Scope of Functionality
16 ACU6100 DV64440.03 Issue 09 November 2019
1.5 Scope of Functionality
• The ACU6100 is a single block device made for operation in the operator console of fixed
wing and rotary wing aircraft.
• All controls and indicators are on the front panel. The equipment connectors are at the
rear side of the device.
• The dimensions agree with the ARINC 601 standard dimensions for control devices.
• Installation with four DZUS fasteners.
• The labels of the key caps, rotary switch, and increment sensor are in white translucent
characters.
• The Illumination is available in different colors see "Variants Overview" page 13.
Control Elements
• 1 rotary switch (10 positions), to select the active transceiver, the public address or
intercom mode. Also, to select dual or multi transmission mode if available (depends on
variant).
• 1 switch (lockable) for selection of the operation mode:
o Normal operation.
o Emergency operation (back-up operation).
o Slaved operation (depends on variant).
• 1 toggle switch for PTT and IC operation (depends on variant).
• 1 double rotary knob to set the individual main volume (outer rotary knob) and the
individual IC volume (inner rotary knob).
• 1 VOX rotary knob to set VOX function on/off and to set the individual VOX-threshold
level.
• 8 push knobs with potentiometer function to set the transceiver monitoring on/off and for
individual channel volume control.
• 8 push knobs with potentiometer function to set the receiver monitoring on/off and for
individual channel volume control.
• 1 VOICE key with LED to set the ident filter on/off.
• 1 TEST key with yellow LED to start the IBIT (depends on variant).
• 1 MKR/MUTE key to start the marker mute function (depends on variant).
• 1 SPKR key with LED to set the speaker on/off.
• 1 ISOL /CALL key with LED to control the intercom functions between cockpit and cabin.
In/Outputs
• Control of up to 8 transceivers or 7 transceivers plus one public address (PA) amplifier.
• Indication of transmission via status lights.
• Monitoring of up to 8 transceivers with a capability of individual volume control.
• Monitoring of up to 8 receivers with a capability of individual volume control.
• Monitoring of up to 6 fixed inputs.
• Main volume control.
Intercom Function
• 2 intercom circuits for cockpit and cabin communication.
• Function to connect or disconnect (isolate) the intercom circuits.
• Aircraft intercommunication in VOX or PTT-controlled mode.
• Optical call indication for intercom request plus acoustical call alert.
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