LD IPA 412 T, User Manual, Page: 9 / 28

9
DEUTSCH
ENGLISH
15 FAULT 1-2 UND FAULT 3-4
Fault relay for transmitting the device operating state to a connected monitoring or redundancy system.
FAULT 1-2: If the device is switched off, in standby mode or the protection circuit of one of the two speaker channels 1 and 2 is active, contact
NC
is
closed to
C
and contact
NO
is opened to
C
. In normal operation, the
NC
contact is open and the
NO
contact is closed.
FAULT 3-4: If the device is switched off, in standby mode or the protection circuit of one of the two speaker channels 3 and 4 is active, contact
NC
is
closed to
C
and contact
NO
is opened to
C
. In normal operation, the
NC
contact is open and the
NO
contact is closed.
16 EXPANSION SLOTS
Slot for future optional expansion cards:
- An Ethernet expansion card that provides access to all internal DSP settings and the analog input gain and increases the input
dynamic range to 10dB
- An Et Dante expansion card with the same functionality as the Ethernet expansion card plus Dante connectivity
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
2 3 4
DIP ON
1 2 3 4
DIP
ON
1 2 3 4
DIP ON
1 2 3 4
DIP
19 19
20 20 20 20
19 19
17
18
21 21
17 STANDBY BUTTON
The amplifier can be set into standby mode using the standby button (short press of the button); the speaker outputs are muted. To end standby
mode and restore normal operation, briefly press the button again. If standby mode was manually activated by pressing the standby button, the
amplifier's standby mode cannot be ended with the automatic standby function, even if there is an audio signal.
18 STANDBY LED
Two-colour LED to indicate the operating status. The LED is white when the device is operational and red in standby mode.