TM 11-5830-263-10
LOUDSPEAKER
POWER FAULT
ON
ON
SYS
ANR
RADIO
INT
CABLE TO
OFF
OFF
CHANGE
LINES
ACCENT
OFF
CABLE
FFCS, MOS,
RADIO
LISTENING
FROM
FUNCTION
STATION
RIT & SLIP
SILENCE
PROG 3
ALL
RADIO A
RING
VIEW
STORE
PROG 2
PROG 1
SYSTEM
CABLE FROM
OFF
CABLE
SYSTEM
PROGRAM
FFCS, MOS,
FROM
RIT & SLIP
LINES
LINES
ALARMS
POWER
LOUDSPEAKER
RADIO B
RING
CABLE FROM
TWISTED-PAIR
VEHICLE PRIME
WIRES FROM FIELD
CABLE TO
POWER
TELEPHONE OR
LOUD-
OTHER MCS
CABLE FROM
SPEAKER
VEHICLE
ALARMS
Figure 1-3. Master Control Station (MCS)
1.10.2. FULL FUNCTION CREW STATION (FFCS)
The FFCS is the interface between the VIS system and a single headset. It
allows a crewmember to communicate through the intercom and/or radios
(subject to MCS programming access). It allows independent volume control as
well as selection of the transmitting mode such as Push-To-Talk (PTT), LIVE,
Voice Activated Transmission (VOX), and Override (O/R). LIVE, VOX, and O/R
are used for intercom transmission only. The vehicle or headset PTT switch must
be utilized for transmission over the radios, or for the intercom when the FFCS
WORK switch is set to INT and the INTERCOM switch is set to PTT. A
Loudspeaker (LS) may be attached to the HEADSET connector of the FFCS for
listen-only communication.
CABLE FROM
CABLE TO
FFCS, MCS,
FFCS, MCS,
MOS, OR RIT
MOS, OR RIT
HEADSET
CABLE FROM
CABLE
VEHICLE PTT
SWITCH
Figure 1-4. Full Function Crew Station (FFCS)
1-6