, etc.

On/Off Switch

Controls power to all 12 outlets. APC recommends the unit be left

‘on’ at all times. Control power to your system and components

using their own controls as you normally would.

SETUP Push Button

This push button is used to advance the display through the various

user-selectable set up functions provided by the unit such as:

Audible Alarms, Sensitivity, Display Dimmer, LED Dimmer,

Go To Bat If, Outlet 1 & 2 Delay (in seconds), Low Bat

Warning, Bat Rep Date, etc.

REGULATING Status Indicator

When lit (blue), indicates Automatic Voltage Regulation (AVR) is

engaged to correct low or high voltage conditions.

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APC S15 Operations Instructions Page 18