GENIUS INTERCOM
7 channels intercom with interrupted feedback

7 channels full/duplex and half/duplex intercom with interrupted feedback and input for external producer.
The intercom has three channels at 2 wires (for cameras) and four channels at 4 wires, to talk for examples,to an external producer, recording rooms, external o.b.van, etc...
Intercom Genius has also a second function, it sends Tally information for 4 videocameras, that are transmitted on 2 wires audio line for the cameramen beltpack terminals (optional).
Goosenek microphone with XLR connector comes supplied with the equipment.

Functions of the commands on the frontal panel:

• Volume INTERCOM: set the listening level of intercom
• Volume RETURN: set the listening level of the return
• 7 Keys for TALK selection (1-2-3-4-A-B-C)
• 7 Keys for LISTEN selection (1-2-3-4-A-B-C)
• Red Keys 1-2-3: select the channels that listen the return modulation, enable microphone and loudspeaker (disable headset with microphone), etc.

Front panel connector:

• Headset: XLR4 female

Rear panel connectors:

• Serial-wired (4 CHANNELS-4 WIRE) 1-2-3-4: 4 x SUB-DF09 female - with power supply for Beltpack. (Channel-4 and dedicated to function EXTERNAL PRODUCER)
• Parallel-wired (3 CHANNELS-2 WIRE) A-B-C: 3 x XLR3 female - Channel A is dedicated to cameramen
• Stereo Program input: SUB-DF09 female
• Tally input: SUB-DF09 male
• Power Input Connector 12 Volt: 3 pin connector locking
• Fuse 3.15 A

MENU (Red Keys)
For keys 1-3 the functions can be seen on the upward line of the display.
With key 1 the menu is changed and it can be:

A) Menu "SPEAKER" (selects the users of channels A,B and C)

• Key 3 enable microphone and loudspeaker (excludes cap with microphone)

B) Menu "RETURN"

• Key 2 selects the channel that will be enabled or not to listen the audio return
• Key 3 enable or disable the return for the channel selected with key 2.

C) Menu "EXTERNAL PRODUCER"

• Key 3 active the function EXTERN PRODUCER

TALK
The simple pressure of push-button TALK of the channel immediately puts in communication the chosen user.
Such function is confirmed from the lighting of the correspondent key.
If the loudspeaker of the panel is enabled, and the channel were in situation LISTEN, this will be disable until when it is finished from situation TALK.

Push-button TALK works in two ways:

• Instantaneous - is active when it is pressed (it only must press more than 3 second ones);
• Stable - when is pressed the first time ( less 2 seconds) enabling it and a second time disabling (does not import how much is pressed).

LISTEN
Pressing push-button LISTEN the chosen channel can be listen. This is confirmed from the lighting of correspondent key.

Push-button LISTEN works in stable way - when is pressed the first time it is enabled and the second time it is disabled (does not import how much is pressed).

FULL DUPLEX and SEMI DUPLEX
When is enabled the microphone and the loudspeaker of the front panel the equipment switches automatically in semi duplex communication mode (does not allow to be activated TALK and LISTEN at the same time).

RETURN
This function comes used in order to send one return modulation, to whichever of the 7 channels. This modulation comes interrupted whenever is communicated with one of these channels by the pressure of key TALK.

Enable/disable RETURN function:

• Select menu PRG with key 1;
• Select the channel interested with key 2;
• Enable and disable with key 3.

EXTERNAL PRODUCER
This function allows to an external director connected channel 4 to speak to the cameramen (connects you to the channel A)

Enable/disable EXTERNAL PRODUCER function:

• selects menu PRG with key 1;
• enable or disable with key 3.

Features

Microphone Preamplifier (Panel Microphone)

• Mic Input Level @ 1 kHz: -40 dBm
• Output Level (to matrix): 0 dBu, ± 0.2 dBu
• Frequency Response: 72 Hz to 6.5 kHz, ± 2 dB

Microphone Preamplifier (Headset Microphone)

• Mic Input Level @ 1 kHz: -40 dBm
• Output Level (to matrix): 0 dBu, ± 0.2 dBu
• Frequency Response: 72 Hz to 6.5 kHz, ± 2 dB

Speaker Amplifier (Panel Speaker)

• Maximum Voltage Gain: 25 dB
• Frequency Response: 400 Hz to 22 kHz, ± 2 dB
• Output Power (for amplifier): 2 watts into 8 ohms
• Output Voltage Level: 12 volts peak-to-peak (max.)
• Volume Control Range: 70 dB
• Speaker Rating: 2 watts max

Headphone Amplifier

• Maximum Voltage Gain: 10 dB
• Frequency Response: 100 Hz to 10 kHz, ± 2 dB
• Headphone lmpedance: 8 to 600 ohms
• Output Power: 300 mW into 50 ohms
• Output Voltage Level: 5 volts peak-to-peak (max.)

Input/Output

4 WIRES (Serial-wired)

• Input: Nominal 0 dBu transformer balanced
• Output: 0 dBu, ± 2 dBu nominal transformer balanced
• Power for Beltpack: +12 VDC, unregulated, Output Current 0.5 A (for 1 Channel)
• Line Impedance: 600 ohm
• Line Level: -12 dBu up to +6dBu maximum
• S/N ratio: 60 dB (A)
• Wire type: 6 conductors twisted
  Maximal wire length between Intercom unit and Beltpack: 100m

2 WIRES (Parallel-wired)

• Input: Nominal: -5 dBu
• Output: 0 dBu nominal
• Power for Beltpack: Intercom Line +10 VDC, short circuit protected, Output Current 0.3 A (for 1 Channel)
• Line Impedance: 600 ohm
• S/N ratio: 50 dB (A)
• Wire type: 3 conductors twisted with shield
  Max. Beltpack connection for channel A: 4 units
  Max. Beltpack connection for channel B: 6 units
  Max. Beltpack connection for channel C: 4 units
  Maximal wire length between Intercom unit and last Beltpack: 100m

Power Supply

• DC Supply: 12 V
• Input Current 3A (with max audio power, without beltpack)

Environmental

• Storage: -40°C to +60°C
• Operating: -10°C to +41 °C
• Dimensions: 19" wide x 1 RU x 7" (178 mm) deep

In accordance with constant improvement policy of products, El.Man (Elettronica Mangione) reserves the right to modify without notice and at any time, features and prices of its own apparatus.