thomann The Box Pro A 218 LA, User Manual, Page: 18 / 36

This LED lights up when the user setting is loaded. This setting corresponds to the user preset no. 1 of the
DSP. In delivered condition, the user setting is identical to the setting STANDARD. If you want to change it,
you must connect the element to a PC, edit the parameters using the Pronet software, and save the setting
to user memory preset no. 1.
9 LED SIGN/LIMIT
This LED lights green when an input signal is present.
This LED lights red when the internal output signal is limited (due to excessive input signal level!).
10 LED PROT
This LED lights red when the protection circuit of the amplifier module responds due to an internal error and the
amplifier is therefore muted.
This LED lights red when the internal output signal is limited (due to excessive input signal level!).
11 LED ON
This LED lights green when the unit is turned on and the power supply voltage is present.
Connections and operating elements
active subwoofer
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