ASL INTERCOM PS 4379 Manual de usuario Pagina 3

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gooseneck microphone is disabled. When the unit is connected to an other unit using a link cable and
this unit is the slave the gooseneck microphone is also disabled.
Headset Connector
The headset connector is for connecting a 4 pins XLR headset.
LED’s
Channel on/off LED
The channel LED indicates whether the channel is on or off. When the channel is off, no audio of that
channel is send to the speaker or headset, nor is it possible to use the TALK or CALL button. When
the channel is off and the call receive dip switch is off, no calls are received. When the channel is on or
the call receive dip switch is on or both, calls are received and indicated with the call led and the
buzzer.
Slave LED
The Slave LED illuminates when the channel is in slave mode. This means that the power is supplied
by another station on that channel and that the intercom line impedance is off. In slave mode the
corresponding mic mute button and buzzer mute button are disabled.
Overload LED
If the overload LED is blinking the corresponding channel is reaching an overload (2 amp’s).
When the limit of the power-supply is reached (5 Amp’s in total) all overload LEDs will be flashing. If
the overload exceeds the 5 Amps then all channels are switched off for 5 seconds. Afterwards power
will be restored one channel at a time with intervals of 1second. If a short circuit is detected during this
sequence the unit will keep the intercom channel in overload.
On LED
When the On LED is lit the power-supply of the corresponding channel is working. If the On LED is off and the
Slave LED is lit, the channel is functioning as a slave and the power is supplied by another unit.
Modes
IFB
This mode is used as one way, 1 to 1 communication, e.g. director to talent.
Normally the talent only listens to the AUX signal, when the director (PS-6379) interrupts the signal the
AUX volume will be dimmed to 50% of the current setting and the mic signal (gooseneck or headset) is
added to the intercom line.
NEAR STATION FUNCTION
Multiple PS 6379 or PS 4379 station that are in the same room can be linked as “near station”.
This will result in the dimming of listen levels when a near station is talking on the lines that your
station is listening.
Example: 3 stations are mounted in a directors room, station A, B and C. All stations have the same 6
channels available for listen and talk. When station A talks to channel 1 then on stations B and C the
listen level of channel 1 will be reduced to prevent system feedback. This will only happen if the
speaker stations have SPEAKER ON mode (not headsets) and if they are listening to channel 1.
LINK MODE
If two or more stations are linked to form one station of 10 or more channels then the units need to be
linked for proper functioning.
In this mode only 1 station will be the master and have an active speaker and gooseneck/electret
microphone. The speakers and gooseneck/electret microphones of the other units will be switched off.
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